Fire Inspection & Code Enforcement Study Quiz 20

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Fire Inspection & Code Enforcement Study Quiz 20 - Quiz

Study Guide questions for fire inspector quiz


Questions and Answers
  • 1. 

    Procedures in various jurisdications may differ due to differences in the code enforcement each has adopted.  These procedures should be:

    • A.

      Restricted to a single typed page

    • B.

      Designed to promote appeals

    • C.

      In detailed, written form

    • D.

      Developed in a way that can be easily changed

    • E.

      Maintained under strict security

    Correct Answer
    C. In detailed, written form
    Explanation
    Procedures in various jurisdictions may differ due to differences in the code enforcement each has adopted. It is important for these procedures to be in detailed, written form to ensure clarity and consistency in their implementation. Having the procedures documented in detail helps to avoid any confusion or ambiguity, and provides a clear reference for all parties involved. This also allows for easier communication and understanding between different individuals or departments. Additionally, having the procedures in written form makes it easier to review and update them as needed, ensuring that they remain current and effective.

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  • 2. 

    DIRECTIONS:  Select the correct answer from the list below, then choose the answer from A-E which corresponds to your selection.  The item on the following list that need NOT be recorded on an inspection report is: 1.  the name and address of the business 2.  the date of inspection 3.  the names of inspector(s), business or property owner(s), and individual with the inspector 4.  a list of violation(s) and applicable code reference 5.  detailed building plans

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    • E.

      5

    Correct Answer
    E. 5
    Explanation
    The correct answer is 5 because detailed building plans are not typically recorded on an inspection report. The purpose of an inspection report is to document the conditions and findings during an inspection, such as violations and code references, rather than providing detailed building plans. The other options, such as the name and address of the business, the date of inspection, and the names of the individuals involved, are commonly recorded on an inspection report to provide necessary information and documentation.

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  • 3. 

    An inspector report would be of little value if it DID NOT contain the:

    • A.

      Home address and phone number of the inspector

    • B.

      Complete floor plans

    • C.

      Name and address of the business

    • D.

      Department's ability to handle a fire

    Correct Answer
    C. Name and address of the business
    Explanation
    An inspector report would be of little value if it did not contain the name and address of the business. This information is crucial as it helps identify the specific business being inspected. Without this information, the report would lack important context and could potentially be confusing or misleading. The name and address of the business allows for easy reference and ensures that the report is associated with the correct establishment.

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  • 4. 

    Before making an inspection, you should review _____ to become familiar with a particular site.

    • A.

      Existing records

    • B.

      A street map

    • C.

      The fire reports

    • D.

      Insurance records

    Correct Answer
    A. Existing records
    Explanation
    Before making an inspection, reviewing existing records would be beneficial in order to become familiar with a particular site. Existing records could include information about the history, previous inspections, maintenance records, and any potential issues or hazards associated with the site. By reviewing these records, one can gain valuable insights and knowledge about the site, which can help in conducting a thorough and informed inspection.

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  • 5. 

    It is generally considered most reliable to catalog fire prevention files by:

    • A.

      Business name

    • B.

      Occupancy classification

    • C.

      Occupancy name

    • D.

      Street address

    Correct Answer
    D. Street address
    Explanation
    The most reliable way to catalog fire prevention files is by using the street address. This is because the street address provides a specific and unique identifier for each location, making it easier to locate and retrieve the necessary files. Business names, occupancy classifications, and occupancy names may vary or change over time, but the street address remains constant and allows for accurate organization and referencing of the files.

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  • 6. 

    The purpose(s) of the inspection form is to:

    • A.

      Provide documentation that an inspection took place

    • B.

      Document any violations that have been found

    • C.

      Provide documentation that violations were corrected on return visits

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The inspection form serves multiple purposes. Firstly, it provides documentation that an inspection has taken place, ensuring that there is a record of the inspection being conducted. Secondly, it is used to document any violations that have been found during the inspection, allowing for a clear record of any non-compliance issues. Lastly, the form also serves to provide documentation that violations were corrected on return visits, ensuring that there is evidence of any necessary corrective actions being taken. Therefore, the correct answer is "all of the above."

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  • 7. 

    ________ are a way of staying aware of changes in use or hazardous conditions.

    • A.

      Surveys

    • B.

      Permits

    • C.

      Self inspections

    • D.

      Fire reports

    Correct Answer
    B. Permits
    Explanation
    Permits are a way of staying aware of changes in use or hazardous conditions. Permits are typically required for certain activities or changes in a facility or property, such as construction, renovations, or hazardous material storage. By obtaining permits, individuals or organizations are required to comply with specific regulations and safety standards. This helps to ensure that any potential risks or hazards are identified and addressed, promoting a safer environment for everyone involved.

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  • 8. 

    When making application for a permit, additional documentation may be required for submittal.  Which of the following WOULD NOT be documentation required for a permit?

    • A.

      Material Safety Data Sheets (MSDS)

    • B.

      Hazardous materials storage manifest

    • C.

      Shop drawings

    • D.

      Construction documents

    Correct Answer
    B. Hazardous materials storage manifest
    Explanation
    A hazardous materials storage manifest would not be required for a permit because it is a document that is typically used to track the storage and transportation of hazardous materials. It is not directly related to the application process for a permit. The other options, such as Material Safety Data Sheets (MSDS), shop drawings, and construction documents, are commonly required as documentation for permit applications as they provide important information about the materials, design, and construction plans.

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  • 9. 

    On a site plan, the north directional symbol USUALLY points toward the:

    • A.

      Magnetic North Pole

    • B.

      Right side of the page

    • C.

      Top of the page

    • D.

      True North Pole

    Correct Answer
    C. Top of the page
    Explanation
    The north directional symbol on a site plan usually points towards the top of the page. This is because site plans are typically oriented with the top of the page representing the northern direction. It helps users to understand the layout and orientation of the site in relation to the cardinal directions.

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  • 10. 

    Construction drawings are used to indicate all of the following EXCEPT

    • A.

      Egress systems

    • B.

      Building size

    • C.

      Occupant load

    • D.

      Fire suppression capabilities

    • E.

      Method of construction

    Correct Answer
    D. Fire suppression capabilities
    Explanation
    Construction drawings are detailed plans that provide information about various aspects of a building project. They typically include information about egress systems, building size, occupant load, and the method of construction. However, fire suppression capabilities are not typically indicated on construction drawings. This information is usually included in separate fire protection plans or systems. Therefore, fire suppression capabilities are the only option that is not indicated on construction drawings.

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  • 11. 

    The following are all elements of what type of plan? location of hydrants and water mains slopes or grades affecting placement of ground ladders grades on roadways affecting placemnt of fire department apparatus actual location of fire department connections

    • A.

      Elevated view

    • B.

      Plan view

    • C.

      Floor

    • D.

      Site

    • E.

      Distribution

    Correct Answer
    D. Site
    Explanation
    The correct answer is "site". The elements listed in the question all pertain to the physical location or site of a building or structure. These elements are important for planning and strategizing firefighting operations at a specific site, such as determining the location of hydrants and water mains for water supply, considering slopes or grades for ladder placement, and assessing road grades for the positioning of fire department apparatus. The actual location of fire department connections is also a crucial element in planning firefighting operations at a site.

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  • 12. 

    The obvious advantage of establishing a plans review process is that it:

    • A.

      Allows the inspector to spend more time in the office

    • B.

      Creates an additional opportunity for training and fire inspection

    • C.

      Enables the reviewer to point out discrepancies before construction begins

    • D.

      Increases the need for fire suppression activities

    Correct Answer
    C. Enables the reviewer to point out discrepancies before construction begins
    Explanation
    Establishing a plans review process enables the reviewer to point out discrepancies before construction begins. This is advantageous because it allows for early identification and correction of any errors or inconsistencies in the plans, ensuring that the construction process proceeds smoothly and in compliance with regulations. By catching these discrepancies early on, potential issues or safety concerns can be addressed and resolved before any actual construction takes place, saving time, money, and potential risks in the long run.

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  • 13. 

    When investigating a complaint, a fire inspector should:

    • A.

      Never give the owner advance notice of the investigation

    • B.

      Explain the purpose of the investigation to the owner

    • C.

      Take appropriate departmental action to correct the violations

    Correct Answer(s)
    B. Explain the purpose of the investigation to the owner
    C. Take appropriate departmental action to correct the violations
    Explanation
    When investigating a complaint, a fire inspector should explain the purpose of the investigation to the owner. This is important as it helps the owner understand why the investigation is taking place and what the inspector is looking for. It also helps establish transparency and trust between the inspector and the owner. Additionally, the fire inspector should take appropriate departmental action to correct the violations found during the investigation. This ensures that any hazards or violations are addressed promptly and effectively, minimizing the risk of fire and ensuring the safety of the occupants.

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  • 14. 

    The National Fire Codes are published by the:

    • A.

      International Fire Service Training Association

    • B.

      National Fire Protection Association

    • C.

      National Fire Prevention and Control Administration

    • D.

      International Codes Council

    Correct Answer
    B. National Fire Protection Association
    Explanation
    The National Fire Codes are published by the National Fire Protection Association.

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  • 15. 

    Performance based codes are difficult to enforce because:

    • A.

      Performance of each inspector may be different

    • B.

      Performance of structural members is dependent upon supporting technical information of engineers and architects

    • C.

      If data are entered inconsistently, performance will be inconsistent

    • D.

      The code may change frequently, based on its performance

    Correct Answer
    B. Performance of structural members is dependent upon supporting technical information of engineers and architects
    Explanation
    Performance based codes are difficult to enforce because the performance of structural members is dependent upon supporting technical information provided by engineers and architects. This means that the code cannot be enforced solely based on visual inspection or general standards, but requires specific technical knowledge and expertise to ensure compliance. This reliance on technical information makes enforcement more challenging as it requires a higher level of understanding and interpretation.

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  • 16. 

    Prior to a court case, an inspector should do all of the following EXCEPT

    • A.

      Reinspect the facility the day before the trial

    • B.

      Go over his/her testimony with the prosecutor before entering the courtroom

    • C.

      Appear in proper uniform or be neatly dressed

    • D.

      Volunteer information to make responses as detailed and complete as possible

    Correct Answer
    D. Volunteer information to make responses as detailed and complete as possible
    Explanation
    Prior to a court case, an inspector should do all of the mentioned actions except for volunteering information to make responses as detailed and complete as possible. In a court case, it is important for the inspector to provide accurate and truthful information, but they should not go beyond what is asked of them or provide additional information that may not be relevant or necessary. The inspector should only answer the questions asked by the prosecutor or defense attorney to avoid any potential confusion or complications during the trial.

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  • 17. 

    Which of the following IS NOT suggested for courtroom procedure or behavior?

    • A.

      Never become argumentative on the witness stand

    • B.

      Make sure that all physical evidence, exhibits, photographs, notes, and reference materials are brought to court

    • C.

      Attempt to answer a question you do not know

    • D.

      Remain impartial. Do not give the impression that you have a personal dislike for the defendant

    Correct Answer
    C. Attempt to answer a question you do not know
    Explanation
    It is not suggested to attempt to answer a question you do not know in a courtroom procedure or behavior. It is important to be truthful and provide accurate information during legal proceedings. If you do not know the answer to a question, it is better to admit it rather than providing incorrect or misleading information.

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  • 18. 

    Fire drills in educational occupancies SHOULD NOT BE conducted:

    • A.

      During classroom changes, since the students are already in the hallways

    • B.

      During assembly programs, since the students are all in one place making for easy evacuation

    • C.

      During lunch time

    • D.

      At the start of each day

    Correct Answer
    D. At the start of each day
    Explanation
    Fire drills should not be conducted at the start of each day because it can create a chaotic situation when students are just arriving and settling into their classrooms. Conducting a fire drill at this time may disrupt the normal routine and cause confusion among students and staff. It is better to conduct fire drills at a time when students are already assembled in one place, such as during assembly programs, or when they are not in their classrooms, such as during classroom changes or lunch time.

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  • 19. 

    Fire drills should be conducted in:

    • A.

      Storage warehouses

    • B.

      All occupancies

    • C.

      Schools and assembly areas only

    • D.

      Schools and homes only

    Correct Answer
    B. All occupancies
    Explanation
    Fire drills should be conducted in all occupancies because it is important to ensure that people are prepared and know how to safely evacuate in the event of a fire. Fire drills help to familiarize occupants with evacuation routes, emergency exits, and evacuation procedures. By conducting fire drills in all occupancies, including storage warehouses, schools, assembly areas, and homes, the risk of panic and confusion during a real fire emergency can be minimized, and the chances of a successful evacuation can be increased.

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  • 20. 

    Fire drills in educational occupancies SHOULD NOT BE conducted during

    • A.

      Classes

    • B.

      Gym or recess periods

    • C.

      School assemblies

    • D.

      The same time period on the same day of the week

    Correct Answer
    D. The same time period on the same day of the week
    Explanation
    Fire drills in educational occupancies should not be conducted during the same time period on the same day of the week. Conducting fire drills at different times and on different days helps to ensure that students and staff are prepared for emergencies in various scenarios. By avoiding a predictable schedule, it reduces the risk of complacency and increases the effectiveness of the drills in preparing everyone for a real emergency situation.

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  • 21. 

    Private driveways or parking lots may consist of either a _____ skin of asphalt over the top of the gravel or a ____ slapb of concrete.

    • A.

      Thin/thick

    • B.

      Thin/thin

    • C.

      Thick/thin

    • D.

      Thick/thick

    Correct Answer
    B. Thin/thin
    Explanation
    Private driveways or parking lots may consist of either a thin skin of asphalt over the top of the gravel or a thin slab of concrete. Both options involve a thin layer, whether it is asphalt or concrete.

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  • 22. 

    Obstructions to fire department access include all of the following EXCEPT

    • A.

      Burglar bars

    • B.

      Ornamental walls

    • C.

      False fronts

    • D.

      Ramps

    Correct Answer
    D. Ramps
    Explanation
    Obstructions to fire department access include burglar bars, ornamental walls, and false fronts, as these can impede firefighters from entering a building quickly during an emergency. However, ramps do not typically obstruct fire department access as they are designed to provide a gradual incline for easy access, especially for individuals with mobility challenges.

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  • 23. 

    The temperature at which a liquid fuel, once ignited, will continue to burn is known as:

    • A.

      Fire point

    • B.

      Vapor temperature

    • C.

      Boiling point

    • D.

      Flash point

    Correct Answer
    A. Fire point
    Explanation
    The fire point refers to the temperature at which a liquid fuel, once ignited, will continue to burn. It is a higher temperature than the flash point, which is the temperature at which a liquid fuel can momentarily ignite when exposed to an open flame. The fire point is important in understanding the stability and safety of a fuel, as it indicates the temperature at which it can sustain combustion.

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  • 24. 

    When a fuel gives off enough vapors so that it can be ignited and burn momentarily, it has reached its:

    • A.

      Fire point

    • B.

      Upper flammable limit

    • C.

      Vapor density

    • D.

      Flash point

    Correct Answer
    D. Flash point
    Explanation
    The flash point refers to the lowest temperature at which a fuel can produce enough vapors to ignite when exposed to an ignition source. It represents the moment when the fuel is able to burn momentarily.

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  • 25. 

    Class B fires involve fires such as:

    • A.

      Greases or flammable/combustible liquids

    • B.

      Energized electricl equipment

    • C.

      Combustible metals

    • D.

      Ordinary combustibles

    Correct Answer
    A. Greases or flammable/combustible liquids
    Explanation
    The correct answer is greases or flammable/combustible liquids. Class B fires involve these substances because they are highly flammable and can easily ignite. Greases and flammable/combustible liquids have low flash points, meaning they can vaporize quickly and create a flammable atmosphere. When exposed to a heat source, these substances can easily catch fire and spread rapidly. It is important to use the appropriate fire extinguishing agents, such as foam or dry chemical extinguishers, to suppress Class B fires involving greases or flammable/combustible liquids.

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  • 26. 

    When referring to the L.E.L. of a flammable or combustible liquid, what does the L.E.L. mean?

    • A.

      Lowest Efficiency Level

    • B.

      Life Span Equivalency Label

    • C.

      Lower Explosive Limit

    • D.

      Lowest Evaporation Limit

    Correct Answer
    C. Lower Explosive Limit
    Explanation
    The L.E.L. stands for Lower Explosive Limit when referring to the flammable or combustible liquid. The Lower Explosive Limit represents the minimum concentration of vapor or gas in the air that can ignite and cause an explosion when exposed to an ignition source. It is important to understand the L.E.L. of a substance to ensure safety measures are taken to prevent explosions and fires in environments where these liquids are present.

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  • 27. 

    In a closed area, gases with vapor density of less than one will:

    • A.

      Rise and not concentrate near the ceiling

    • B.

      Rise and concentrate near the ceiling

    • C.

      Settle and not concentrate at the floor

    • D.

      Settle and concentrate at the floor

    Correct Answer
    B. Rise and concentrate near the ceiling
    Explanation
    Gases with a vapor density of less than one are lighter than air. As a result, they will rise in a closed area. Additionally, these gases will concentrate near the ceiling because they are less dense than the surrounding air and will tend to accumulate in the upper part of the space.

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  • 28. 

    Which one of the following conditions constitutes a source of ignition during the handling and use of flammable and combustible liquids?

    • A.

      Bonding of containers

    • B.

      Approved safety can

    • C.

      Heating elements

    • D.

      Mechanical ventilation

    Correct Answer
    C. Heating elements
    Explanation
    Heating elements can generate enough heat to ignite flammable and combustible liquids. When these liquids are exposed to high temperatures from heating elements, they can reach their flash point and catch fire. Therefore, heating elements pose a potential source of ignition during the handling and use of these liquids.

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  • 29. 

    A raised noncombustible sill or liquid tight ramp is needed at the opening of a fire resistant room or enclosure for inside storage tanks to:

    • A.

      Prevent a tank from leaking

    • B.

      Prevent liquid from flowing into the structure if a leak should occur

    • C.

      Eliminate vapor release

    • D.

      Protect the storage tanks

    Correct Answer
    B. Prevent liquid from flowing into the structure if a leak should occur
    Explanation
    A raised noncombustible sill or liquid tight ramp is needed at the opening of a fire resistant room or enclosure for inside storage tanks to prevent liquid from flowing into the structure if a leak should occur. This is because if a leak happens, the liquid could potentially seep into the structure and cause damage or pose a safety hazard. By having a raised sill or ramp, it creates a barrier that prevents the liquid from flowing into the structure, containing the leak and minimizing the potential damage.

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  • 30. 

    When outside portable container storage for flammable and combustibles is located next to buildings, the exterior walls of the buildings must be constructed of noncombustible or approved limited-combustible materials having a fire resistance rating of how many  hours?

    • A.

      4 hours

    • B.

      3 hours

    • C.

      2 hours

    • D.

      1 hour

    Correct Answer
    C. 2 hours
    Explanation
    When outside portable container storage for flammable and combustibles is located next to buildings, the exterior walls of the buildings must be constructed of noncombustible or approved limited-combustible materials having a fire resistance rating of 2 hours. This means that the walls must be able to withstand fire for a minimum of 2 hours before the fire can penetrate through them. This requirement is in place to ensure the safety of the buildings and prevent the spread of fire from the storage containers to the adjacent structures.

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  • 31. 

    Which containers should a fire inspector accept for outside storage of flammable liquids?

    • A.

      Polychloride drum

    • B.

      Steel pail

    • C.

      Any container approved for the liquid

    • D.

      No regulations if stored outside

    Correct Answer
    C. Any container approved for the liquid
    Explanation
    The fire inspector should accept any container that has been approved for the specific flammable liquid being stored. This means that the container has met certain safety standards and is suitable for holding the liquid without causing any risks or hazards. The use of approved containers ensures that proper storage and containment measures are in place to prevent accidents or fires.

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  • 32. 

    All portable tanks greater than _____ should be treated according to the same standards as fixed tanks.

    • A.

      60 gallons

    • B.

      120 gallons

    • C.

      240 gallons

    • D.

      660 gallons

    Correct Answer
    D. 660 gallons
    Explanation
    Portable tanks that are larger than 660 gallons should be treated in the same way as fixed tanks. This means that they should adhere to the same standards and regulations as fixed tanks, ensuring safety and compliance. The specific volume of 660 gallons has been determined as the threshold for when portable tanks should be treated equivalently to fixed tanks.

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  • 33. 

    What size above ground storage tank placed inside of a building requires it to be placed in a fire resistant room or enclosure?

    • A.

      220 gallons or larger

    • B.

      275 gallons or larger

    • C.

      500 gallons or larger

    • D.

      660 gallons or larger

    Correct Answer
    D. 660 gallons or larger
    Explanation
    Above ground storage tanks that are 660 gallons or larger need to be placed in a fire resistant room or enclosure. This is because larger tanks have a higher potential for storing a larger quantity of flammable or hazardous substances, which poses a greater risk in the event of a fire. Placing these tanks in a fire resistant room or enclosure helps to contain any potential fire and prevent it from spreading to the surrounding area, minimizing the risk of damage and ensuring the safety of the building and its occupants.

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  • 34. 

    Which condition would be conducive to creating an explosive atmosphere in the storage, handling, and use of flammable and combustible liquids?

    • A.

      Inadequate lighting

    • B.

      Penetrated fire wall

    • C.

      Concentration of vapor

    • D.

      Open atmosphere

    Correct Answer
    C. Concentration of vapor
    Explanation
    A concentration of vapor would be conducive to creating an explosive atmosphere in the storage, handling, and use of flammable and combustible liquids because when the vapor of these liquids reaches a certain concentration in the air, it can form an explosive mixture. This means that if there is a high concentration of vapor present, any ignition source can potentially cause an explosion. Therefore, it is important to properly control and manage the concentration of vapor to prevent accidents and ensure safety in such environments.

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  • 35. 

    Fire inspectors must ensure that measures are taken to prevent flammable or combustible liquids from accumulating under LP gas containers to reduce the rist of:

    • A.

      Blow off

    • B.

      BLUEE

    • C.

      BLEVE

    • D.

      BELCH

    Correct Answer
    C. BLEVE
    Explanation
    BLEVE stands for Boiling Liquid Expanding Vapor Explosion. It is a dangerous phenomenon that can occur when a container holding a flammable or combustible liquid is exposed to intense heat, causing the liquid to rapidly boil and expand, leading to a violent explosion. Fire inspectors must ensure that measures are taken to prevent the accumulation of flammable or combustible liquids under LP gas containers to reduce the risk of a BLEVE occurring. This is important for the safety of people and property in the vicinity of these containers.

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  • 36. 

    The agency that regulates the transportation of compressed and liquefied gases is the:

    • A.

      US Department of Transportation (DOT)

    • B.

      Petroleum Tank Institute (PTI)

    • C.

      National Transportation and Safety Board (NTSB)

    • D.

      Environmental Protection Agency (EPA)

    Correct Answer
    A. US Department of Transportation (DOT)
    Explanation
    The correct answer is the US Department of Transportation (DOT). The DOT is responsible for regulating the transportation of compressed and liquefied gases. They establish and enforce regulations to ensure the safe handling, storage, and transportation of these hazardous materials. This includes setting standards for packaging, labeling, and documentation, as well as conducting inspections and investigations to ensure compliance with these regulations. The DOT plays a crucial role in maintaining the safety of the transportation industry and protecting the public and the environment from the potential hazards associated with compressed and liquefied gases.

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  • 37. 

    Compressed and liquefied gas cylinders should be stored in:

    • A.

      Wet, cool locations

    • B.

      Designed rooms which are safe, dry, and well ventilated

    • C.

      Sheds with uneven fireproof floors

    • D.

      Outside open areas without protection from adverse weather conditions

    Correct Answer
    B. Designed rooms which are safe, dry, and well ventilated
    Explanation
    Compressed and liquefied gas cylinders should be stored in designed rooms which are safe, dry, and well ventilated. This is because these cylinders can pose a safety risk if not stored properly. Storing them in a designed room ensures that they are kept in a controlled environment, away from potential ignition sources and protected from adverse weather conditions. The room should be well ventilated to prevent the buildup of gases and to allow for the dissipation of any leaks. Keeping the room dry helps to prevent corrosion and damage to the cylinders.

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  • 38. 

    Dip tank operations must be located in noncombustible buildings.  At what floor level in noncombustible buildings must dip tank operations be located?

    • A.

      Not above the third floor

    • B.

      Not above the second floor

    • C.

      Not below ground floor

    • D.

      Not above or below the ground floor

    Correct Answer
    D. Not above or below the ground floor
    Explanation
    Dip tank operations must be located in noncombustible buildings. This means that they cannot be located in buildings made of flammable materials. The correct answer states that dip tank operations should not be located above or below the ground floor. This is because the ground floor is typically considered the safest level in terms of fire safety. Being located above or below the ground floor could pose additional risks in case of a fire. Therefore, dip tank operations should be situated on the ground floor in noncombustible buildings.

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  • 39. 

    To avoid trapping cryogenic liquids in piping, which choice for installed piping is the safest?

    • A.

      A pressure relief device every 100 ft and piping sloped from the container

    • B.

      A pressure relief device between every two shut off valves and piping sloped up from the container

    • C.

      A pressure relief device every 90 ft and piping sloped down from the container

    • D.

      A pressure relief device between every two shut off valves and piping sloped down from the container

    Correct Answer
    B. A pressure relief device between every two shut off valves and piping sloped up from the container
    Explanation
    Installing a pressure relief device between every two shut off valves ensures that there is a safety mechanism in place to release excess pressure in the piping system. Sloping the piping up from the container helps to prevent the trapping of cryogenic liquids, as any liquid that may accumulate will flow back towards the container. This combination of pressure relief devices and upward sloping piping minimizes the risk of pressure build-up and the potential for cryogenic liquids to become trapped in the piping system.

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  • 40. 

    Cryogenic liquids are stored in special containers.  These containers are typically:

    • A.

      Only double walled construction

    • B.

      Single walled containers that is insulated

    • C.

      Double walled containers of corrosion resistant metal

    • D.

      Single walled containers that are insulated and constructed with corrosion resistant metal

    Correct Answer
    C. Double walled containers of corrosion resistant metal
    Explanation
    Cryogenic liquids, which are extremely cold, need to be stored in special containers to prevent them from evaporating or causing damage. These containers must have double walls to provide an extra layer of insulation and protection. Additionally, the containers need to be made of corrosion resistant metal to prevent any chemical reactions or degradation. Therefore, the correct answer is double walled containers of corrosion resistant metal.

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  • 41. 

    The principle which MOST CLOSELY describes how water extinguishes fire is:

    • A.

      Removal of fuel

    • B.

      Reduction of temperature

    • C.

      Exclusion of oxygen

    • D.

      Inhibition of a chain reaction

    Correct Answer
    B. Reduction of temperature
    Explanation
    Water extinguishes fire by reducing the temperature of the fire. When water is applied to a fire, it absorbs heat from the fire, causing the temperature to decrease. This decrease in temperature lowers the fire's ability to sustain itself and eventually leads to its extinguishment. By reducing the temperature, water effectively removes the heat energy that is necessary for the fire to continue burning.

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  • 42. 

    A fire in the presence of a higher than normal concentration of oxygen will:

    • A.

      Burn slower than normal

    • B.

      Burn faster than normal

    • C.

      Not be effected by the oxygen

    • D.

      Not burn if oxygen is too rich

    Correct Answer
    B. Burn faster than normal
    Explanation
    A fire in the presence of a higher than normal concentration of oxygen will burn faster than normal. Oxygen is a crucial component for combustion, and an increased supply of oxygen will enhance the rate of the chemical reaction between fuel and oxygen, resulting in a faster burning process.

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  • 43. 

    Mechanical heat energy initiated by the movement between objects in contact with one another defines:

    • A.

      Dielectric heating

    • B.

      Heat of friction

    • C.

      Static electricity

    • D.

      Resistance heating

    Correct Answer
    B. Heat of friction
    Explanation
    Heat of friction refers to the heat energy that is generated when two objects rub against each other. This frictional movement between the objects causes the molecules in the objects to vibrate and generate heat. This heat energy is a result of the conversion of mechanical energy into thermal energy. Therefore, the correct answer is heat of friction.

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  • 44. 

    The amount of heat generated through the process of oxidation is known as:

    • A.

      Heat of solution

    • B.

      Heat of decomposition

    • C.

      Heat of combustion

    • D.

      Spontaneous heating

    Correct Answer
    C. Heat of combustion
    Explanation
    Heat of combustion refers to the amount of heat released when a substance undergoes complete combustion with oxygen. It is a measure of the energy content of a fuel and is typically expressed in units of energy per unit mass (e.g., joules per gram). This term specifically applies to the oxidation process involving fuels, where the reactants are the fuel and oxygen, and the products are carbon dioxide and water vapor. Heat of combustion is an important concept in understanding the energy release in various combustion processes, such as in engines or in the burning of fossil fuels.

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  • 45. 

    Heating of an organic substance without an external heat source is known as:

    • A.

      Spontaneous heating

    • B.

      Heat of decomposition

    • C.

      Dielectric heating

    • D.

      Frictional heat

    Correct Answer
    A. Spontaneous heating
    Explanation
    Spontaneous heating refers to the process of heating an organic substance without the need for an external heat source. This phenomenon occurs due to the exothermic reactions that take place within the substance itself, leading to an increase in temperature. Unlike other forms of heating mentioned, such as heat of decomposition (which involves the breakdown of a substance) or dielectric heating (which uses an electric field), spontaneous heating occurs naturally and does not require any additional energy input. Frictional heat, on the other hand, involves the generation of heat through mechanical friction, which is not applicable in this context.

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  • 46. 

    The release of heat usually due to bacterial action BEST defines:

    • A.

      Spontaneous heating

    • B.

      Heat of decomposition

    • C.

      Heat of compression

    • D.

      Heat of solution

    Correct Answer
    B. Heat of decomposition
    Explanation
    Heat of decomposition refers to the release of heat that occurs when a substance breaks down or decomposes into simpler compounds or elements. This process is often caused by chemical reactions or the action of bacteria. Bacterial action can lead to the breakdown of organic matter, resulting in the release of heat as a byproduct. Therefore, heat of decomposition is the most appropriate term to define the release of heat due to bacterial action.

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  • 47. 

    In order to have spontaneous heating, the substance must be:

    • A.

      Insulated

    • B.

      Organic

    • C.

      Inorganic

    • D.

      Explosed to sunlight

    Correct Answer
    B. Organic
    Explanation
    Spontaneous heating refers to the process where a substance undergoes combustion without an external ignition source. Organic substances, such as fuels, are more prone to spontaneous heating compared to inorganic substances. This is because organic substances contain carbon and hydrogen, which can react with oxygen in the air to release heat energy. Inorganic substances, on the other hand, do not typically have the necessary chemical properties to undergo spontaneous combustion. Therefore, the correct answer is organic.

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  • 48. 

    The phenomenon by which heat, smoke, and fire gases will travel upward to the highest point and become trapped, bank down, and spread out laterally is known as:

    • A.

      Back draft

    • B.

      Thermal layering

    • C.

      Flashover

    • D.

      Buoyancy

    Correct Answer
    B. Thermal layering
    Explanation
    Thermal layering refers to the phenomenon where heat, smoke, and fire gases rise upwards due to their lower density compared to the surrounding air. As they reach the highest point, they become trapped and spread out laterally. This process is a result of buoyancy, as the hot gases are lighter and tend to rise. It is important to understand thermal layering in firefighting to effectively control and extinguish fires.

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  • 49. 

    In tall buildings, layering on top floors may be delayed until there is:

    • A.

      Sufficient heat build up to cause the upward movement of smoke and fire gases

    • B.

      Admission of sufficient oxygen to cause flashover

    • C.

      An adequate roof opening to discharge smoke and fire gases

    • D.

      Enough water applied to cool the gases as they are leaving the seat of the fire

    Correct Answer
    A. Sufficient heat build up to cause the upward movement of smoke and fire gases
    Explanation
    In tall buildings, layering on top floors may be delayed until there is sufficient heat build up to cause the upward movement of smoke and fire gases. This means that the fire needs to generate enough heat to create an upward draft, which will allow the smoke and fire gases to rise and create a layering effect. Without sufficient heat build up, the smoke and fire gases may not rise and spread throughout the building, delaying the layering process.

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  • 50. 

    Heat that results from the effects of either high frequency alternating current on a nonconductor or pulsating direct current best defines ______ heating.

    • A.

      Resistance

    • B.

      Dielectric

    • C.

      Induction

    • D.

      Static electricity

    Correct Answer
    B. Dielectric
    Explanation
    Dielectric heating refers to the process of generating heat in a nonconductor, such as a dielectric material, when exposed to high frequency alternating current or pulsating direct current. Dielectric heating occurs due to the phenomenon of molecular polarization, where the molecules in the dielectric material align with the alternating electric field and generate heat as they continuously reorient themselves. This heating mechanism is commonly used in applications such as microwave ovens and radio frequency heating.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 25, 2011
    Quiz Created by
    Tribecca09
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