B3e551 Vol 2

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  • 1/91 Questions

    (201) What is the name of a soil’s ability to deform without cracking or breaking?

    • Cohesion
    • Plasticity
    • Liquid Limit
    • Plasticity Index
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About This Quiz

B3e551 Vol 2 is a specialized quiz focused on soil mechanics, assessing knowledge on soil particle sizes, moisture types, and material characteristics. Ideal for learners in geotechnical fields, it enhances understanding of soil properties crucial for construction and engineering projects.

B3e551 Vol 2 - Quiz

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  • 2. 

    (209) Steel is a hard, strong, flexible alloy of iron,

    • aluminum, and other metals to give a particular property.

    • carbon, and other metals to give a particular property.

    • Carbon, and molybdenum to give a particular property

    • carbon, and nickel to give a particular property

    Correct Answer
    A. carbon, and other metals to give a particular property.
    Explanation
    The correct answer is carbon, and other metals to give a particular property. Steel is formed by combining iron with carbon and other metals. The addition of carbon helps to increase the hardness and strength of the steel, while the other metals provide additional properties such as corrosion resistance or heat resistance. Therefore, carbon and other metals are essential components in the formation of steel and contribute to its unique properties.

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  • 3. 

    (210) The term hardwood, when referring to lumber, identifies wood cut from what sort of tree?

    • Pine

    • Maple

    • Evergreen

    • Decidious

    Correct Answer
    A. Decidious
    Explanation
    Deciduous trees are the type of trees that shed their leaves annually. Hardwood lumber refers to wood that is harvested from deciduous trees, such as oak, maple, or walnut. These trees are known for their dense and durable wood, making them suitable for various applications like furniture, flooring, and cabinetry. Pine and evergreen trees, on the other hand, are classified as softwood trees, which have different characteristics and uses compared to hardwood.

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  • 4. 

    (223) Which part of a plumbing fixtures prevents sewage gases from leaking back into a room?

    • Traps

    • Air gap

    • Air chamber

    • Gas chamber

    Correct Answer
    A. Traps
    Explanation
    Traps are the part of a plumbing fixture that prevents sewage gases from leaking back into a room. Traps are curved sections of pipes that hold a small amount of water, creating a seal that prevents gases from passing through. This water seal acts as a barrier, allowing wastewater to flow out while preventing foul odors and gases from entering the room. Therefore, traps are essential in maintaining proper hygiene and preventing the escape of harmful gases into living spaces.

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  • 5. 

    (225) Delays in a project performance period because of poor planning can

    • Cause project designers to modify the contract

    • Delay the completion of the punch list items

    • Change the accuracy of the 35% drawings

    • Increase the overall cost of a contract

    Correct Answer
    A. Increase the overall cost of a contract
    Explanation
    Delays in a project performance period due to poor planning can lead to increased costs for the contract. When a project is delayed, additional resources may be required to complete the work, and this can result in increased labor and material costs. Additionally, delays can also result in penalties or fees imposed by the client for late delivery. Therefore, poor planning can have a direct impact on the overall cost of the contract.

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  • 6. 

    (207) The typical desired range for a concrete slump is between how many inches?

    • Four and Seven

    • Zero and Four

    • Zero and Seven

    • Two and Four

    Correct Answer
    A. Two and Four
    Explanation
    The desired range for a concrete slump refers to the consistency or workability of the concrete mix. A slump test measures the vertical displacement of the concrete when a cone-shaped mold is removed. A slump between two and four inches is considered ideal for most construction applications. This range provides a good balance between fluidity and stability, allowing the concrete to be easily placed and compacted while still maintaining its shape and strength. A slump outside of this range may indicate that the concrete is either too dry and difficult to work with or too wet and prone to segregation and excessive shrinkage.

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  • 7. 

     (209) In which situation is aluminum a better choice than steel for a structural member?

    • The frame of a roll-up overhead door.

    • The structure supporting a water tower

    • The frame of a warehouse shelving system

    • The frame of an Alaskan Small Shelter System tent

    Correct Answer
    A. The frame of an Alaskan Small Shelter System tent
    Explanation
    Aluminum is a better choice than steel for the frame of an Alaskan Small Shelter System tent because aluminum is lightweight, which makes it easier to transport and set up in remote locations. Additionally, aluminum is resistant to corrosion, which is important in the harsh weather conditions typically found in Alaska. Steel, on the other hand, is heavier and more prone to rusting, making it less suitable for this specific application.

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  • 8. 

     (209) An effective way to protect steel, even if the protective coating is scratched, is

    • glazing.

    • Calvinization

    • Galvanization

    • cathodic protection.

    Correct Answer
    A. Galvanization
    Explanation
    Galvanization is the process of coating steel with a layer of zinc to protect it from corrosion. Zinc acts as a sacrificial anode, meaning that it corrodes before the steel does. This creates a barrier between the steel and the environment, preventing rust and other forms of corrosion. Even if the protective coating is scratched, the zinc will continue to provide protection to the steel, as it will corrode in place of the steel. Therefore, galvanization is an effective way to protect steel, even if the protective coating is scratched.

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  • 9. 

     (212) During construction, what group of operations involve the final interior and exterior surfaces?

    • Insulating

    • Finishing

    • Plumbing

    • Covering

    Correct Answer
    A. Finishing
    Explanation
    During construction, the group of operations that involve the final interior and exterior surfaces is called finishing. This includes tasks such as applying paint or wallpaper, installing flooring, and adding trim or molding. Finishing is the last step in the construction process and is essential for giving the building a polished and completed appearance.

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  • 10. 

    (222) Heat transfer in heating, ventilation, and air conditioning (HVAC) systems takes place through which heat transfer principles?

    • Convection, conduction, and radiation

    • Radiation, conduction, and circulation

    • Conduction, radiation, conditioning, and convection

    • Convection, conduction, radiation and air temperature

    Correct Answer
    A. Convection, conduction, and radiation
    Explanation
    Heat transfer in HVAC systems occurs through convection, conduction, and radiation. Convection involves the transfer of heat through the movement of fluids, such as air or water. Conduction refers to the transfer of heat through direct contact between objects. Radiation is the transfer of heat through electromagnetic waves. These three principles are essential for effective heat transfer in HVAC systems.

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  • 11. 

     (205) Rigid pavements are often cut into squares or slabs because slabs allow

    • Water to drain between their cracks during heavy precipitation.

    • For easier removal and replacement if one if damaged.

    • the PCC to expand and contract according to temperature changes

    • The ACC to expand and contract according to temperature changes.

    Correct Answer
    A. the PCC to expand and contract according to temperature changes
    Explanation
    Rigid pavements are often cut into squares or slabs because it allows the PCC (Portland Cement Concrete) to expand and contract according to temperature changes. This is important because concrete expands when it is exposed to high temperatures and contracts when it is exposed to low temperatures. By cutting the pavement into squares or slabs, it allows for these temperature-induced movements without causing significant damage to the pavement.

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  • 12. 

     (211) Which component does not comprise a window system?

    • Structural frames

    • Glass panes.

    • Coatings

    • Spacers

    Correct Answer
    A. Coatings
    Explanation
    Coatings do not comprise a window system because they are not a structural or functional component of a window. Structural frames provide support and stability, glass panes allow for visibility and insulation, and spacers maintain the distance between the glass panes. Coatings, on the other hand, are applied to the glass surface for various purposes such as reducing heat transfer, enhancing energy efficiency, or providing privacy. While coatings can improve the performance of windows, they are not essential components of the window system itself.

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  • 13. 

    (225) Who should an engineer assistant (EA) work closely with when developing a drawing set?

    • Construction manager

    • Contracting officer

    • Project engineer

    • Project designer

    Correct Answer
    A. Project designer
    Explanation
    An engineer assistant (EA) should work closely with a project designer when developing a drawing set. This is because the project designer is responsible for creating the design and layout of the project, including the drawings. The EA's role is to assist the engineer in various tasks, and in this case, they would assist the project designer in developing the drawing set. Working closely with the project designer ensures that the drawings accurately reflect the design and meet the project requirements.

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  • 14. 

    (210) Structural members made from gluing together dimensional timber are called

    • Oriented strand board

    • Particle board

    • Plywood

    • Glulam

    Correct Answer
    A. Glulam
    Explanation
    Glulam is the correct answer because it refers to structural members made by gluing together dimensional timber. Glulam stands for glued laminated timber and it is a type of engineered wood product that consists of layers of timber bonded together with adhesives. This process enhances the strength and stability of the timber, making it suitable for use in various construction applications. Glulam is commonly used in beams, columns, and other load-bearing structures in buildings.

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  • 15. 

    (214) In reference to facility site access and circulation, what is the minimum width for walkways?

    • 3 feet

    • 4 feet

    • 6 feet

    • 8 feet

    Correct Answer
    A. 4 feet
    Explanation
    The minimum width for walkways in reference to facility site access and circulation is 4 feet. This width allows for comfortable and safe passage for pedestrians, ensuring that they have enough space to walk without feeling cramped or restricted. It also allows for the easy movement of equipment or materials if needed. A wider walkway would provide even more space, but 4 feet is the minimum requirement to ensure proper accessibility and circulation within the facility.

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  • 16. 

    (216) Which option best describes the water distribution term “cross connection”?

    • A physical connection between two non-portable water systems

    • A connection of two or more water systems in the shape of a cross

    • A physical connection between industrial and domestic water systems

    • A physical connection between potable and non-potable water systems

    Correct Answer
    A. A physical connection between potable and non-potable water systems
    Explanation
    A cross connection refers to a physical connection between potable (drinkable) and non-potable (non-drinkable) water systems. This connection can pose a risk as it can allow contaminants from the non-potable system to flow back into the potable system, compromising its safety and quality. It is important to prevent cross connections to ensure the integrity of the potable water supply.

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  • 17. 

    (203) What is the final result of a Proctor compaction test?

    • The maximum dry density.

    • The peak point of compaction.

    • The optimal moisture content for soil compaction.

    • The compaction curve displaying all dry densities.

    Correct Answer
    A. The optimal moisture content for soil compaction.
    Explanation
    The final result of a Proctor compaction test is the optimal moisture content for soil compaction. This test is used to determine the maximum density achievable for a specific soil and the corresponding moisture content at which it can be achieved. The optimal moisture content is crucial in ensuring that the soil is compacted to its maximum density, which is important for construction projects to ensure stability and load-bearing capacity. The test helps in determining the ideal moisture content for achieving the highest compaction and strength of the soil.

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  • 18. 

    . (206) What is the final determination of the Marshall stability test?

    • The amount of flow of the sample.

    • The amount of deformation of the sample

    • The amount of deformation of the sample at 140°F.

    • Whether the hot mix asphalt (HMA) design can support the intended traffic load.

    Correct Answer
    A. Whether the hot mix asphalt (HMA) design can support the intended traffic load.
    Explanation
    The final determination of the Marshall stability test is whether the hot mix asphalt (HMA) design can support the intended traffic load. This test is conducted to evaluate the strength and stability of the asphalt mixture. The Marshall stability value indicates the maximum load that the HMA specimen can withstand before failure. By determining the stability, engineers can assess whether the asphalt design meets the required standards and can safely withstand the expected traffic load.

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  • 19. 

    (216) What can happen of sewage pipes have too much slope?

    • Stagnant gases will build up

    • Sewage may begin to ferment

    • Sewage will get to its destination faster

    • Sewage can overflow at ventilation points

    Correct Answer
    A. Sewage can overflow at ventilation points
    Explanation
    If sewage pipes have too much slope, it means that they have a steep gradient. This can cause sewage to flow too quickly through the pipes, leading to increased pressure and potential overflow at ventilation points. The excessive slope can also prevent proper drainage, causing sewage to accumulate and stagnate in certain areas. This can result in the buildup of stagnant gases and the fermentation of sewage, further exacerbating the problem. Therefore, the correct answer is that sewage can overflow at ventilation points.

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  • 20. 

    (223) What are the three basic safety and sanitation features on plumbing fixtures?

    • Air hammer, traps, and backflow prevention

    • Backflow prevention, traps, and air chambers

    • Air gaps, air traps, and air hammer prevention

    • Backflow prevention, vent stacks, and air chambers

    Correct Answer
    A. Backflow prevention, traps, and air chambers
    Explanation
    The three basic safety and sanitation features on plumbing fixtures are backflow prevention, traps, and air chambers. Backflow prevention devices are used to prevent the contamination of potable water by ensuring that water flows in only one direction. Traps are U-shaped pipes that hold water to prevent sewer gases from entering the building. Air chambers are vertical pipes that provide a cushion of air to absorb the pressure created by water flow, preventing the occurrence of water hammer. These features are essential for maintaining the safety and hygiene of plumbing systems.

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  • 21. 

    (224) How many subgroups, if any, are there within the Unified Facilities Guide Specifications (UFGS)?

    • 0

    • 17

    • 34

    • 48

    Correct Answer
    A. 0
    Explanation
    There are no subgroups within the Unified Facilities Guide Specifications (UFGS).

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  • 22. 

    (227) Which type of construction estimate must be highly accurate to correctly quantify requirement?

    • Preliminary

    • Equipment

    • Detailed

    • Labor

    Correct Answer
    A. Detailed
    Explanation
    A detailed construction estimate is the type of estimate that must be highly accurate to correctly quantify requirements. This type of estimate involves a thorough examination and breakdown of all the components and aspects of a construction project, including materials, labor, equipment, and other expenses. It requires a precise and meticulous analysis to ensure that all the necessary resources are accurately accounted for, allowing for an accurate estimation of the project's cost and requirements.

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  • 23. 

    (201) The Unified Soils Classification System (USCS) divides soils into how many major and minor categories?

    • Six major and three minor.

    • Three major and six minor.

    • Ten major and four minor.

    • Four major and ten minor.

    Correct Answer
    A. Three major and six minor.
    Explanation
    The Unified Soils Classification System (USCS) divides soils into three major categories and six minor categories. This classification system is widely used in geotechnical engineering to categorize soils based on their physical properties and behavior. The three major categories are coarse-grained soils, fine-grained soils, and organic soils. The six minor categories further classify soils within these major categories based on specific characteristics such as grain size, plasticity, and compressibility.

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  • 24. 

     (207) What specific measurement in a slump test indicates the slump?

    • The vertical distance between the slump cone and the free standing concrete sample

    • The horizontal distance between the bottom of the slump cone and the top of the free standing concrete sample

    • The vertical distance between the top of the slump cone and the top of the free standing concrete sample

    • The horizontal distance between the top of the slump cone and the free standing concrete sample.

    Correct Answer
    A. The vertical distance between the top of the slump cone and the top of the free standing concrete sample
    Explanation
    The correct answer is the vertical distance between the top of the slump cone and the top of the free standing concrete sample. This measurement indicates the slump of the concrete, which refers to the amount of vertical settlement or collapse that occurs when the slump cone is removed. By measuring this distance, construction professionals can determine the workability and consistency of the concrete mixture, which is important for ensuring the quality and performance of the final product.

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  • 25. 

    (208) What standard describes the standards for loadbearing capacity of concrete masonry units (CMU)?

    • ANSI 2–1.

    • ASTM C90

    • ANSI C90

    • ASTM 2–1

    Correct Answer
    A. ASTM C90
    Explanation
    ASTM C90 is the correct answer because it is a standard that specifically describes the standards for loadbearing capacity of concrete masonry units (CMU). ANSI 2-1 and ANSI C90 are incorrect options as they do not pertain to the loadbearing capacity of CMU. ASTM 2-1 is also incorrect as it does not exist as a standard.

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  • 26. 

     (209) Which category of steel structural member shape has the greatest strength?

    • W

    • S

    • C

    • L

    Correct Answer
    A. W
    Explanation
    The category of steel structural member shape that has the greatest strength is W.

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  • 27. 

    (210) Lumber quantities are measured by feet board measure or board feet (FBM). Calculate the FBM for two boards 6" × 12" each; one is 12 feet long and the other is 8 feet

    • 108

    • 132

    • 162

    • 270

    Correct Answer
    A. 132
  • 28. 

    (220) Which type of wall relies primarily on the weather-tight integrity of the outermost exterior wall to keep out precipitation?

    • Mass wall

    • Shear wall

    • Cavity wall

    • Barrier wall

    Correct Answer
    A. Barrier wall
    Explanation
    A barrier wall is a type of wall that relies primarily on the weather-tight integrity of the outermost exterior wall to keep out precipitation. Unlike other types of walls, such as mass walls or shear walls, which provide structural support, a barrier wall is designed to act as a barrier against moisture and weather elements. It is typically constructed with materials that have high water resistance properties, such as waterproof membranes or coatings, to ensure that no water penetrates the wall and enters the interior of the building.

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  • 29. 

    (221) An electrical device used near water that reduces the risk of severe or fatal electric shock is a ground

    • Default circuit interrupter.

    • Fault circuit interrupter.

    • Floor circuit interrupter

    • Fault circuit breaker

    Correct Answer
    A. Fault circuit interrupter.
    Explanation
    A fault circuit interrupter is an electrical device used near water that reduces the risk of severe or fatal electric shock. It works by quickly detecting any imbalance in the electrical current and automatically shutting off the power to prevent any potential harm. This is especially important in areas where water is present, such as bathrooms or outdoor outlets, as water can conduct electricity and increase the risk of electric shock. A fault circuit interrupter is designed to provide a high level of safety by quickly interrupting the circuit in the event of a fault, minimizing the risk of injury or damage.

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  • 30. 

    (201) Angular gravels and sands are generally the best materials for construction because of what characteristics?

    • Compactability

    • Intertwining

    • Interlocking

    • Angular

    Correct Answer
    A. Interlocking
    Explanation
    Angular gravels and sands are generally the best materials for construction because of their interlocking characteristics. The angular shape of these materials allows them to fit tightly together, creating a stable and strong base for construction. This interlocking feature helps to prevent shifting and settling, ensuring the durability and longevity of the structure. Additionally, the interlocking nature of angular gravels and sands also improves their load-bearing capacity, making them ideal for supporting heavy loads and providing a solid foundation for buildings and infrastructure.

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  • 31. 

     (214) Refer to figure 3–4. How many parking spaces are authorized for an office building with 70 people assigned?

    • 70

    • 60

    • 42

    • 15

    Correct Answer
    A. 42
    Explanation
    Based on Figure 3-4, the number of parking spaces authorized for an office building with 70 people assigned is 42.

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  • 32. 

    (218) An aircraft being towed into a hangar applies what sort of load to hangar floor?

    • Dynamic

    • Live

    • Static

    • Dead

    Correct Answer
    A. Live
    Explanation
    When an aircraft is being towed into a hangar, it applies a live load to the hangar floor. A live load refers to any temporary or movable load that can change in magnitude or position. In this case, the aircraft is being moved and therefore applies a live load to the hangar floor.

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  • 33. 

    (201) Which of the following is not one of the four groups of designated soil particle size ranges?

    • Cobbles

    • Gravels

    • Silts

    • Fines

    Correct Answer
    A. Silts
    Explanation
    The given answer, "Silts," is not one of the four groups of designated soil particle size ranges. The four groups are cobbles, gravels, sands, and fines. Silts are not included in this classification.

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  • 34. 

    (201) When viewed under a microscope, what shape do the fines in clay have?

    • Subangular

    • Platy

    • Bulky

    • Flat

    Correct Answer
    A. Platy
    Explanation
    When viewed under a microscope, the fines in clay have a platy shape. This means that they are flat and thin, resembling small plates or flakes. This shape allows the fines to easily slide past each other, which contributes to the cohesive and plastic properties of clay.

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  • 35. 

    (201) Refer to figure 1–6 in the text. What is the letter symbol for a well-graded gravel with little or no fines?

    • GP

    • GW

    • WG

    • GM

    Correct Answer
    A. GW
    Explanation
    The letter symbol "GW" represents a well-graded gravel with little or no fines.

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  • 36. 

    (203) What are the three known values when using a Casagrande cup to determine the liquid limit (LL) of a sample?

    • Distance between sample halves, distance of cup drop, and number of blows per minute

    • 13.5mm, 10mm, and 120 blows

    • Distance between samples, distance of cup drop, and number of blows per minute

    • 13.5mm, 10mm, and 25 blows

    Correct Answer
    A. Distance between sample halves, distance of cup drop, and number of blows per minute
    Explanation
    The three known values when using a Casagrande cup to determine the liquid limit (LL) of a sample are the distance between sample halves, the distance of cup drop, and the number of blows per minute. These values are important in accurately measuring the liquid limit of a soil sample using the Casagrande cup method. The distance between sample halves determines the thickness of the soil sample, the distance of cup drop determines the energy applied to the soil, and the number of blows per minute determines the rate at which the soil is compacted.

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  • 37. 

    (204) What is the specific gravity of Bromine if its density is 3119 kilograms per cubic meter (kg/m3)?

    • 3.12.

    • 31.2.

    • 7.99

    • 79.9

    Correct Answer
    A. 3.12.
    Explanation
    The specific gravity of a substance is the ratio of its density to the density of water. In this case, the density of bromine is given as 3119 kg/m3. The density of water is 1000 kg/m3. To find the specific gravity, we divide the density of bromine by the density of water: 3119 kg/m3 / 1000 kg/m3 = 3.119. Rounded to two decimal places, this is 3.12. Therefore, the specific gravity of bromine is 3.12.

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  • 38. 

     (208) Which type of mortar is used for structural masonry applications?

    • Type O

    • Type N

    • Type S

    • Type M

    Correct Answer
    A. Type S
    Explanation
    Type S mortar is used for structural masonry applications. This type of mortar has a high compressive strength and is suitable for use in load-bearing walls and other structural elements. It is commonly used in areas with high wind and seismic activity, as it provides greater resistance to these forces. Type S mortar is made with a higher proportion of Portland cement compared to other types, resulting in its increased strength and durability.

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  • 39. 

    (221) Which of the following is not a good safety practice around circuit breaker panels?

    • Never work on an energized circuit or apparatus

    • Label each circuit breaker to identify the circuit it controls

    • Be careful not to act as a ground when working near electricity

    • Maintain 30 inches of clear floor space in all directions for electrical panels

    Correct Answer
    A. Maintain 30 inches of clear floor space in all directions for electrical panels
    Explanation
    Maintaining 30 inches of clear floor space in all directions for electrical panels is actually a good safety practice around circuit breaker panels. This allows for easy access to the panel and ensures that there are no obstructions that could hinder the operation or maintenance of the panel. It also provides a safe distance for anyone working on the panel, reducing the risk of accidents or injuries.

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  • 40. 

    (201) Soil contains many voids of varying sizes. What type of material most likely will be trapped in the voids between particles in a soil sample?

    • Organics.

    • Water

    • Fines

    • Air

    Correct Answer
    A. Air
    Explanation
    Soil contains many voids or spaces between particles. These voids can be filled with different materials. In this case, the most likely material to be trapped in the voids between particles in a soil sample is air. Air is a common component of soil, occupying the empty spaces between soil particles.

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  • 41. 

    (202) When performing the grit soil classification test, what is the difference between clayey and silty soils?

    • Silty soils are very gritty on the teeth while clayey soils feel smooth and powdery

    • Silty soils are gritty on the teeth while clayey soils feel smooth and powdery

    • Clayey soils are gritty on the teeth while silty soils feel smooth and powdery

    • Silty soils have hard, sharp particles while clayey soils feel smooth and powdery

    Correct Answer
    A. Silty soils are gritty on the teeth while clayey soils feel smooth and powdery
    Explanation
    Silty soils are described as gritty on the teeth, indicating that they have a coarse texture. On the other hand, clayey soils are described as feeling smooth and powdery, suggesting that they have a fine texture. This difference in texture is important in the grit soil classification test, as it helps to differentiate between the two types of soils based on their tactile properties.

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  • 42. 

    (207) What is the ideal amount of entrapped air in a concrete sample?

    • 0%

    • 4%-7%

    • 2%-4%

    • 2%-7%

    Correct Answer
    A. 0%
    Explanation
    The ideal amount of entrapped air in a concrete sample is 0%. This means that there should be no air bubbles or voids present in the concrete. Air entrainment can weaken the concrete and reduce its durability, so it is important to minimize the amount of entrapped air.

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  • 43. 

    (208) When are concrete block walls beneficial over poured concrete walls?

    • When a wall needs to be reinforced with steel rods.

    • When the weight of the wall needs to be reduced.

    • When there is a limited ability to construct complex concrete forms

    • When concrete walls do not need to be reinforced

    Correct Answer
    A. When there is a limited ability to construct complex concrete forms
    Explanation
    Concrete block walls are beneficial over poured concrete walls when there is a limited ability to construct complex concrete forms. This means that if there are constraints or limitations in constructing intricate or complicated shapes with concrete, using concrete blocks can be a more practical and feasible option. Concrete blocks are pre-made and can be easily stacked and arranged to form a wall, eliminating the need for complex formwork construction.

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  • 44. 

     (214) Which organization publishes documents regarding the planning, design, and operation of pedestrian facilities?

    • Americans with Disabilities Act.

    • Unified Facilities Criteria

    • Department of Highway and Transportation Office

    • American Association of State Highway and Transportation Officials

    Correct Answer
    A. American Association of State Highway and Transportation Officials
    Explanation
    The American Association of State Highway and Transportation Officials (AASHTO) publishes documents regarding the planning, design, and operation of pedestrian facilities. These documents provide guidelines and standards for creating safe and accessible pedestrian infrastructure, ensuring that pedestrians are able to navigate and use transportation facilities effectively. AASHTO's publications help transportation agencies and professionals in designing and maintaining pedestrian-friendly environments that promote safety and accessibility for all users.

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  • 45. 

    (216) In a water distribution system, which component brings water to the water outlet?

    • Water main

    • Water service pipe

    • Water supply system

    • Water distribution pipes

    Correct Answer
    A. Water distribution pipes
    Explanation
    Water distribution pipes are the components that bring water to the water outlet in a water distribution system. These pipes are responsible for carrying the water from the main water supply to the individual water outlets such as taps, showers, and faucets. The water main is the main pipe that brings water into the distribution system, but it is the water distribution pipes that actually deliver the water to the desired location. The water service pipe connects the water main to the building, while the water supply system refers to the entire system that includes all the components involved in supplying water.

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  • 46. 

    (218) Steel mesh in a floating slab foundation provides improved

    • Compression strength

    • Torsion strength

    • Tension strength

    • Tensile strength

    Correct Answer
    A. Tensile strength
    Explanation
    The steel mesh in a floating slab foundation provides improved tensile strength. Tensile strength refers to the ability of a material to resist pulling or stretching forces. In the case of a floating slab foundation, the steel mesh helps to distribute and reinforce the tensile forces that may occur due to ground movement or settling. This reinforcement helps to prevent cracks or failure in the foundation, ensuring its stability and durability.

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  • 47. 

    (219) Floor systems that are too elastic can

    • Cause excessive deflection and vibration

    • Fail under excessive dynamic loads

    • Bend under an excessive load

    • Damage ceiling tiles

    Correct Answer
    A. Cause excessive deflection and vibration
    Explanation
    Floor systems that are too elastic can cause excessive deflection and vibration. This is because excessive elasticity allows the floor to flex and move more than it should, resulting in increased deflection and vibration. This can lead to discomfort for occupants, as well as potential damage to the floor system itself. Additionally, excessive deflection and vibration can compromise the structural integrity of the floor, potentially leading to failure under excessive dynamic loads. Therefore, it is important to ensure that floor systems have the appropriate level of elasticity to prevent these issues.

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  • 48. 

    (201) Refer to figure 1–3. If a particle passes the 3-inch sieve but is retained on the No. 10, how is it categorized?

    • Coarse sand.

    • Sand

    • Course Gravel

    • Gravel

    Correct Answer
    A. Coarse sand.
    Explanation
    Based on the information provided in figure 1-3, if a particle passes the 3-inch sieve but is retained on the No. 10 sieve, it is categorized as coarse sand.

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  • 49. 

    (212) Which function is not accomplished by exterior coverings of a facility?

    • Thermal insulation

    • Adequate sound damping

    • Keep out the wind and rain

    • Structurally support the building.

    Correct Answer
    A. Adequate sound damping
    Explanation
    Exterior coverings of a facility serve multiple functions, such as thermal insulation, keeping out the wind and rain, and structurally supporting the building. However, adequate sound damping is not a function typically accomplished by exterior coverings. Sound damping is usually achieved through the use of interior materials and design elements, such as acoustic panels or insulation.

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Quiz Review Timeline (Updated): Mar 17, 2023 +

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  • Current Version
  • Mar 17, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 04, 2018
    Quiz Created by
    Thomas

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