Hydro CDC Review Test

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  • 1/220 Questions

    If a hydraulic journeymen overhauls an aircraft landing gear actuator in-shop, what category of maintenance is it?

    • Depot
    • Operational
    • On-equipment
    • Off-equipment
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About This Quiz

The 'Hydro CDC Review Test' assesses knowledge in aerospace maintenance, focusing on tasks like aircraft landing gear actuator overhaul, maintenance levels, and squadron responsibilities. It evaluates equipment condition, personnel proficiency, and uses systems like IMDS for maintenance documentation.

Hydro CDC Review Test - Quiz

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  • 2. 

    What level of Maintenance is described as "maintenance consisting of those tasks performed using the highly specialized skills, sophisticated shop equipment, or special facilities of a supporting command, commercial activity, or inter-service agency at a technology repair center or centralized repair facility".

    • Depot

    • Operational

    • Intermediate

    • Organizational

    Correct Answer
    A. Depot
    Explanation
    Depot level maintenance refers to the maintenance tasks that require specialized skills, sophisticated equipment, or special facilities provided by a supporting command, commercial activity, or inter-service agency at a technology repair center or centralized repair facility. This level of maintenance is typically performed on complex equipment or systems that cannot be repaired at lower levels of maintenance.

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  • 3. 

    Which person directs the overall maintenance effort for their unit?

    • Maintenance superintendent

    • Production superintendent

    • Flight commander/chief

    • Section/element chief

    Correct Answer
    A. Production superintendent
    Explanation
    The production superintendent is responsible for overseeing and managing the overall maintenance effort within their unit. They are in charge of ensuring that all maintenance activities are carried out efficiently and effectively to support production goals. This includes coordinating resources, assigning tasks, and monitoring progress to ensure that maintenance operations are running smoothly. The production superintendent plays a crucial role in maintaining the unit's equipment and facilities, ensuring that they are in optimal condition to support production operations.

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  • 4. 

    When a transient aircraft arrives at a base, the

    • Pilot requests recovery assistance from the maintenance operations squadron (MOS).

    • Aircraft maintenance squadron (AMXS) is responsible for aircraft servicing.

    • Pilot coordinates with the maintenance squadron (MXS) for launch requirements.

    • Post- an pre-flight inspections are conducted by the MOS.

    Correct Answer
    A. Aircraft maintenance squadron (AMXS) is responsible for aircraft servicing.
    Explanation
    The given answer is correct because it states that the aircraft maintenance squadron (AMXS) is responsible for aircraft servicing. This means that the AMXS is in charge of ensuring that the aircraft is properly maintained and serviced, including tasks such as refueling, engine checks, and other necessary maintenance procedures. The other statements in the question, such as the pilot requesting recovery assistance from the MOS and coordinating with the MXS for launch requirements, are not related to aircraft servicing. Additionally, the statement about post- and pre-flight inspections being conducted by the MOS is incorrect, as these inspections are typically performed by the AMXS.

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  • 5. 

    What  integrated Maintenance Data System (IMDS) subsystem provides an on-line capability for maintenance personnel to document, inquire, and produce retrievals of maintenance actions?

    • Job Data Documentation (JDD).

    • Maintenance Personnel.

    • Training Management.

    • Maintenance Events.

    Correct Answer
    A. Job Data Documentation (JDD).
    Explanation
    The correct answer is Job Data Documentation (JDD). This subsystem of the Integrated Maintenance Data System (IMDS) allows maintenance personnel to document, inquire, and retrieve maintenance actions online. It provides a platform for recording and managing job-related data, facilitating effective maintenance tracking and reporting.

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  • 6. 

    If you initiate a new Air Force Technical Order (AFTO) form 781A, what kind of discrepancies cannot be transferred to the AFTO Form 781K?

    • Red X.

    • Red dash.

    • Red diagonal.

    • Discrepancies with a supply document number.

    Correct Answer
    A. Red X.
    Explanation
    When initiating a new AFTO Form 781A, the discrepancies that cannot be transferred to the AFTO Form 781K are those marked with a Red X. A Red X indicates a condition that is unsafe or not in accordance with technical orders and must be fixed before the aircraft can be operated. Therefore, these discrepancies need to be addressed separately and cannot be transferred to the AFTO Form 781K, which is used for recording and tracking maintenance actions.

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  • 7. 

    What section of Air Force Technical Order(AFTO) Form 244 lists discrepancies pertinent to the flight-line mechanic?

    • II.

    • III.

    • IV.

    • V.

    Correct Answer
    A. V.
    Explanation
    Section V of Air Force Technical Order (AFTO) Form 244 lists discrepancies pertinent to the flight-line mechanic. This section is specifically dedicated to recording any issues or problems that the mechanic may encounter while working on the flight-line. It serves as a reference for tracking and addressing these discrepancies, ensuring that they are properly documented and addressed for maintenance purposes.

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  • 8. 

    How would you write 19 Jan 2011 on an aircraft or support equipment maintenance form?

    • 01/19/11.

    • 19/01/11

    • 20110119

    • 01192011

    Correct Answer
    A. 20110119
    Explanation
    The correct answer is "20110119". This is the correct format for writing the date in a numerical format according to the question. The format follows the order of year, month, and day, with each component represented by two digits.

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  • 9. 

    What symbol in the aircraft forms represents the least serious condition?

    • Red X.

    • Red dash.

    • Red diagonal.

    • Red asterisk

    Correct Answer
    A. Red diagonal.
    Explanation
    The red diagonal symbol in an aircraft represents the least serious condition. This symbol is used to indicate a minor fault or discrepancy that does not pose a significant risk to the safety or operation of the aircraft. It signifies a condition that may require attention or maintenance, but it is not considered critical or urgent. The other symbols, such as the red X, red dash, and red asterisk, typically represent more serious or critical conditions that require immediate attention or action.

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  • 10. 

    If you determine that a condition is more serious than represented by the red symbol on the Air Force technical Order (AFTO) Form 244/245, you would

    • Notify you squadron superintendent, red flag the aircraft and standby for further instruction.

    • Change the symbol yourself, line through the name of the individual who made the original entry and enter your signature, grade and employee number.

    • Initiate a new AFTO Form 244/245 annotating your justification for making the condition and reference it back to the original entry, to include page and entry number.

    • Request permission of the production supervisor to change the symbol, and annotate the name and decision of the production supervisor above or beside the DISCOVERED BY block.

    Correct Answer
    A. Change the symbol yourself, line through the name of the individual who made the original entry and enter your signature, grade and employee number.
    Explanation
    If you determine that a condition is more serious than represented by the red symbol on the Air Force technical Order (AFTO) Form 244/245, you would change the symbol yourself, line through the name of the individual who made the original entry and enter your signature, grade, and employee number. This is because you have identified a more serious condition and need to update the form accordingly. By crossing out the name of the individual who made the original entry and adding your own information, you are taking responsibility for the updated entry.

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  • 11. 

    Which term is not an element of the maintenance training program?

    • Upgrade training

    • Maintenance management training

    • Qualification training

    • Cross-utilization training

    Correct Answer
    A. Cross-utilization training
    Explanation
    Cross-utilization training is not an element of the maintenance training program because it refers to training individuals in multiple job roles or functions, allowing them to perform different tasks within an organization. While it may be beneficial for cross-training purposes, it is not specifically focused on maintenance training. The other options, upgrade training, maintenance management training, and qualification training, are all directly related to the skills and knowledge required for maintenance tasks and responsibilities.

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  • 12. 

    Which aircraft periodic inspection is used to detect defects that could have developed during ground operations of an aircraft? 

    • Preflight.

    • Postflight.

    • Thruflight.

    • End-of-runway.

    Correct Answer
    A. End-of-runway.
    Explanation
    The end-of-runway inspection is conducted after the aircraft has completed its ground operations and is ready to take off. This inspection is specifically designed to detect any defects or issues that may have occurred during ground operations, such as damage to the landing gear, tires, or other critical components. It ensures that the aircraft is in a safe and airworthy condition before it takes off.

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  • 13. 

    Which isochronal aircraft inspection is a "thorough and searching" inspection of the aircraft?

    • Minor.

    • Major.

    • Postflight.

    • Home station check.

    Correct Answer
    A. Major.
    Explanation
    A major isochronal aircraft inspection is considered a "thorough and searching" inspection of the aircraft. This type of inspection involves a detailed examination of all major components and systems, including engines, landing gear, control surfaces, and avionics. It is usually conducted at regular intervals, such as every 12 months, to ensure the aircraft's airworthiness and identify any potential issues or maintenance requirements. The major inspection is comprehensive and involves extensive checks and tests to ensure the aircraft's safety and operational readiness.

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  • 14. 

    Which major command (MAJCOM) operates the entire Air Force material management system?

    • Air Force global Special Code (AFGSC)

    • Air Force Material Command (AFMC)

    • Air Force Regional Command (AFRC)

    • Armed Management Command (AMC)

    Correct Answer
    A. Air Force Material Command (AFMC)
    Explanation
    The correct answer is Air Force Material Command (AFMC). The AFMC is responsible for operating the entire Air Force material management system. They oversee the acquisition, sustainment, and distribution of all Air Force equipment and supplies. This includes everything from aircraft and weapons systems to uniforms and spare parts. The AFMC plays a crucial role in ensuring that the Air Force has the necessary resources to carry out its missions effectively.

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  • 15. 

    What doe the second position of an expendability/recoverability/reparability category (ERRC) code identify about an item?

    • Expense (EXP).

    • Non-expendability.

    • Highest repair level.

    • Investment (INVEST)

    Correct Answer
    A. Highest repair level.
    Explanation
    The second position of an ERRC code identifies the highest repair level of an item. This means that the code indicates whether the item can be repaired at the organizational level, intermediate level, or depot level. The higher the repair level, the more extensive and complex the repairs required for the item. Therefore, the correct answer is "Highest repair level."

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  • 16. 

    How often does the Defense Logistics Agency (DLA) issue Federal Logistics (FED LOG) compact disks?

    • Daily

    • Monthly

    • Quarterly

    • Annually

    Correct Answer
    A. Monthly
    Explanation
    The Defense Logistics Agency (DLA) issues Federal Logistics (FED LOG) compact disks on a monthly basis. This means that the compact disks are released once every month.

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  • 17. 

    While conducting an inventory of bench stock you notice a due-out card in one of the bins which indicates the

    • The part has been deleted.

    • Part is already on order.

    • Quantity is below 50 percent.

    • Part is sub-located to a different bin.

    Correct Answer
    A. Part is already on order.
    Explanation
    The correct answer is "part is already on order." When conducting an inventory of bench stock and finding a due-out card in one of the bins, it indicates that the part has already been ordered and is expected to arrive soon. This means that the part is not currently available in the inventory but will be replenished once it arrives.

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  • 18. 

    What design feature is incorporated into the revolving aspect of a stock fund?

    • Inventory items are automatically replenished back into the fund.

    • The fund inventories are physically located at one location.

    • Cash in the fund cannot be exchanged for inventory items.

    • The fund is self-sustaining.

    Correct Answer
    A. The fund is self-sustaining.
    Explanation
    The revolving aspect of a stock fund means that the fund is able to sustain itself over time without needing external sources of funding. This suggests that the fund is designed in a way that allows it to generate enough income or returns from its investments to cover its expenses and continue operating without relying on additional capital injections. Therefore, the correct answer is that the fund is self-sustaining.

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  • 19. 

    On what Air Force form must Demand Processing have certain information recorded on before an item is issued from supply?

    • 1297

    • 2004

    • 2005

    • 350

    Correct Answer
    A. 2005
    Explanation
    The correct answer is 2005 because this Air Force form is specifically designed for recording certain information before issuing an item from supply. The other options (1297, 2004, and 350) are not relevant to this specific requirement.

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  • 20. 

    What supply condition tag would be attached to a part that has been repaired and ready to be turned into supply?

    • DD Form 1297

    • DD Form 1574

    • DD Form 1577

    • DD Form 1577-2

    Correct Answer
    A. DD Form 1574
  • 21. 

    What supply condition tag is attached to an item that has been marked as worn or damaged beyond economical repair?

    • DD Form 1297

    • DD Form 1574

    • DD Form 1577

    • DD Form 1577-2

    Correct Answer
    A. DD Form 1577
    Explanation
    The DD Form 1577 is the correct answer because it is the supply condition tag that is attached to an item that has been marked as worn or damaged beyond economical repair. This form is used to document the condition of the item and indicate that it is no longer usable or repairable.

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  • 22. 

    Within how many days must the originator forward the draft deficiency report (DR) to the originating point once a defect is identified for a Category I deficiency?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 1
    Explanation
    The originator must forward the draft deficiency report (DR) to the originating point within 1 day once a defect is identified for a Category I deficiency.

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  • 23. 

    Within how many workdays must the originator forward to the originating point a Category II, Deficiency Report (DR) submitted for a defect in workmanship?

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 3
    Explanation
    The correct answer is 3 because according to the question, the originator must forward a Category II Deficiency Report (DR) to the originating point within a certain number of workdays. Out of the given options, 3 is the only number that fits this requirement.

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  • 24. 

    Whom is Air Force property responsibility is imposed "by law' upon"?

    • Commanders only

    • All military employees

    • Commanders and supervisors only

    • All military and civilian employees

    Correct Answer
    A. All military and civilian employees
    Explanation
    The responsibility for Air Force property is imposed "by law" upon all military and civilian employees. This means that everyone working in the Air Force, regardless of their rank or position, is legally obligated to take care of and be responsible for any Air Force property that they are entrusted with. This ensures that there is accountability and proper management of the Air Force's assets, equipment, and resources.

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  • 25. 

    What types of property responsibility can be charged to Air Force personnel?

    • Custodial and individual

    • Command and Custodial

    • Individual and supervisory

    • Command and suppervisory

    Correct Answer
    A. Command and Custodial
    Explanation
    Air Force personnel can be charged with both command and custodial property responsibility. Command responsibility refers to the overall accountability for property within their unit or command, including ensuring proper use, maintenance, and safeguarding of the property. Custodial responsibility, on the other hand, refers to the specific responsibility of an individual for the care, custody, and safekeeping of a particular item or group of items. Therefore, Air Force personnel can be held accountable for both the overall command responsibility and the specific custodial responsibility of property.

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  • 26. 

    If you are in physical possession of a piece of Government property, what kind of responsibility have you assumed?

    • Command

    • Custodial

    • Assumed

    • Direct

    Correct Answer
    A. Custodial
    Explanation
    When you are in physical possession of a piece of Government property, you have assumed custodial responsibility. This means that you are responsible for the care, maintenance, and safekeeping of the property. You are expected to ensure that the property is used appropriately and that it is protected from loss, damage, or theft. Custodial responsibility also includes keeping accurate records of the property, reporting any issues or incidents, and following any guidelines or regulations related to the use and storage of the property.

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  • 27. 

    How can personnel be relieved from property responsibility?

    • Turn-in only.

    • Turn-in or transfer

    • Supply's recommendation

    • Commander's recommendation

    Correct Answer
    A. Turn-in or transfer
    Explanation
    Personnel can be relieved from property responsibility by either turning in the property or transferring it to someone else. This means they can either return the property to the appropriate authority or pass it on to another individual who will then assume responsibility for it. This allows for the efficient management and accountability of property within an organization.

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  • 28. 

    Which technical order (TO) tells us how to maintain and inspect a particular weapons system?

    • Technical manual (TM)

    • Abbreviated technical order

    • Time compliance technical order (TCTO)

    • Methods and procedures technical order (MPTO)

    Correct Answer
    A. Technical manual (TM)
    Explanation
    A technical manual (TM) provides detailed instructions on how to maintain and inspect a specific weapons system. It outlines the procedures, methods, and steps that need to be followed to ensure the proper functioning and longevity of the system. TMs are comprehensive guides that cover various aspects of the system, including troubleshooting, repair, and safety precautions. They are essential resources for technicians and operators to reference when performing maintenance tasks and ensuring the system's operational readiness.

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  • 29. 

    What is the minimum amount of number groups that each technical order (TO) number has within the basic TO numbering system?

    • Two.

    • Three

    • Four

    • Five

    Correct Answer
    A. Three
    Explanation
    Each technical order (TO) number in the basic TO numbering system has a minimum of three number groups.

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  • 30. 

    Revisions are made instead of changes when the basic technical order (TO) consists of

    • Eight pages or more

    • Eight pages or less

    • Nine pages

    • Ten pages

    Correct Answer
    A. Eight pages or less
    Explanation
    When the basic technical order (TO) consists of eight pages or less, revisions are made instead of changes. This means that if the TO is relatively short, any updates or modifications to it will be made through revisions rather than creating a completely new version. This allows for easier management and distribution of the TO, as well as ensuring that the most up-to-date information is available to users without creating unnecessary clutter or confusion.

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  • 31. 

    Safety and operational supplements to technical orders (TO) should be filed in

    • Reverse sequence behind the basic TO

    • Numerical sequence behind the basic TO

    • Reverse sequence in front of the basic TO

    • Numerical sequence in front of the basic TO

    Correct Answer
    A. Reverse sequence in front of the basic TO
    Explanation
    Safety and operational supplements to technical orders (TO) should be filed in reverse sequence in front of the basic TO. This means that the most recent supplements should be placed at the front, followed by the older ones, and finally the basic TO. This arrangement ensures that the most up-to-date information is easily accessible and prioritized.

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  • 32. 

    When temporarily allowing a potentially dangerous condition to exist, you must

    • Brief all personnel

    • Post warning signs

    • Inform the commander

    • Call the base safety office

    Correct Answer
    A. Post warning signs
    Explanation
    When temporarily allowing a potentially dangerous condition to exist, it is important to post warning signs. This is necessary to alert and inform all personnel about the potential danger and ensure their safety. By posting warning signs, individuals can take necessary precautions and avoid any harm or accidents that may occur due to the dangerous condition. It is a crucial step in preventing any potential injuries or incidents and ensuring that everyone is aware of the existing danger.

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  • 33. 

    Which Air Force Instruction (AFI) covers personal protective equipment?

    • 91-301

    • 91-203

    • 48-137

    • 48-14

    Correct Answer
    A. 91-203
    Explanation
    Air Force Instruction (AFI) 91-203 covers personal protective equipment.

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  • 34. 

    Hazardous noise is the exposure equal to more than

    • 54 decibels (dB)

    • 64 dB

    • 74 dB

    • 84 dB

    Correct Answer
    A. 84 dB
    Explanation
    Hazardous noise refers to exposure to sound levels that can cause damage to the hearing system. The correct answer is 84 dB because this level of noise is considered to be extremely loud and can lead to permanent hearing loss if exposure is prolonged. It is important to protect oneself from such high levels of noise by using ear protection devices and minimizing exposure whenever possible.

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  • 35. 

    Nitrogen is preferred over compressed air for servicing components because it

    • Can be extracted from the atmosphere

    • Is made up of hydrocarbons

    • Contains less moisture

    • Is oil-tolerant

    Correct Answer
    A. Contains less moisture
    Explanation
    Nitrogen is preferred over compressed air for servicing components because it contains less moisture. Moisture can cause corrosion and damage to the components, especially in sensitive systems. By using nitrogen, which has lower moisture content compared to compressed air, the risk of moisture-related issues is reduced, ensuring better performance and longer lifespan of the serviced components.

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  • 36. 

    Which mishap prevention tag is used to warn personnel against potential hazards?

    • Danger

    • Caution

    • Do not start

    • Out of order

    Correct Answer
    A. Caution
    Explanation
    The correct answer is "Caution." The caution tag is used to warn personnel against potential hazards. It indicates that there may be a risk of injury or danger in a particular area or situation. This tag is typically used to prevent accidents and ensure the safety of individuals by alerting them to exercise caution and take necessary precautions.

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  • 37. 

    Use the Do Not Start tag for which condition?

    • An immediate existing hazard

    • A hazard which might be present

    • A warning needed against unsafe practices

    • A few moments until the energy source can be locked out

    Correct Answer
    A. A few moments until the energy source can be locked out
    Explanation
    The "Do Not Start" tag should be used when there are only a few moments left until the energy source can be locked out. This indicates that starting the energy source at that time could be dangerous or result in an unsafe situation. The tag serves as a warning to prevent anyone from starting the energy source prematurely and ensures that proper lockout procedures can be followed to ensure safety.

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  • 38. 

    Which Air Force Instruction (AFI) provides complete guidance on the lock-out/tag-out program?

    • 91-501

    • 48-102

    • 48-145

    • 91-203

    Correct Answer
    A. 91-203
    Explanation
    Air Force Instruction (AFI) 91-203 provides complete guidance on the lock-out/tag-out program. This instruction outlines the procedures and requirements for safely isolating hazardous energy sources to prevent accidental startup or release of stored energy. It covers the responsibilities of personnel involved in the lock-out/tag-out process, as well as the necessary training and documentation. By following AFI 91-203, the Air Force ensures the safety of its personnel and prevents potential accidents or injuries related to hazardous energy sources.

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  • 39. 

    What does a painted stripe on the side of an aircraft engine indicate?

    • Engine intake danger area

    • Turbine plane of rotation

    • Engine exhaust area

    • Turbine safety zone

    Correct Answer
    A. Turbine plane of rotation
    Explanation
    A painted stripe on the side of an aircraft engine indicates the turbine plane of rotation. This stripe is typically painted on the engine casing and helps maintenance personnel visually identify the area where the turbine blades are located. It serves as a safety precaution to prevent accidental contact with the rotating turbine, which could result in serious injury or damage to the engine. By marking the turbine plane of rotation, it helps ensure that maintenance tasks are performed safely and that personnel are aware of the potentially hazardous area.

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  • 40. 

    What is the closest in number of feet you should stand in front of a rotating propeller?

    • 20

    • 25

    • 45

    • 50

    Correct Answer
    A. 25
    Explanation
    The correct answer is 25. When standing in front of a rotating propeller, it is important to maintain a safe distance to avoid any potential hazards. Standing too close to a rotating propeller can result in serious injury or even death. Therefore, it is recommended to stand at least 25 feet away from a rotating propeller to ensure personal safety.

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  • 41. 

    What method is used to certify individuals to work on or near nuclear weapons?

    • Nuclear Surety Program

    • Tamper Detection Program

    • Personnel Reliability Program

    • Personnel Accountability Program

    Correct Answer
    A. Personnel Reliability Program
    Explanation
    The Personnel Reliability Program is used to certify individuals to work on or near nuclear weapons. This program ensures that personnel who have access to nuclear weapons are reliable and trustworthy, as their actions can have significant consequences. It involves thorough background checks, regular psychological evaluations, and continuous monitoring to ensure the individuals meet the necessary standards of reliability and security.

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  • 42. 

    Which statement is not a step in the certificate process for the Personnel Reliability Program (PRP)?

    • Interviewing your spouse

    • Special investigation

    • Personnel interview

    • Reviewing history

    Correct Answer
    A. Interviewing your spouse
    Explanation
    Interviewing your spouse is not a step in the certificate process for the Personnel Reliability Program (PRP). The PRP is a program that ensures personnel with access to nuclear weapons are reliable and trustworthy. The steps in the certificate process typically include a special investigation, personnel interview, and reviewing the individual's history. However, interviewing the spouse of the individual is not a part of this process.

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  • 43. 

    What program directs the installation of seals and indicators to verify that no one has tampered with or accidentally activated a certified critical componennt?

    • Tamper Control Program

    • Nuclear Surety Program

    • Tamper Detection Program

    • Personnel Reliability Program

    Correct Answer
    A. Tamper Detection Program
    Explanation
    The Tamper Detection Program is responsible for directing the installation of seals and indicators to ensure that no one has tampered with or accidentally activated a certified critical component. This program is designed to detect any unauthorized access or tampering with important equipment or systems. It plays a crucial role in maintaining the integrity and security of critical components.

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  • 44. 

    A moving automobile, a moving stream of water, and the wind are examples of what type energy?

    • Potential

    • Kinetic

    • Static

    • Solar

    Correct Answer
    A. Kinetic
    Explanation
    A moving automobile, a moving stream of water, and the wind all possess kinetic energy. Kinetic energy is the energy of an object in motion. In the case of the automobile, the energy comes from the movement of its engine and wheels. The moving stream of water carries kinetic energy due to the flow and movement of the water molecules. Similarly, the wind possesses kinetic energy as it moves and carries energy from one place to another. Therefore, all three examples mentioned are instances of kinetic energy.

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  • 45. 

    What is the term used to describe the force that propels an aircraft forward?

    • Acceleration

    • Thrust

    • Energy

    • Drag

    Correct Answer
    A. Thrust
    Explanation
    Thrust is the force that propels an aircraft forward. It is generated by the engines of the aircraft, which produce a high-speed exhaust that pushes against the air, creating a forward motion. Thrust is essential for overcoming drag and allowing the aircraft to move through the air and maintain its speed and altitude. Acceleration refers to the rate of change of velocity and is not specific to aircraft propulsion. Energy is a general term that encompasses various forms of power, while drag is the resistance force that opposes the motion of an aircraft.

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  • 46. 

    If the lift of an aircraft is equivalent to its weight, theoretically, the aircraft should

    • Climb slowly

    • Descend slowly

    • Roll to the right or left

    • Maintain a constant altitude

    Correct Answer
    A. Maintain a constant altitude
    Explanation
    If the lift of an aircraft is equivalent to its weight, it means that the upward force generated by the wings is equal to the downward force due to the weight of the aircraft. In this scenario, the aircraft would maintain a constant altitude because the opposing forces are balanced. The lift force counteracts the weight force, allowing the aircraft to neither climb nor descend. Rolling to the right or left is not related to the lift being equivalent to weight, so it is not a correct answer.

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  • 47. 

    What are aircraft "special brakes" used for?

    • Increase air drag, decreasing landing distance

    • Increase wheel brake efficiency, decreasing landing distance

    • Reverse engine thrust, decreasing landing distance

    • Reverse engine thrust, decreasing maintenance down time

    Correct Answer
    A. Increase air drag, decreasing landing distance
    Explanation
    Aircraft "special brakes" are used to increase air drag, which in turn decreases the landing distance. By increasing air drag, the brakes help to slow down the aircraft more effectively during landing, allowing for a shorter distance required to come to a complete stop. This is important for safety reasons and to ensure efficient use of runway space.

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  • 48. 

    What type corrosion is described as the intergranular or transgranular cracking of a metal caused by the combined effects of constant tensile stress and corrosion?

    • Exfoliation

    • Intergranular

    • Stress corrosion cracking

    • Crevice or concentration cell

    Correct Answer
    A. Stress corrosion cracking
    Explanation
    Stress corrosion cracking is a type of corrosion that occurs when a metal is subjected to constant tensile stress and corrosion. This combination of factors leads to intergranular or transgranular cracking of the metal. The stress weakens the metal's resistance to corrosion, making it more susceptible to cracking. This type of corrosion is particularly dangerous as it can occur without any visible signs, making it difficult to detect and prevent.

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  • 49. 

    What are the two types of penetrant inspection?

    • Fluorescent and dye

    • Eddy current and dye

    • Fluorescent and magnetic particle

    • Magnetic particle and eddy current

    Correct Answer
    A. Fluorescent and dye
    Explanation
    The two types of penetrant inspection are fluorescent and dye. Fluorescent penetrant inspection involves the use of a fluorescent dye that is applied to the surface of a material and then illuminated with ultraviolet light. This allows any defects or cracks in the material to be easily seen under the fluorescent light. Dye penetrant inspection, on the other hand, uses a colored dye that is applied to the surface of a material and allowed to seep into any cracks or defects. The excess dye is then wiped away, and a developer is applied to make any remaining dye more visible.

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  • Feb 13, 2024
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  • Jun 23, 2017
    Quiz Created by
    Andrew Van

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