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COLLIN CODES > Collin Gen Codes > Flashcards

Collin Gen Codes Flashcards

1
Q

What is the function of a current limiter?

A

A current limiter is a type of heavy-duty fuse, commonly with ratings of 30 amps or greater. They are often used to protect a section of an electrical system, such as a single electrical bus.

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2
Q

Which has the more critical center of gravity range, an airplane or a helicopter?

A

A helicopter.

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3
Q

Where is the center of gravity for most airplanes located in relation to the center of lift?

A

The CG is normally ahead of the center of lift.

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4
Q

How do you find the moment of an item installed in an aircraft?

A

Multiply the weight of the item in pounds by its distance from the datum in inches.

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5
Q

Where do you find the arm of an item installed in an aircraft?

A

In the Type Certificate Data Sheets or the aircraft equipment list.

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6
Q

What kind of measuring instrument is used to measure the runout of an aircraft engine crankshaft?

A

A dial indicator.

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7
Q

What measuring instruments are used to measure the fit between a rocker arm shaft and its bushing?

A

The outside diameter of the shaft is measured with a micrometer caliper. The inside of the bushing is measured with a telescoping gauge and the same micrometer caliper.

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8
Q

In what increments can a vernier micrometer caliper be read?

A

One ten thousandth (0.0001) inch.

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9
Q

What is an advantage of a vernier caliper over a micrometer caliper?

A

The range of a vernier caliper is far greater than that of a micrometer caliper.

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10
Q

What precision tool is used to measure piston ring side clearance?

A

Thickness gauge.

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11
Q

What precision tools are used to measure the inside diameter of a cylinder?

A

A telescoping gauge and a micrometer caliper.

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12
Q

What precision tools are used to measure the inside diameter of a small hole?

A

A small hole gauge and a micrometer caliper.

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13
Q

Why is it important that turbine fuel not be mixed with aviation gasoline used in an aircraft reciprocating engine?

A

The turbine engine fuel will cause the engine to detonate severely.

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14
Q

What is the danger of using fuel that vaporizes too readily?

A

Vapor lock can occur in the fuel lines. This will shut off the flow of fuel to the engine.

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15
Q

Where can you find a list of the basic items that must be inspected on a 100-hour inspection?

A

In 14 CFR Part 43, Appendix D.

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16
Q

What is meant by a progressive inspection?

A

An inspection that is approved by the FAA FSDO in which an aircraft is inspected according to an approved schedule.

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17
Q

What is meant by permanent maintenance records?

A

Permanent maintenance records are kept for the life of the aircraft and are transferred when a change in ownership occurs.

18
Q

What is the purpose of 14 CFR Part 43?

A

It describes maintenance, preventive maintenance, rebuilding, and alteration of certificated aircraft.

19
Q

What is preventive maintenance, who may perform preventive maintenance, and what maintenance record entries are required?

A

Preventive maintenance is limited to the list of items given in 24 CFR Part 43, Appendix A, and may not include any complex assemblies.

20
Q

Where does an aircraft mechanic find FAA approved maintenance data?

A

In the aircraft manufacturer’s maintenance manual and instructions for continued airworthiness.

21
Q

What precision tools are used to measure the inside diameter of a small hole?

A

A small hole gauge and a micrometer caliper.

22
Q

Why is it important that the fuel not be mixed with aviation gasoline used in an aircraft reciprocating engine?

A

The turbine engine fuel will cause the engine to detonate severely.

23
Q

What is the danger of using fuel that vaporizes too readily?

A

Vapor lock can occur in the fuel lines. This will shut off the flow of fuel to the engine.

24
Q

Where can you find a list of the basic items that must be inspected on a 100-hour inspection?

A

In 14 CFR Part 43, Appendix D.

25
Q

What is meant by a progressive inspection?

A

An inspection that is approved by the FAA F3DO in which an aircraft is inspected according to an approved schedule.

26
Q

What is meant by permanent maintenance records?

A

Permanent maintenance records are kept for the life of the aircraft and are transferred when a change in ownership occurs.

27
Q

What is the purpose of 14 CFR Part 43?

A

It describes maintenance, preventive maintenance, rebuilding, and alteration of certificated aircraft.

28
Q

What is preventive maintenance, who may perform preventive maintenance, and what maintenance record entries are required?

A

Preventive maintenance is limited to the list of items given in 14 CFR Part 43, Appendix A, and may not include any complex assemblies.

29
Q

Where does an aircraft mechanic find approved maintenance data?

A

In the aircraft manufacturer’s maintenance manual and Instructions for Continued Airworthiness, and in advisory circulars (including AC 48.13-1 and AC 43.13-2).

30
Q

What formula is used to find the amount of work done when an object is moved across a floor?

A

Work = Force x Distance

31
Q

What determines the mechanical advantage of an arrangement of ropes and pulleys?

A

The number of ropes that support the weight.

32
Q

What determines the mechanical advantage of a gear train?

A

The ratio between the number of teeth on the drive gear and the number of teeth on the driven gear.

33
Q

What is the proper type of nondestructive inspection to use for locating surface cracks in an aluminum alloy casting or forging?

A

Fluorescent or visual dye penetrant.

34
Q

What is the principle upon which ultrasonic inspection is based?

A

Any fault within a material will change the material’s resonant frequency. Comparing the resonant frequency of a known sound material with the material under test will indicate the presence of a fault.

35
Q

What is the procedure when making a dye penetrant inspection of a part?

A

Clean the part thoroughly, apply the penetrant, and allow it to soak for the recommended dwell time. Remove all of the penetrant from the surface and apply the developer.

36
Q

How would you describe an organization that has a positive safety culture?

A

An organization that has a set of shared beliefs and attitudes that promote safety through communication, training, and other actions within all levels of the workforce.

37
Q

What are four areas that are assessed in an organization when evaluating human factors relating to safety?

A

The PEAR model describes these areas as people (the workforce), the environment where people work, the actions people take, and the resources that are available.

38
Q

What is a safety management system (SMS) in an organization?

A

An SMS is a systematic approach to providing acceptable levels of safety risk within the organization. This approach ties together safety policy management, safety assurance, and safety promotion.

39
Q

What are the different types of human error?

A

Human errors can be grouped into omission, commission, and extraneous errors. Omission errors are tasks which should have been performed but were not. Commission errors are tasks which were done incorrectly. Extraneous errors occur when an individual performs a task that was not authorized.

40
Q

What is the difference between an active error and a latent error?

A

An active error is an error that is committed by the person doing the work. A latent error is one that comes from an administrative decision, a flaw in the system, or a culture that exists in a workplace. Latent errors may take a long time to be seen and usually show up as an active error that has its roots in the latent error.

41
Q

What are the different levels of consequences of human error?

A
  1. Little or no effect.
  2. Damage to equipment or hardware. The equipment or hardware can be replaced, but at a loss of time and financial setback.
  3. Personal injury. Injury to an aviation mechanic, aircraft operator, or passenger.
  4. Catastrophic damage (loss of life or loss of an aircraft).

COLLIN CODES (1 decks)

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