Joseph Whilden J
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Quiz 12

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Joseph Whilden J
Criado por Joseph Whilden J mais de 8 anos atrás
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2W151: Fundamentals of Electricity and Circuits - Quiz 12

Questão 1 de 33

1

Following repair actions, how do you check electrical equipment before testing?

Selecione uma das seguintes:

  • Visually

  • Electrically

  • Mechanically

  • Operationally

Explicação

Questão 2 de 33

1

Which technical order contains inspection and repair information that applies across all aircraft wiring systems?

Selecione uma das seguintes:

  • 1-1A-14

  • 1-11A-14

  • 14-1A-1

  • 11-1A-14

Explicação

Questão 3 de 33

1

When do you use compressed air for cleaning electrical equipment

Selecione uma das seguintes:

  • Only as the last resort

  • After using dry cleaner

  • Only when oil is applied

  • After using chemical cleaners

Explicação

Questão 4 de 33

1

What is the maximum allowable pressure to use when cleaning electrical equipment with compressed air?

Selecione uma das seguintes:

  • 15 psi

  • 20 psi

  • 25 psi

  • 30 psi

Explicação

Questão 5 de 33

1

To prevent chafing, the slack in a wiring harness between two support points normally should not exceed

Selecione uma das seguintes:

  • 1/4 inch

  • 3/8 inch

  • 1/2 inch

  • 5/8 inch

Explicação

Questão 6 de 33

1

What is the only real cure for wire chafing problems?

Selecione uma das seguintes:

  • Eliminating the need for fasteners

  • following proper maintenance procedures

  • Eliminating slack from all wiring harnesses

  • Eliminating the use of crimped or spliced wires

Explicação

Questão 7 de 33

1

Which method is not an acceptable way to prevent possible chaffing problems?

Selecione uma das seguintes:

  • Routing coaxial cables in the most direct way possible

  • Routing wires or bundles parallel to the ribs of the aircraft

  • Routing wires and bundles at right angles to the ribs of the aircraft

  • Routing wires and bundles back on themselves and placing the folds inside the bundle

Explicação

Questão 8 de 33

1

When installing aircraft wiring, you must ensure wires or wire bundles do not come within

Selecione uma das seguintes:

  • 1/2 inch of the edge of the hole when routed through a bulkhead opening and when a suitable grommet and clam is installed

  • 1 inch of the edge of a hole when routed through a bulkhead opening and when a suitable grommet and clam is installed

  • 1/2 inch of the edge of a hole when routed through a bulkhead opening and when a suitable grommet and clamp is installed

  • 1/4 inch of the edge of a hole when routed through a bulkhead opening and when a suitable grommet and clamp is installed

Explicação

Questão 9 de 33

1

Who initiates a one-time inspection if the sampled aircraft indicates a chafing problem or the detected chafing isn an operational safety hazard?

Selecione uma das seguintes:

  • Chief quality insurance inspector

  • Maintenance group commander

  • Production superintendent

  • Squadron commander

Explicação

Questão 10 de 33

1

A coaxial cable is protected on the outside by a

Selecione uma das seguintes:

  • Braided sleeve

  • metal braiding

  • dielectric material

  • tough outer jacket

Explicação

Questão 11 de 33

1

What is a primary function of the dielectric in coaxial cables?

Selecione uma das seguintes:

  • Providing a third highly insulated path for signals and low voltage current

  • Proving a low ohmic value conductor between the center and outer conductors

  • Maintaining a protective shield over the inner conductor to prevent transient radio frequency signal interference

  • Maintaining the relative position of the inner conductor inside the outer conductor and therefore keeping the capacitance between the two at a constant value

Explicação

Questão 12 de 33

1

Which standard defines implementation requirements of the aircraft/store electrical (fiber optic) Interconnection System (AEIS) in aircraft stores?

Selecione uma das seguintes:

  • MIL-STD-1760

  • MIL-STD-1670

  • MIL-STD-1060

  • MIL-STD-760

Explicação

Questão 13 de 33

1

When working with coaxial cable, you must never step on it, set anything heavy on it, or bend it sharply because doing so will

Selecione uma das seguintes:

  • Begin a weak point for future chaffing to occur

  • Cause a weak point for future corrosion to occur

  • Cause a weak point for radio frequency intrusion

  • Flatten the cable and change its electrical characteristics

Explicação

Questão 14 de 33

1

When installing a connector on coaxial cable, you must use care in starting the braid clamp nut into a plug or jack body to prevent

Selecione uma das seguintes:

  • Cross-threading

  • Damage to the center pin

  • Damage to the center socket

  • Damage to the cable dielectric

Explicação

Questão 15 de 33

1

Who should do electrical repairs?

Selecione uma das seguintes:

  • Anyone

  • Degreed personnel only

  • Certified personnel only

  • Qualified personnel only

Explicação

Questão 16 de 33

1

As a general rule, when you are working on electrical items, they should have the power

Selecione uma das seguintes:

  • Off for testing and on for maintenance

  • On for testing only

  • Off

  • On

Explicação

Questão 17 de 33

1

When performing measurements on energized circuits, meters should

Selecione uma das seguintes:

  • Not be used

  • Be held by a helper

  • Not be held in your hand

  • Be placed on the equipment tester

Explicação

Questão 18 de 33

1

When voltage is applied to equipment being repaired, personnel must

Selecione uma das seguintes:

  • Remove all nonessential tools from the workbench

  • Stay away from the workbench

  • Keep all tools on hand next to the equipment being repaired

  • Remove essential tools from the equipment being repaired

Explicação

Questão 19 de 33

1

What must you do to a salvaged protective boot before you re-install it?

Selecione uma das seguintes:

  • Heat it to restore its pliability

  • Clean it with a solvent and then heat it to restore its pliability

  • Clean it with a solvent and then coat it with an adhesive when thoroughly dry

  • Clean it with a solvent then let non-destructive inspection (NDI) personnel inspect it to verify its structural integrity

Explicação

Questão 20 de 33

1

When shrinking a protective boot for wiring, work slowly from the

Selecione uma das seguintes:

  • Inside to the outside

  • Connector to the braid end

  • Braid end tot he connector

  • Middle of the connector to either end

Explicação

Questão 21 de 33

1

What is the only heat gun presently authorized around fueled aircraft?

Selecione uma das seguintes:

  • Electrical motor driven heat guns

  • Positive pressure, fully contained flame units

  • Soldering gun mounted fan/heat pump

  • Compressed air/nitrogen heat gun kit

Explicação

Questão 22 de 33

1

What do you use to make a spot tie on silicone tape when repairing a wire braid?

Selecione uma das seguintes:

  • Plastic pull-ties

  • Dacron lacing tape

  • Nylon lacing tape

  • Waxed lacing string

Explicação

Questão 23 de 33

1

The indicating band on the working end of the solderless connector insertion tool determines the

Selecione uma das seguintes:

  • Correct gauge wire to use

  • Proper size crimp to be made

  • Correct depth to insert the tool

  • Proper length to strip the insulation off the wire

Explicação

Questão 24 de 33

1

You must never use pin insertion tools with burrs or sharp edges because they

Selecione uma das seguintes:

  • Can present the insulation of the wire attached to the pin you are trying to install

  • Present a hazard to the operator possibly causing laceration tooth fingers or other parts of the hands

  • Can cut through the grommet wire sealing webs and destroy the environment sealing capabilities of a connector

  • Can scrape off the letter or number marking on the back of the connector making it more difficult to ensure correct pin insertion

Explicação

Questão 25 de 33

1

Similar to contact insertion tools, extraction tools for solder less connectors are

Selecione uma das seguintes:

  • Of solid construction

  • For pin contacts only

  • For socket contacts only

  • Of different sizes for each contact

Explicação

Questão 26 de 33

1

Chaffing is nothing more than some type of constant friction between wiring harnesses and electrical components or between wiring harnesses and the structure to which they are attached.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 27 de 33

1

Interior chaffing of a wire is the most common form of chaffing

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 28 de 33

1

the wings weapons manager monitors and tracks instances of wire, harness, and metal lines/tube chaffing

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 29 de 33

1

You can interchange cables with different types of dielectric if they are of the same physical and electrical characteristics.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 30 de 33

1

Coaxial cable consists of an inner (center) conductor separated rom the outer conducted, usually called a shield, by an insulating dielectric

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 31 de 33

1

You may split coaxial cable anytime you feel it is necessary to split it.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 32 de 33

1

When is a safety observe required when applying voltage?

Selecione uma das seguintes:

  • When voltage is over 50 volts

  • When voltage is under 50 volts

  • When voltage is over 300 volts

  • When voltage is under 300 volts

Explicação

Questão 33 de 33

1

When installing crimp type contacts, you should fill all unused holes of a connector with unwired contacts and sealing plugs.

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação