Joseph Whilden J
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Quiz 12

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Joseph Whilden J
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2W151: Fundamentals of Electricity and Circuits - Quiz 12

2W151: Fundamentals of Electricity and Circuits - Quiz 12

Question 1 of 33

1

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

Select one of the following:

  • Visually

  • Electrically

  • Mechanically

  • Operationally

Explanation

Question 2 of 33

1

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

Select one of the following:

  • 1-1A-14

  • 1-11A-14

  • 14-1A-1

  • 11-1A-14

Explanation

Question 3 of 33

1

When do you use compressed air for cleaning electrical equipment

Select one of the following:

  • Only as the last resort

  • After using dry cleaner

  • Only when oil is applied

  • After using chemical cleaners

Explanation

Question 4 of 33

1

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

Select one of the following:

  • 15 psi

  • 20 psi

  • 25 psi

  • 30 psi

Explanation

Question 5 of 33

1

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

Select one of the following:

  • 1/4 inch

  • 3/8 inch

  • 1/2 inch

  • 5/8 inch

Explanation

Question 6 of 33

1

What is the only real cure for wire chafing problems?

Select one of the following:

  • Eliminating the need for fasteners

  • following proper maintenance procedures

  • Eliminating slack from all wiring harnesses

  • Eliminating the use of crimped or spliced wires

Explanation

Question 7 of 33

1

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

Select one of the following:

  • 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

Explanation

Question 8 of 33

1

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

Select one of the following:

  • 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

Explanation

Question 9 of 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?

Select one of the following:

  • Chief quality insurance inspector

  • Maintenance group commander

  • Production superintendent

  • Squadron commander

Explanation

Question 10 of 33

1

A coaxial cable is protected on the outside by a

Select one of the following:

  • Braided sleeve

  • metal braiding

  • dielectric material

  • tough outer jacket

Explanation

Question 11 of 33

1

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

Select one of the following:

  • 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

Explanation

Question 12 of 33

1

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

Select one of the following:

  • MIL-STD-1760

  • MIL-STD-1670

  • MIL-STD-1060

  • MIL-STD-760

Explanation

Question 13 of 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

Select one of the following:

  • 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

Explanation

Question 14 of 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

Select one of the following:

  • Cross-threading

  • Damage to the center pin

  • Damage to the center socket

  • Damage to the cable dielectric

Explanation

Question 15 of 33

1

Who should do electrical repairs?

Select one of the following:

  • Anyone

  • Degreed personnel only

  • Certified personnel only

  • Qualified personnel only

Explanation

Question 16 of 33

1

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

Select one of the following:

  • Off for testing and on for maintenance

  • On for testing only

  • Off

  • On

Explanation

Question 17 of 33

1

When performing measurements on energized circuits, meters should

Select one of the following:

  • Not be used

  • Be held by a helper

  • Not be held in your hand

  • Be placed on the equipment tester

Explanation

Question 18 of 33

1

When voltage is applied to equipment being repaired, personnel must

Select one of the following:

  • 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

Explanation

Question 19 of 33

1

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

Select one of the following:

  • 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

Explanation

Question 20 of 33

1

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

Select one of the following:

  • Inside to the outside

  • Connector to the braid end

  • Braid end tot he connector

  • Middle of the connector to either end

Explanation

Question 21 of 33

1

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

Select one of the following:

  • Electrical motor driven heat guns

  • Positive pressure, fully contained flame units

  • Soldering gun mounted fan/heat pump

  • Compressed air/nitrogen heat gun kit

Explanation

Question 22 of 33

1

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

Select one of the following:

  • Plastic pull-ties

  • Dacron lacing tape

  • Nylon lacing tape

  • Waxed lacing string

Explanation

Question 23 of 33

1

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

Select one of the following:

  • 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

Explanation

Question 24 of 33

1

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

Select one of the following:

  • 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

Explanation

Question 25 of 33

1

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

Select one of the following:

  • Of solid construction

  • For pin contacts only

  • For socket contacts only

  • Of different sizes for each contact

Explanation

Question 26 of 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.

Select one of the following:

  • True
  • False

Explanation

Question 27 of 33

1

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

Select one of the following:

  • True
  • False

Explanation

Question 28 of 33

1

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

Select one of the following:

  • True
  • False

Explanation

Question 29 of 33

1

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

Select one of the following:

  • True
  • False

Explanation

Question 30 of 33

1

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

Select one of the following:

  • True
  • False

Explanation

Question 31 of 33

1

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

Select one of the following:

  • True
  • False

Explanation

Question 32 of 33

1

When is a safety observe required when applying voltage?

Select one of the following:

  • When voltage is over 50 volts

  • When voltage is under 50 volts

  • When voltage is over 300 volts

  • When voltage is under 300 volts

Explanation

Question 33 of 33

1

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

Select one of the following:

  • True
  • False

Explanation

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