Term
| What factors are considered when selecting wire size for electrical power? |
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Definition
Allowable power loss
Permissible voltage drop
and current carrying ability |
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Term
| Where is the white position/navigation light mounted? |
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Definition
On the tail, always visible from the rear |
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Term
| What is a TRIP FREE circuit breaker? |
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Definition
Cannot be reset until the condition is corrected. |
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Term
| What type of electrical items may cause short-time demand loads on an electrical system? |
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Definition
Radio transmitter, landing gear and flap motor |
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Term
| What may be used to determine the size of an unmarked wire? |
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Definition
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Term
| Why should an electrical system be checked before a load increase? |
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Definition
| To determine that the wire, cable or protection device limit will not be exceeded |
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Term
| What instruments are used to monitor electrical loads? |
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Definition
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Term
| When should a switch be derated from its nominal rating? |
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Definition
When used in electrical motors, high rush in and inductive circuits |
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Term
| What color is a left wingtip light? |
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Definition
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Term
| Where is a circuit breaker located in a circuit? |
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Definition
| As close to the power source as possible |
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Term
| How many terminal lugs can be put on a single terminal strip in an aircraft? |
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Definition
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Term
| What could cause an AC electric motor to run fast? |
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Definition
| Excessive supply voltage or motor field winding's shorted |
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Term
| What controls the output voltage of an alternator? |
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Definition
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Term
| How can a particular wire in a bundle be identified? |
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Definition
| By the ID code on the wire |
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Term
| What causes an AC electric motor to run slow? |
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Definition
No lubrication, low applied voltage and defective wiring |
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Term
| What 3 faults are associated with electrical system malfunctions? |
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Definition
Low power, open and short circuits
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Term
| What size electrical conduit should be used? |
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Definition
| 25 percent larger than the maximum diameter of the wire bundle |
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Term
| What hardware is used to make bonding or grounding connections to a structure of dissimilar material? |
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Definition
| A sacrificial washer of suitable material |
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Term
| When do electric motors draw several times their rated current? |
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Definition
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Term
| How long should bonding jumper wires be? |
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Definition
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Term
| What should be done to a conduit end when fittings are not used? |
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Definition
| Flared to prevent wire insulation damage |
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Term
| During troubleshooting, when is a continuity check made? |
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Definition
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Term
| When is a circuit breaker designed to open? |
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Definition
| Before the conductor emits smoke |
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