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MyAGK > E Controls and Protections > Flashcards

E Controls and Protections Flashcards

1
Q

Aircraft convention for an on switch?

A

In the up position

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2
Q

What colour is the battery master switch?

A

Red

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3
Q

What are the different types of switches?

A
  • Toggle
  • Rocker
  • Push button
  • Rotary
  • Guarded
  • Automatic/Semi-automatic
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4
Q

What does a white push button switch mean?

A

Abnormal, off position

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5
Q

What does a amber push button switch mean?

A

Caution

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6
Q

What does a red push button switch mean?

A

Warning

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7
Q

What does a blue push button switch mean?

A

On

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8
Q

What does a green push button switch mean?

A

Available (avail)

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9
Q

What does a double dot push button switch mean?

A

Signifies that part of the switch is not used

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10
Q

What is the danger of automatic/semi-automatic switches?

A

Failure to notice the operation of these switches can lead to confusion

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11
Q

3 types of circuit protection?

A
  • Cartridge fuse
  • Thermal circuit breaker
  • Thermo-magnetic circuit breaker
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12
Q

What do thermo circuit breakers use to release the latch?

A

Bimetallic strip

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13
Q

Can you reset a circuit breaker?

A

Yes, but not routinely

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14
Q

What is a trip free circuit breaker?

A

Holding the reset button in whilst the fault exists will not reconnect the circuit

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15
Q

What is a non trip free circuit breaker?

A

Holding the reset button in whilst the fault exists will reconnect the circuit

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16
Q

What can happen with repeated resetting of circuit breakers?

A

Electrical fire

17
Q

What happens if you replace a fuse with one of a higher rating?

A

May lead to electrical fires or damaged cabling

18
Q

What happens if you replace a fuse with one of a lower rating?

A

May lead to the component not working at all due to early fuse blow

19
Q

What is a green circuit breaker?

A

Monitored, tripped for more than 1 minute will result in an ECAM warning

20
Q

What is a black circuit breaker?

A

Unmonitored, the crew will need to discover a tripped condition

21
Q

What is a red capped circuit breaker?

A

Installed with locking collars that prevent reset in flight

22
Q

What is a fuse made of?

A

A small copper PTC material

MyAGK (37 decks)

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