Electrical Power Supply 1-30 Flashcards

1
Q

The generator is how many volts/amps?

A

28 VDC, 300 amp

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2
Q

The battery is how many volts/amps?

A

24 VDC, 42 amp

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3
Q

The aux battery is how many volts/amps?

A

24 VDC, 5 amp

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4
Q

The generator needs to supply a minimum of

_______ to charge the battery.

A

25 volts

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5
Q

The generator control switches, located in each cockpit, are _______ held on and ________interlocked,

A

magnetically ; electrically

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6
Q

Moving the generator switch to ON in either cockpit turns generator power on.

A

True

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7
Q

While control of the generator switches is being transferred, power remains momentarily stops.

A

False.

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8
Q

If the generator malfunctions in flight, what can you do?

A

the generator may be reset with the generator reset button,

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9
Q

Besides pressing the generator reset button, located in either cockpit, how can you reset the generator?

A

By cycling the GEN switch off and back on.

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10
Q

If the red GEN annunciator illuminates, what is automatically shed?

A

the air conditioning is the only equipment automatically shed.

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11
Q

The battery provides power for engine starts and is capable of powering all electrical systems except?

A

air conditioning.

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12
Q

The battery control switches, located in each cockpit, are _______ held on and ________interlocked,

A

magnetically ; electrically

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13
Q

Is there an aux battery switch in both cockpits?

A

No, only in the front

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14
Q

The auxiliary battery power
level may be tested by holding the AUX BAT switch,
located on the front cockpit left console system test panel,
for a minimum of _________

A

5 seconds

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15
Q

In an emergency situation, the auxiliary battery will power the standby instruments, UHF transceiver and backup UHF control,
standby instrument lighting, and FIRE 1 fire warning system for approximately__________

A

30 minutes.

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16
Q

If the AUX BAT test switch does not illuminate, what is indicated?

A

That the AUX BAT is less than 50% charged

17
Q

External power is distributed on the battery bus and is controlled by the ___________

A

battery switch

18
Q

How is the aircraft protected from external power over/under voltage.

A

internally through a voltage sensor

19
Q

Do not connect external power if battery voltage is below ________.

A

22.0 volts
Connecting external power could cause damage to the
aircraft battery.

20
Q

The BUS TIE switch is in both cockpits?

A

False. Only in the front cockpit

21
Q

With the BUS TIE switch engaged (NORM position), the generator feeds what?

A

both generator and battery bus

items.

22
Q

If the bus tie fails, or is set to OPEN, what will illuminate?

A

the amber BUS TIE annunciator

23
Q

Expect a minimum of ________ of battery power to the battery bus items (with BUS TIE OPEN)

A

30 minutes

24
Q

If the GEN (BUS) fails but the BUS TIE is normal, what then?

A

failed, the items on the generator bus will not be powered, but the generator will continue to power the
battery bus and charge the battery.