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Limitations > Electical > Flashcards

Electical Flashcards

1
Q

Where is the CB two circuit breaker panel located?

A

Behind the copilot seat

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2
Q

Where is the battery voltage indicated?

A

Electrical synoptic page

Summary synoptic page

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3
Q

What is the maximum amperage on the GPU?

A

1500 AMPS

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4
Q

While on the ground, which electrical buses are powered with only the APU online?

A

All 6 busses.

Main , essential and auxiliary

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5
Q

While in flight, which electrical buses are powered with only one generator online?

A

Main and essential

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6
Q

What is the minimum battery temperature for takeoff?

A

-20 degrees C

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7
Q

What is the maximum amperage for two or three generators?

A

400 AMPS

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8
Q

What is the maximum amperage for one generator while on the ground?

A

400 AMPS

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9
Q

What is the maximum amperage for one generator while in flight?

A

500 AMPS

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10
Q

What is the transient limit for all generators?

A

600 AMPS for 5 min

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11
Q

While in flight, with all three generators off-line, which buses are powered?

A

Essential only

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12
Q

If the aircraft is down to essential power only, how long will the battery last?

A

1 hr

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13
Q

How long will the standby instrument battery power the ISI?

A

3.5 hrs

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14
Q

What does a green AVAIL message on the electrical panel indicate?

A

External power ( GPU) is available with correct voltage and polarity

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15
Q

True or false:

During APU start, the right battery is isolated from the aircraft system and powers the APU starter.

A

True

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16
Q

Which other generator normally shares the load with the APU generator?

A

Right side generator

17
Q

With all three generators operating in flight, if the left generator drops off-line, what automatically happens?

A

APU automatically switches to the left side and powers the buses.

18
Q

What items in the aircraft are powered by the left and right AUX busses?

A

AC and DC power for cabin, foot warmer for copilot and window heat for copilot

19
Q

Why is the right battery turned on first?

A

To prevent an uncommanded start of the APU

20
Q

How many circuit breaker panels are installed on the challenger 350 aircraft?

A

Seven

21
Q

What is the in-flight amperage limit when operating with a single generator online?

A

500 AMPS

22
Q

What is the time duration of the batteries in-flight with all generators in operative?

A

1 hr

23
Q

What is the maximum altitude that the APU GEN can be used?

A

30,000 Ft

24
Q

Which buses are powered in-flight with a single generator online?

A

Main and essential

25
Q

What are the memory items for APU fire?

A

APU FIRE switch - FIRE push

FIRE EXT 2 - ARMED push

Limitations (18 decks)

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