Electrical System Flashcards

1
Q

List all the AC power sources.

A

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2
Q

List all the DC power sources.

A

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3
Q

Does the battery need to be on for the Hot Battery Bus to be powered? What about the Switched Hot Battery Bus?

A

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4
Q

Can the battery be charged with external AC?

A

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5
Q

What does the Ground Power Available light mean?

A

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6
Q

What is the difference between the Ground Power Switch in the flight deck and the Ground Service Switch on the Forward Attendant Panel?

A

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7
Q

What does the GEN OFF BUS Illuminated light mean?

A

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8
Q

When does the electrical source automatically transfer from APU to the engine IDG?

A

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9
Q

Describe automatic load shedding when aircraft is in flight with the APU running.

A

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10
Q

Describe automatic load shedding when aircraft is on the ground with the APU running.

A

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11
Q

What would happen if we were to turn the Battery Master off in flight?

A

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12
Q

When do the BTB’s close in the AUTO position?

A

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13
Q

When does the Cross-Bus Tie Relay open?

A

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14
Q

What condition(s) would cause the DRIVE light to illuminate?

A

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15
Q

Can an IDG be reconnected in flight?

A

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16
Q

How many TR units are there? Which bus powers TR 3?

A

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17
Q

What indication would you have if there was a fault in the DC power system or standby system on the ground? How would a fault be indicated in flight?

A

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18
Q

What powers the AC standby bus and DC standby bus when on standby power?

A

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19
Q

What Display Units will be powered when on standby power?

A

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