Electrical

Question 1

Battery Start Attempts Per Hour

Answer 1

3

Question 2

_________ GPU Start Drawing Less Than 1000 Amps Is Equal To One Battery Start

Answer 2

1

Question 3

_________ GPU Starts Drawing 1000A Or More Is Equal To One Battery Start

Answer 3

3

Question 4

Min Battery Temp APU Start

Answer 4

-20C

Question 5

Min Battery Temp Engine Start

Answer 5

-10C

Question 6

Voltage Value Displayed _______ On EICAS

Answer 6

Green (23v-32v)

Question 7

Max GPU Voltage

Answer 7

30V

Question 8

Max GPU Load

Answer 8

1500A

Question 9

Max Engine Gen Load (In Flight or On Ground)

Answer 9

300A

Question 10

Max Gen Load (Above 35,000’)

Answer 10

275A

Question 11

Max APU Gen Load

Answer 11

275A

Question 12

What is a TRU

Answer 12

Transformer Rectifier Unit
(Provides DC power when loss of DC power)

Question 13

How long does battery last if there is loss of power

Answer 13

20 mins

(Select emer within 5 mins, then 60 mins of battery power)

Question 14

What is on the right hot battery bus

Answer 14

Normal external lav servicing
Entry lights

Question 15

What is on the left hot battery bus

Answer 15

Main cabin door lift
Baggage compartment light
Tailcone light
NWS accumulator