Electrical

Question 1

How is the electrical system managed when a fault occurs

Answer 1

The electrical system monitors itself for faults and automatically disconnects a Generator bus from its power source when electrical power is out of limits

Question 2

What is the normal source of power for TRs1 and 2

Answer 2

Respective AC TRANSFER buses

Question 3

What is the “backup” source of power for DC Bus 1

Answer 3

#2 TR
?(#3 tr)?

Question 4

How does the TR3 disconnect relay normally function

Answer 4

Automatically opens during an A/P or F/D approach at glide slope capture

Question 5

What is the power source for the Hot Battery Bus when all aircraft buses are powered(700)

Answer 5

Battery charger (?)

Question 6

What is the normal source of power for the Battery Bus

Answer 6

TR3

Question 7

What is the alternate source of power for the Hot Battery Bus when the normal power source is not available

Answer 7

Battery

Question 8

What is the purpose of the CSD

Answer 8

Change variable engine speed into constant generator drive speed

Question 9

Which of the following must be accomplished to check the battery condition

Answer 9

Turn on the battery switch, place DC meter selector to BAT, check volts within limits

Question 10

Turning the Battery switch ON______

Answer 10

?

Provides the only means to power Standby Buses from the Battery

Question 11

Which statement describes establishing power to the Ground Service Bus on the ground

Answer 11

GEN OFF BUS lights on, GRD service switch ON

Question 12

What does an illuminated CSD HIGH OIL TEMP light indicate

Answer 12

CSD oil temperature exceeds operating limits

Question 13

With a loss of all generators, a fully charged battery can supply power to the standby buses for at least

Answer 13

30 minutes

Question 14

A ground service bus control switch, labeled “GROUND SERVICE” is located on the

Answer 14

Forward flight attendant panel

Question 15

What is the minimum battery voltage for an APU start during the preflight

Answer 15

23 volts

Question 16

When a CSD LOW OIL PRESSURE or HIGH OIL TEMP light comes on, the ________system annunciator and Master Caution lights illuminate

Answer 16

ELEC

Question 17

When a 700 model IDG is operating and the IDG breaker is closed, the IDG output is connected to

Answer 17

Its respective Transfer Bus

Question 18

What is the maximum single engine drive generator load for an 800 model aircraft on the ground

Answer 18

75kva-215 amps

Question 19

The DRIVE light for an IDG illuminates when____(7,8,9)

Answer 19

A generator DRIVE malfunction occurs