Chapter 19 - Power Plant

Question 1

At sea level, what is the thrust of the Pratt & Whitney 305A engines and at what temperature (degrees F)?

Answer 1

4600 lb; 80 degrees F

Question 2

At sea level, what is the APR thrust and at what temperature (degrees F)?

Answer 2

4600 lb; 93 degrees F

Question 3

What drives the accessory gearbox?

Answer 3

High-pressure spool

Question 4

What normally powers the FADEC?

Answer 4

Permanent magnet alternator

Question 5

What connects the FADEC and HFCU?

Answer 5

Electrical signal from the rotary variable differential transformers on the power levers

Question 6

What does a white L or R ENG COMPTR annunciator indicate?

Answer 6

Minor malfunction in one channel of the FADEC

Question 7

What does an amber L or R ENG COMPTR annunciator indicate?

Answer 7

Major fault in one channel of the FADEC

Question 8

What is indicated if both the white and amber L or R ENG COMPTR annunciators illuminate?

Answer 8

Major fault in both channels of the FADEC

Question 9

The aircraft can be dispatched with which ENG COMPTR annunciators illuminated?

Answer 9

None

Question 10

Above what speed is maximum reverse thrust usable?

Answer 10

60 kt

Question 11

What occurs if a thrust reverser unlocks in flight?

Answer 11

FADEC autostows it

Question 12

What operates the surge bleed valves and variable inlet guide vanes?

Answer 12

High-pressure fuel from the HFCU

Question 13

What controls the surge bleed valves and variable inlet guide vanes?

Answer 13

FADEC

Question 14

What positions the N1 bugs?

Answer 14

FADEC

Question 15

What does illumination of the L or R OIL PRESS annunciator indicate?

Answer 15

Oil pressure is below 20 psi

Question 16

What is the maximum ITT for start?

Answer 16

950 degrees C

Question 17

What conditions can cause the EDS FAULT annunciator to illuminate?

Answer 17

EDS memory is 85% full, fault in the EDS, or an engine performance exceedance