Engine and APU Flashcards Preview

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Flashcards in Engine and APU Deck (19):
1

Maximum N2 RPM

105%

2

Minimum Oil pressure

13 psi

3

Maximum start EGT

725C

4

Maximum oil temperature

165C
160 - 165C allowable for 15 minutes
160C maximum continuous

5

Maximum takeoff EGT

930C
940C with EGT indicators with 20 seconds transient timing feature

6

Maximum N1 RPM

106%

7

Continuous ignition must be on ______ during takeoff, landing and anti-ice operations

Engine start switch in CONT position

8

Maximum time limit for takeoff thrust

5 minutes
10 minutes with an engine failure to clear obstacles

9

Maximum continuous EGT

895C

10

Minimum pneumatic pressure prior to starter engagement

30 psi at sea level, decreasing 1/2 psi per 1000 feet above sea level

11

Cooling time required after third APU start attempt

1 hour

12

Both PMC must be __________ for takeoff

Either OFF or ON

13

Maximum APU start EGT

760C

13

APU bleed + electrical load maximum altitude

10000 feet

15

Maximum APU continuous EGT

710C

15

Maximum APU operational altitude

37000 feet

17

APU bleed maximum altitude

17000 feet

18

APU bleed valve must be closed when

Ground air connected and isolation valve open

Engine no1 bleed air valve open

Isolation valve and engine no2 bleed valve open

19

Cooling time required between second and third APU start attempt

5 minutes