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NATOPS > Power Plants > Flashcards

Power Plants Flashcards

1
Q

Engine type?

A

J-52-P408B (non-afterburning, axial flow, turbojet)

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2
Q

Engine Sections?

A 
Inlet
Compressor (low pressure and high pressure)
Accessory Section
Diffuser Section
Combustion Section
Turbine Sections (low and high pressure)
Exhaust Section
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3
Q

How many stages are in the low pressure compressor?

A

5

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4
Q

How many stages are in the high pressure compressor?

A

7

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5
Q

How many cans are in the combustion section?

A

9

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6
Q

What does the accessory section power?

A
  1. Oil pumps
  2. Fuel pump
  3. Fuel Press/Dump valve
  4. Hydraulic pumps
  5. Tac Generator
  6. CSD
  7. Starter
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7
Q

What does the EFM switch do?

A
  1. Energizes the electric fuselage fuel boost pump
  2. Enables push to crank buttons
  3. Opens the fuel gate valve
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8
Q

How much thrust per engine at max continuous and max acceleration?

A

Max Continuous: 9,300 lbs

Max Acceleration: 10,400 lbs

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9
Q

Inlet guide vane failure will reduce thrust by how much?

A

6-7%

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10
Q

Engine anti-Ice will reduce thrust by how much?

A

1% or 100 lbs

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11
Q

At what engine RPM do you move the throttle to IDLE during start?

A

15-18%

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12
Q

When does the generator light go out during start?

A

40%

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13
Q

When should the starter light go out during start?

A

43-48%

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14
Q

When do the igniters cut out during start?

A

43-48%

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15
Q

What is the normal RPM range with throttle at IDLE?

A

50-58%

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16
Q

APC maintains what range of RPM?

A

63-99%

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17
Q

During a crossover bleed start set the RPM to ______ %.

A

75%

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18
Q

What is the minimum engine RPM for lead in a Section Descent?

A

75%

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19
Q

What is the minimum engine RPM for unfolding the wings while single engine?

A

75%

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20
Q

What engine RPM should be set during a spin?

A

80-85%

21
Q

What RPM should be set during engine run up?

A

85%

22
Q

Inlet guide vanes open at what engine RPM?

A

85%

23
Q

Do inlet guide vanes fail open or closed?

A

If they fail they will close.

24
Q

What is the engine overspeed RPM where inspection is required RPM?

A

101.2%

25
Q

What is the engine overspeed RPM where engine must be replaced?

A

102.4%

26
Q

What engine RPM corresponds to MRT?

A

94-101.1%

27
Q

What RPM settings are possible with a throttle linkage failure?

A

Anywhere from IDLE to MRT and Flameout

28
Q

What decrease in EGT will accompany an inlet guide vane failure?

A

10˚C

29
Q

What is the maximum EGT during engine start?

A

474˚C

30
Q

Max continuous EGT?

A

720˚C

31
Q

Max EGT for 30 minutes?

A

804˚C

32
Q

Max EGT during acceleration and corresponding time limit?

A

832˚C for 8 min

33
Q

Max time for light-off during engine start?

A

15 sec from placing throttle to IDLE

34
Q

Igniter plugs are located in which burner cans?

A

4 and 7 (used for normal & air starts)

35
Q

Starter cycle time limits?

A

60 sec on, 60 sec off, 60 sec on, 60 sec off, 60 sec on, 30 min off

36
Q

CSD Speed

A

8,000 +/- 80 RPM

37
Q

At what temp does the CSD Over Heat light come ON?

A

260˚F +/-10˚F (oil temp)

38
Q

At what temp does the CSD Over Heat light go OFF?

A

245˚F +/-10˚F (oil temp)

39
Q

Temperature for CSD disconnect form the starter?

A

354˚F (Case Temp)

40
Q

What caution light comes on with a CSD disconnect?

A

Generator caution light

41
Q

Crank for ____ sec after a start malfunction.

A

30 sec

42
Q

What CB must be in for engines to crank?

A

Gear/Hook CB

43
Q

How long can air ejectors be closed before a CSD overheat on deck?

A

5 minutes

44
Q

How is CSD Oil cooled on deck?

A

CSD Air Ejectors

45
Q

How is CSD Oil cooled airborne?

A

Ram Air

46
Q

What is the total starter cycle time limit with an engine starting malfunction?

A

90 seconds

47
Q

During start, fuel flow should rise to _____ pph.

A

650-900 pph

48
Q

After engine start, flight and combined hyds should be at what pressure?

A

3,000 psi

NATOPS (6 decks)

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