Engine Flashcards

1
Q

five sections

A

inlet, compresser, diffuser, combustion, exhaust

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2
Q

Take-off power (TOP) of T53-L-703

A

1800 SHP

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3
Q

Max continuous power (MCP) of engine

A

1500 SHP

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4
Q

transmission (xsmn) TOP (five minutes)

A

1290 shp (100% torque (%Q)

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5
Q

transmission (xsmn) MCP

A

1134 shp (88% Q)

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6
Q

components of compressor section

A

five stage axial compressor, one stage centrifugal compressor, stator vanes, main bearings 1 and 2

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7
Q

bleed air reservoir (piggy back chamber) provides compressed air for what?

A

cabin heating and defrosting, oil cooler fan, engine de-ice, improved particle separator (if installed)

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8
Q

P3 pressure air tap operates what?

A

interstage bleed air actuator and self-purging particle separator (if installed)

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9
Q

Engine Gas Temperature (EGT) gauge colors at start

A

Green band 0-950 deg, red >950

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10
Q

Engine Gas Temperature (EGT) gauge colors engine stabilized

A

white 0-400, green 400-820, yellow 820-880, red >880

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11
Q

what are restrictions of yellow band in EGT?

A

can only fly in yellow for 30 minutes

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12
Q

where is torquemeter assembly?

A

air inlet section housing of engine

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13
Q

main drive shaft rpm

A

6,600 RPM

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14
Q

what do variable inlet guide vanes (VIGV) do?

A

change angle of attack between inlet air and first compressor rotor blades to maintain airflow requirements of compressor rotor assembly

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15
Q

what controls VIGV actuator?

A

computer section of the FCU

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16
Q

what operates the VIGV actuator?

A

fuel pressure

17
Q

improved particle separator limits

A

use below 4C or 39F

18
Q

expect icing of air inlet screens when?

A

below 4.4C (40F)

19
Q

what happens to fuel flow with heat or de-ice on?

A

increases by 14 lbs (2%) or 21 lbs (3%) respectively

20
Q

how much oil in oil tank reservoir?

A

2.8 Gallons

21
Q

oil pressure limits

A

25 minimum, 80-100 continuous, 100 max. allowed up to 105 at start

22
Q

OIL PRESS LOW comes on when?

A

below 25 psi

23
Q

engine oil temp limits

A

less than or equal to 30 deg C free air temp, 93C max

>30 C FAT, 100 C max

24
Q

where is engine oil filter?

A

In engine compartment left side

25
Q

how many chip detectors on aircraft?

A

6

26
Q

how many chip detectors in powertrain?

A

5

27
Q

how many chip detectors in engine?

A

1

28
Q

size limit of fuzz burner?

A

0.005 in

29
Q

bleed band actuator controlled and operated by?

A

controlled by FCU, operated by p3 air

30
Q

another name for Ng turbine?

A

gas producer

31
Q

Ng accessories

A

SOFT starter/generator, oil pump, FCU, Ng tachometer generator

32
Q

Nf turbine a.k.a.

A

power producer

33
Q

Nf accessories

A

TOT torquemeter boost pump, overspeed governor, Nf tachometer generator

34
Q

what does droop cam compensator do?

A

keeps Nf w/in 1%