Powerplant Limitations

Question 1

Maximum take off N1

Answer 1

98.6

Question 2

Max. TO N2

Answer 2

99.4

Question 3

Max TO ITT

-3A -3A2

Answer 3

871°C

900°C

Question 4

Time limit for ITT

Answer 4

5 minutes

2 minutes

Question 5

Engine Type

Answer 5

To General Electric CF 34–3A 2

Question 6

Normal TO N1 Limit

Answer 6

96.2

Question 7

Normal TO N2 Limit

Answer 7

98.3

Question 8

Normal take off ITT limit

Answer 8

856°C
878°C

-3A -3A 2

Question 9

Normal take off time limit for ITT

Answer 9

Five minutes

Two minutes

Question 10

Maximum continuous N1

Answer 10

98.6

Question 11

Maximum continuous N2

Answer 11

99.2

Question 12

Maximum continuous ITT

Answer 12

860°C

Question 13

Max. Start/relight ITT

Answer 13

930°C
903°C

– 3A – 3A2

Question 14

Maximum idle in icing conditions (cowl anti-ice only) N2

Answer 14

64.0

Question 15

The APR system must be selected off for take off if

Answer 15

• Preflight static or dynamic tests fail

- Ambient temperature is below -20c (-4F)

Question 16

Oil temperature

Minimum for starting

Answer 16

-40°C

Question 17

Oil temperature maximum permissible

Answer 17

163°C (15 minutes maximum)

Question 18

Oil temperature maximum for single engine climb

Answer 18

155°C (60 minutes maximum)

Question 19

Oil temperature maximum continuous

Answer 19

150°C

Question 20

Oil pressure transient coldstart

Answer 20

115 psi (10 minutes maximum)
Engine must remain at idle until oil pressure returns to normal range

Question 21

Oil pressure minimum at steady state Idle

Answer 21

25 psi

Question 22

Oil pressure Minimum at take off (power)

Answer 22

45 psi

Question 23

Oil pressure maximum continuous

Answer 23

110 psi

Question 24

Starter duty cycle

Normal engine start

Answer 24

Three consecutive engine start cycles with five minutes cooling between additional cycles

Question 25

Starter duty cycle | Motoring and engine start at -30°C -22°F and below

Answer 25

Motor engines for 60 seconds and assure fan rotation; then two consecutive engine start cycles with five minutes cooling between additional cycles

Question 26

Starter duty cycles | Motoring with the engine fuel and ignition off

Answer 26

90 seconds with five minutes cooling between additional cycles of 30 seconds

Question 27

For air turbine starts on the ground (at initiation of thrust Lever movement)

Answer 27

ITT is to be 120°C or less N2 must be 20% or greater

Question 28

For air turbine starts in flight (at initiation of thrust Lever movement)

Answer 28

ITT is to be 90°C or less N2 must be 28% or greater

Question 29

For windmill starts

Answer 29

ITT must be 120°C or less Above 10,000 feet, N2 must be 13% and stable or increasing for all engine types At or below 10,000 feet, N2 for applicable engine type must be as shown on table

Question 30

Take off with engine fuel temperature indications is prohibited below

Answer 30

5°C , 41°F

Question 31

APU maximum RPM

Answer 31

110%

Question 32

The APU over speed control will automatically shut down the APU at

Answer 32

110%

Question 33

APU maximum EGT

Answer 33

732°C

Question 34

Minimum ambient temperature for starting a cold soaked APU on the ground

Answer 34

-40°C

Question 35

The following APU start cycles are permitted using aircraft batteries on the ground or for normal in-flight start

Answer 35

- 3 start attempts, ea. of 30 seconds continuous cranking, - 20 minute off time - 2 further attempts each of 30 seconds continuous cranking Then 35 minutes

Question 36

APU start cycles permitted using ground power

Answer 36

2 start attempts 15 seconds each 20 minute off time To further attempts 15 seconds each Then 35 minutes

Question 37

The APU ready light must eliminate within how many seconds

Answer 37

60 seconds of operating the APU start switch

Question 38

APU maximum EGT not to be exceeded under any operating conditions

Answer 38

974°C

Question 39

APU starting and operation is permitted within the following envelope.

Answer 39

Sea level to 10,000 ft: 0-290 kias 10,000 to 20,000 ft : 141-290 kias

Question 40

APU bleed air extraction is not permitted above Or when ..

Answer 40

14,500 ft pressure alt. Not permitted in flight whenever standby electrical power is required from the APU.

Question 41

Max permissible load on the APU generator in flight is

Answer 41

30 kVA

Question 42

Fan Speed RPM indicator N1 % RPM

Answer 42

Green vertical band - 0 - 98.6 Red radial line - 98.6

Question 43

ITT red radial line

Answer 43

928°C

Question 44

ITT yellow vertical band

Answer 44

860°C - 928°C

Question 45

ITT green vertical band

Answer 45

0 - 860C

Question 46

ITT L/R read over temperature warning lights

Answer 46

928°C

Question 47

Turbine speed rpm indicator N2 % RPM | Red radial line

Answer 47

99.4%

Question 48

Turbine speed rpm indicator N2 % RPM | Yellow vertical band

Answer 48

99.2 to 99.4%

Question 49

Turbine speed rpm indicator N2 % RPM | Green vertical band

Answer 49

0 to 99.2%

Question 50

Fuel flow rate indicator | Green vertical band

Answer 50

0 to 4000 pounds per

Question 51

Oil temperature indicator | Red radial line

Answer 51

163°C

Question 52

Oil temperature indicator | Yellow horizontal band

Answer 52

150 to 163°C

Question 53

Oil temperature indicator | Green vertical band

Answer 53

-42 to 150°C

Question 54

Low oil pressure warning lights illuminate when

Answer 54

Oil pressure drops below 28. +or- 3 PSI

Question 55

Oil pressure indicator | Green vertical band

Answer 55

25 to 115 psi

Question 56

Oil pressure indicator | Red radial line

Answer 56

130 psi.

Question 57

Oil pressure indicator | Green vertical band

Answer 57

25 to 115 psi

Question 58

Fuel temp. Indicator | Green band

Answer 58

4 to 120C

Question 59

Fuel temp. Indicator | Yellow band

Answer 59

-55 to 4C

Question 60

Engine vibration indicator | Yellow band

Answer 60

2.7 MILS D.A. To. 4.0 MILS D.A.

Question 61

Engine vibration indicator | Green Band

Answer 61

0 MILS D.A. To. 2.7 MILS D.A.

Question 62

APU tachometer indicator percent RPM | Red radial line

Answer 62

110%

Question 63

APU tachometer indicator percent RPM | Green arc

Answer 63

0 to 105%

Question 64

APU EGT temp. | Red line

Answer 64

730C

Question 65

APU EGT | GREEN ARC

Answer 65

0 to 680C

Question 66

AC gauge | Green arc

Answer 66

0 to 30 kVA

Question 67

DC Gauge | Green arc

Answer 67

22 to 29 volts