Eng and Prop Sys

Question 1

Items on GMAD

Answer 1

• Hyd Pump
• AC Generator
• PGB OIl supply/scavenge
• Prop High Pres Oil pump and O/S Gov
• Prop pitch control unit

Question 2

Starter Duty Cycle

Answer 2

(70” on, 60” off x 5) 20 min cooling

Question 3

Major Engine Assemblies.

Answer 3

• Power Section
• Prop Gearbox
• Torquemeter

Question 4

ATCS T/O power schedule

Answer 4

50-100% 40 kts

Question 5

What happens when an ENG Fire handle is pulled? (9)

Answer 5

• BEEFSHOPP
• Nacelle BASOV closes
• Extinguisher Sw Available
• Extinguisher flow valves Positioned
• Fuel F/W SOV Closes
• FPMU SOV Closes
• Hyd F/W SOV Closes
• Eng Oil SOV Closes
• BAU Commands Prop AUX pump to energize for 20”
• 1553 message to FADEC to feather and shutdown the engine

Question 6

Items on PUAD

Answer 6

• FPMU
• PMA
• Oil pressure and scavenge pumps
• ATS

Question 7

Max MGT to begin ENG START

Answer 7

175°c

Question 8

Max MGT on ENG Start

Answer 8

807°

Question 9

Over rideable ACAWS during ENG START

Answer 9

• NO LIGHTOFF(A)
• STAGNATED START(A)

Question 10

What propellers always feather w/o delay

Answer 10

Outboard

Question 11

Over speed Gov

Answer 11

• NP
• 104.5%: PCU pump oil is diverted, counter weights work.
• 106%: Fuel Reduced
• 119%: ENG Shutdown
• NG
• 109%: Eng Shutdown

Question 12

Max throttle angle for LSGI

Answer 12

30°

Question 13

Green B displayed between what blade angle and spd

Answer 13

23-10.5°, 145 KTAS

Question 14

Motor the Engine for ____” to clear fuel after an aborted start. How?

Answer 14

30”, Holding start sw to MOTOR

Question 15

ENG Start: Reasons to Pull Fire Handle and sw to Stop

Answer 15

• MGT Rapid past 6 o’clock, approaching 807
• ENG MGT Hi Warning
• ENG Fire Warning
• START VLV OPEN Warning
• Visible indications of fire
• Visible Fluid leak near eng

Question 16

Blades move to _____° via counterbalances if pump fails.

Answer 16

66°

Question 17

Compressor Stages

Answer 17

14

Question 18

The IGVs and first ________ stator stages have variable geometry.

Answer 18

5

Question 19

FADECS per ENG

Answer 19

2

Question 20

Free Turbine Stages

Answer 20

2

Question 21

Number of fire bottles

Answer 21

2

Question 22

FADEC Schedule

Answer 22

Forward: 100%, Blade°
Ground: 99%, Fuel Flow
Reverse: 101%, Blade°

Question 23

Gas Turbine Stages

Answer 23

2

Question 24

What fire handle gets priority

Answer 24

Last one pulled

Question 25

The FADEC control blade angle scheduling to assist in engine out stops. Above _____ CAS, the outboard propellers are set to ______° blade angle. Between ______ and _______ knots, the outboard propellers increase from ______° to _______° blade angle and between 70 and 50 knots decrease back to ______°. The inboard propellers are set at -______° blade angle at all CAS down to 70 knots. From 70 to 50 knots, they are set to 1° blade angle. Below 50 knots all propeller blade angles are set at 1°

Answer 25

110CAS, 1°, 110-90kts, 1-8°, 1°, 2°

Question 26

Min Start PSI

Answer 26

22psi

Question 27

NG limit prior to ground ENG RE-START

Answer 27

0% for 30"

Question 28

Feather Oil reserve QTY

Answer 28

.66 gal

Question 29

LSGI for ______ before shutdown.

Answer 29

2 min

Question 30

T/O Px = Max Cont when?

Answer 30

when < 28.3°c at sea level

Question 31

T/O = _______ hp at

Answer 31

4,700, 39.45°c

Question 32

What does PMA Power and When?

Answer 32

- Igniters, NG > 14% - FADEC, NG > 40%

Question 33

FADEC atmpts auto relight until NG

Answer 33

<56%, then FADECs Cut Fuel

Question 34

What does Start Switch to STOP do?

Answer 34

- Shuts of Fuel to the engine - Turns off respective boost pump - NAC SOV Closed (if in Auto) - Closes Start Valve, IF starting - Deenergizes Ignition, IF starting

Question 35

What does Start Switch to RUN do?

Answer 35

- Energizes Respective Boost Pump - NAC SOV Open

Question 36

Why NG 0 for 30" before Engine Start?

Answer 36

allows the NG Overspeed Circuit to be check

Question 37

What ACAWS is Expected with an Air Start?

Answer 37

- PROP "X" NO 119% PROTECT caution | - FADEC May not perform Propeller Overspeed Circuit check. Follow Crew Actions in QRH

Question 38

When Exiting Hotel Mode, what may happen when unfeathering one propeller at a time.

Answer 38

MC shuts down the engine because HP increases without power lever movement. Engine restart is permissible.

Question 39

Oil Cooler Flap Position

Answer 39

- Ground: Opens > 75° Closes < 60° - Dirty Flight: Opens > 82° Closes <76°

Question 40

Aux Feather pump runs for _______ sec

Answer 40

20