Power plant

Question 1

Identify the three engine mounted components that have impending bypass indicators that should be checked on pre-flight inspection?

Answer 1

Main fuel filter
In-line fuel filter
Main oil filter

Question 2

Identify at what Power Turbine Inlet Temperature, time limited operation begins?

Answer 2

Above 816 deg C

Question 3

Identify the component that supplies the engine oil pressure signal that is seen on the powertrain portion of the engine interment page?

Answer 3

Oil pressure transmitter

Question 4

What does the load share switch on the FADEC control panel allow the pilot to choose for engine load share?

Answer 4

TRQ

PTIT

Question 5

In relation to FADEC system what component is installed in the flight control closet for the purpose of sending thrust position and rate information to the ECU’s to eliminating rotor droop?

Answer 5

Thrust CPT

Question 6

Before turning on the backup power switch during engine startup what CAUTION’s are you looking for to be ACTIVE?

Answer 6

1 and 2 FADEC Cautions

Question 7

What Position should the ECL’s be in to see Bit Codes on the DECU/ECU’S?

Answer 7

Ground (ground to flight)

Question 8

Engine FAULT detected by the DECU/ECU that does not impact the normal control of the engine is a _____ Fault.

Answer 8

Soft fault

Question 9

An engine FAULT that could cause unacceptable engine or aircraft performance is a ______ Fault.

Answer 9

Hard fault

Question 10

When the Ignition Lock Switch (key) is in and ON this supplies power to the circuit of what two components on the engine for the purpose of engine starting?

Answer 10

ignition Exciters and start fuel solenoids

Spark and fuel

Question 11

Explain why you should delay turning second generator ON for 2 seconds when turning APU GEN Off and turning on Main GEN’s?

Answer 11

Will give the ECU time to sample power without causing a soft fault

Question 12

Identify the FADEC Modes of operation the Bleed Band system automatically operates?

Answer 12

Primary modes (“snaps”)
Reversionary modes (“modulates”)

Question 13

When ENG1 or ENG2 FADEC and/or REV1 or REV2 FAIL Cautions are active, what switch can be toggled to reboot the microprocessor’s in the DECU/ECU?

Answer 13

PRI/REV switch

Question 14

With a FADEC 1 or FADEC 2 failure, what does the pilot use to keep the engines matched in torque or PTIT Load shear?

Answer 14

INC/DEC switch

Question 15

In the event of an engine compressor stall what is the first step?

Answer 15

1. Thrust CONT lever — Reduce.

Question 16

Identify the Underlined Steps for ABORT START.

Answer 16

(1) 1. ENG COND Lever — STOP.

2) 2. ENG START Switch — Motor (if high PTIT is indicated

Question 17

Identify the Underlined Steps for EMER ENG SHUTDOWN.

Answer 17

ENG COND Lever -Stop

Fire PULL Handle-Pull

Fire PULL Handle-Twist

Question 18

FADEC
HMA
RDPS
AGB

Answer 18

Full Authority Digital Electronic Control
Hydromechanical Metering Assembly
Ratio Detector Power Supply
Accessory Gear Box

Question 19

What is the efficacy of EAPS and how are they mounted?

Answer 19

EAPS is 94% effective at filtering the air, EAPS is mounted on a rail system

Question 20

What oil do the engines use?

Answer 20

Green can oil

Question 21

Where do NG indications come from?

Answer 21

from the NG speed sensor on the back of the oil pump

Question 22

If you are in a fixed fuel situation how do you reset the computer?

Answer 22

cycle the PRI/REV switch

Question 23

what is the purpose of the oil flow programming valve?

Answer 23

prevent coking

Question 24

what inhibits NP overspeed?

Answer 24

overspeed solenoid valve

Question 25

What should you refer to when checking the fire bottle suppression pressure?

Answer 25

The checklist

Question 26

what component provides fuel for engine start?

Answer 26

start fuel solenoid valve

Question 27

How do we detect PTIT?

Answer 27

Probes and thermal bus bar

Question 28

What provides engine torque data to EICAS?

Answer 28

Torque junction box

Question 29

during pre-flight inspection what are you checking engine fluid lines for?

Answer 29

Leaks and chaffing

Question 30

functions of liquid to liquid cooler?

Answer 30

cool oil and heat fuel