Systems 1

Question 1

What does FEVER stand for?

Answer 1

Fluctuating oil pressure, oil temperature, or hydraulic pressure

Excessive turbine temperature

Visual indications (smoke)

Erratic engine operation

Roughness or vibration

Question 2

The power turbine is driven by _____

Answer 2

Expanding gases

Question 3

Name the 3 sections in the engine

Answer 3

• Accessory compartment
• Gas generation section
• Power turbine section

Question 4

Name the 3 abnormal starts

Answer 4

• Hot start
• Hung start
• No start

Question 5

Functions performed by PMU

Answer 5

• Provide near linear power response
• Maintain operating limits
• Process power requests
• Control engine and propeller

Question 6

Function performed by PIU

Answer 6

Regulate oil pressure to the pitch change mechanism

Question 7

Possible causes of engine failure in flight

Answer 7

• Fuel starvation
• Mechanical failure
• Compressor stall

Question 8

Indications of fire in flight

Answer 8

• FEVER
• FIRE annunciator
• MASTER WARNING light
• Aural tone

Question 9

Possible causes of uncommanded power loss

Answer 9

• Engine rollback due to PMU scheduling
• Oil/engine/fuel system contamination

Question 10

Possible indications of engine fire in flight, which may be seen on the engine displays

Answer 10

• High ITT
• Fluctuating
  
  • Oil temperature and pressure
  • Hydraulic pressure

Question 11

PIU monitors ____

Answer 11

propeller speed

Question 12

Indications of Hot start

Answer 12

• High/rapidly rising ITT
• Lower N₁
• Lower N_p

Question 13

Indications of Hung start

Answer 13

• Slow rising ITT
• Lower N₁
• Lower N_p

Question 14

Indications of No start

Answer 14

• No ITT indication
• lower N₁ & N_p indication
• No torque indication

Question 15

During negativ-G flight, the flip-flop valve activates, providing the engine access to fuel located in the ____

Answer 15

collector tank

Question 16

_____ maintains fuel balance by shutting off fuel flow to the light tank

Answer 16

Transfer (solenoid) valve

Question 17

How many probes are used to show the fuel quantity on the AEDD?

Answer 17

Seven (3 each wing and one in collector)

Question 18

Which component prevents fuel from draining from the wing tank?

Answer 18

Float valve

Question 19

If the BOOST Pump is cycling on/off, this could be an indication of ___

Answer 19

Low fuel pressure

Question 20

The emergency package manifold contains _____

Answer 20

Two emergency extension selector valves

Question 21

What is the purpose of the pressure release valve in the main and emergency hydraulic system?

Answer 21

To automatically release pressure should it reach 3250 - 3500 psi