SYS105

Question 1

What three elements are necessary for engine operation?

Answer 1

Heat
Air
Fuel

Question 2

The T-6 propeller has _______ blades, _________ pitch, and ________ speed.

Answer 2

4, variable, constant

Question 3

Given indications of abnormal start, what should you do?

Answer 3

Begin the abort start procedure

Question 4

What are the types of abnormal start?

Answer 4

Hot
Hung
No-Start

Question 5

What are the indications of a hot start?

Answer 5

Rapidly rising ITT

Low N1

Question 6

What are the indications of a hung start?

Answer 6

Slow rising ITT
Low N1
Low Np

Question 7

What are the indications of a no-start?

Answer 7

No indications for ITT, and Np

Low N1

Question 8

What are some possible display indications of engine failure in flight?

Answer 8

Immediate loss in power
Rapid decay of N1, Np, ITT
MASTER WARN and aural tone
Prop moves towards feather

Question 9

What are the indications of a PMU failure?

Answer 9

Step loss in power
PMU FAIL
MASTER WARN and aural tone

Question 10

What are the indications of uncommanded propeller feather?

Answer 10

Loss in power
High torque
Low Np
Vibration and noise

Question 11

What are some sensory indications of engine fire in flight?

Answer 11

Smoke or Fire
Smell of engine burning
Engine roughness or vibration
Unusual noises

Question 12

The power turbine is driven by:

Answer 12

expanding gases

Question 13

What are the two engine sections?

Answer 13

Power turbine section and gas generator section. The accessory compartment is also an engine section.

Question 14

What functions are performed by the PMU?

Answer 14

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

Question 15

What is the purpose of the PIU?

Answer 15

Regulate oil px to the pitch change mechanism.