Unit 5

Question 1

The pneumatic air blend from the small gas turbine engine cannot be used to….

Answer 1

inflate aircraft tires

Question 2

When used for ground operation, the SGT engine can be installed

Answer 2

A four wheel trailer

Question 3

The impeller wheel and two turbine wheels in the turbine section of the GTCP 165 engine are connected by…

Answer 3

couplings on a common shaft

Question 4

What controls turbine discharge temperature on a GTCP 165 engine

Answer 4

Pneumatic thermostat

Question 5

The accessary drive section forward housing on a GTCP 165 engine provides mounts for components, including the fuel control unit, oil pump assembly, oil filter element, vane-axial fan assembly, and…

Answer 5

air/oil cooler

Question 6

The accessory drive section aft housing on a GTCP 165 engine contains the:
Fuel control unit
oil pump assembly
vane-axial assembly 
Compressor front shaft bearing

Answer 6

compressor front shaft bearing

Question 7

Which signals are used by the fuel control unit control engine operation on a GTCP 165 engine?

Answer 7

Engine speed and pneumatic thermostat (load control) air pressure

Question 8

For engine shutdown on the GTCP 165 engine, what valve closes to ensure that fuel-flow is terminated?

Answer 8

Fuel shutoff solenoid

Question 9

Which component on a GTCP 165 engine shuts the engine down if the oil pressure drops below the safe minimum operation limits?

Answer 9

Oil pressure switch

Question 10

During a normal start on a GTCP 165 engine, the igniter plug continues firing until engine’s RPM reaches…

Answer 10

95%

Question 11

What circuit trips to stop the engine during normal GTCP 165 engine shutdown?

Answer 11

110% circuit

Question 12

The modulating and shutoff valve on a GTCP 165 engine will be fully open at what percent RPM?

Answer 12

90

Question 13

Air for the load control system on a GTCP 165 engine is extracted from the….

Answer 13

Turbine plenum