1) The compensation device on an E.G.T system must be re-calibrated after Report

manufacture and overhaul

does not need calibration

each time a part of the system is replaced

2) When testing an Exhaust Gas Temperature (EGT) system Report

Outside Air Temperature (OAT is always taken into consideration

Outside Air Temperature (OAT is neglected

Outside Air Temperature (OAT is only taken into consideration when the temp is over20^oC

3) Engine Pressure Ratio (E.P.R.) used for what purpose? Report

To limit the maximum exhaust gas temperature.

To indicate the thrust produced by the engine

As a cross check for minimum acceptable thrust

4) What happens when bulb type thermometer resistive element goes open circuit?. Report

Reads less than ambient

Reads more than ambient

No reading given

5) On an E.G.T thermocouple system, the hot junction Report

is placed in cockpit

is placed up stream of the combustion chamber

is placed downstream of the combustion chamber

6) On an RPM system using a synchronous generator, the pointer is deflected by Report

a potentiometer

a Wheatstone bridge

an AC servomotor

7) Torque pressure is usually read from a Report

torque meter

tension gauge

direct reading pressure gauge

8) The drag cup in a tacho-generator is balanced by Report

calibrated hairspring

adjustment screw

adjustable counterbalance weights

9) The fuel flow indication in a gas turbine engine is typically taken from Report

downstream from the HP pump

downstream from the LP pump

either H.P Pump or LP Pump

10) What power is required for E.G.T gauge indication? Report

28V DC

115V AC

No power - it is self generating

11) A Bourdon tube instrument may be used to indicate Report

position and quantity

pressure and temperature

pressure, temperature, position and quantity

12) What instrument on a gas turbine engine should be monitored to minimize the possibility of a 'hot' start? Report

RPM indicator

Torquemeter

Turbine inlet temperature

13) Oil temperature thermocouples are usually constructed of Report

iron constantan

alumel constantan

chromel alumel

14) The RPM indication of a synchronous AC motor tachometer is governed by the generator Report

current

frequency

voltage

15) Instruments that measure relatively high fluid pressures, such as oil pressure gauges, are usually what type? Report

Bourdon tube

Vane with calibrated spring

Diaphragm or bellows

16) Instruments that provide readings of low or negative pressure, such as manifold pressure gauges, are usually what type? Report

Diaphragm or bellows

Bourdon tube

Vane with calibrated spring

17) In what units are gas turbine engine tachometers calibrated? Report

Actual engine RPM

Percent of engine RPM

Percent of engine pressure ratio

18) In a turbine engine, where is the turbine discharge pressure indicator sensor located? Report

At a location in the exhaust cone that is determined to be subjected to the highest pressures

Immediately aft of the last turbine stage

At the aft end of the compressor section

19) The exhaust gas temperature (E.G.T ) indicator on a gas turbine engine provides a relative indication of the Report

turbine inlet temperature

temperature of the exhaust gases as they pass the exhaust cone

exhaust temperature

20) Engine pressure ratio is determined by Report

dividing engine inlet total pressure by turbine outlet total pressure

multiplying engine inlet total pressure by turbine outlet total pressure

dividing turbine outlet total pressure by engine inlet total pressure

EASA Questions Mod 15: Gas Turbine Engine Set 14: Engine Indication

Set 1: Fundamentals

Set 2: Engine Performance

Set 3: Engine Inlet

Set 4: Eng. compressors

Set 5: Combustion Section

Set 6: Turbine Section

Set 7: Engine Exhaust

Set 8: Bearing and Seals

Set 9: Lubricants and Fuel

Set 10: Lubrication system

Set 11: Fuel Systems

Set 12: Air Systems

Set 13: Ignition Systems

Set 14: Engine Indication

Set 15: Power Augmentation

Set 16:Turboprop engines

Set 17: Turboshaft

Set 18: APU

Set 19:Powerplant Installation

Set 20: Fire Protection

Set 21:Engine Monitoring

Set 22: Engine Storage