1) The principle of operation of a DC ratio meter is Report

one coil moving in a uniform magnetic field

two coils moving in a uniform magnetic field

two coils moving in a non-uniform magnetic field

2) A thermocouple indicator is basically a Report

millivoltmeter

milliohmeter

milliameter

3) If a FADEC loses its ADC input, in the short term it will Report

go into soft redundancy

go into hard redundancy

go to limit protection mode

4) With an aircraft with a fixed pitch propeller, what indication has the pilot got of the output power? Report

fuel flow

oil pressure

engine speed indicator

5) The primary purpose of an EEC is Report

to change analogue inputs into digital format to provide glass cockpit information and reduce flight crew workload

to change analogue inputs into digital format to reduce flight crew workload and provide maintenance information

to save fuel, reduce crew workload and reduce maintenance costs

6) If a tachogenerator indicated in reverse, the probable cause is Report

wrong input frequency

two phases cross connected

supply and transmitter cross connected

7) A sensing element goes open circuit in a ratiometer. What will be happen? Report

Temperature indicates below ambient

Full scale deflection

Hairspring takes indicator off scale

8) A thermocouple is constructed of Report

two dissimilar metals welded together

two dissimilar metals with an air gap between them

three dissimilar metals welded together

9) A thermocouple indication is taken from the Report

Hot junction

Cold junction

Difference between the hot junction and the cold junction

10) On a twin spool engine, the HP compressor is driven by Report

ram air over the compressor

early stages of the turbine

later stages of the turbine

11) In a multiple probe thermocouple system, what is the effect if one probe fails? Report

No noticeable effect

Reduction in temp reading

Increase in temp reading

12) In a gas turbine if air is tapped from the H.P bleed Report

EPR decreases and EGT increases

EPR stays constant and EGT decreases

EPR increases and EGT decreases

13) The vane on a vane type fuel flow measuring device becomes stuck. What safety backup is available for the engine fuel flow? Report

A fuel bleed valve

A bypass valve

A differential pressure bypass valve

14) In a FADEC engine with a hydromechanical fuel system, how is fuel flow controlled? Report

By fuel pressure

By electro-hydraulic servo valves (EHSVs)

By oil hydraulics

15) In the HEIU (High-energy ignition unit), the discharge resistor Report

allows sufficient voltage to be stored to provide relight facilities up to 55,000 ft.

protects the unit from excessive voltages

allows the capacitors to discharge when the unit is switched off

16) A modular constructed gas turbine engine means that Report

its major assemblies can be removed and replaced

all engines have a specific component layout

the engine is constructed by the vertical assembly technique

17) The purpose of a high bypass ducted fan engine is to Report

reduce size

improve thrust

improve efficiency

18) When using a test set to test an EGT thermocouple circuit Report

no compensation for ambient temperature is required

only consider ambient temperature compensation if the ambient temperature is over 20^oC

always compensate for ambient temperature

19) Where is EGT (Exhaust Gas Temperature) measured? Report

In the combustion chamber

Downstream of the combustion chamber

Upstream of the combustion chamber

20) How does a boost gauge compensate for altitude changes? Report

Spring sealed bellows

Two bellows against atmospheric pressure

There is no compensation

EASA Questions Module 14 Set 2

Set 1:

Set 2

Set 3