Engine Instrument

Question 1

Indicators

Answer 1

~Performance indicators
~condition indicators

Question 2

Eng indications

Answer 2

~pressure
~temperature
~fuel
~eng
~operational data
~alerting

Question 3

bourdo tube

Answer 3

~up to 800psi
~rugged
~0,5% to +/- 3 5 accuracy
~can messure pressure and vacuum
~

Question 4

Measuring temperature

Answer 4

~gas temp
~abient air
~bleed air
~air con
~eng air inlets
~eng exhaust

Question 5

RTD

Answer 5

Ressitence varies positevely with increase temp

Question 6

1 litre= 0,22 imperail gallons= 0,26 us gallons

Question 7

Ultrasonic fuel

Answer 7

Need to monitor the speed of sound ,because the wave is affected by the spped of local sound

Question 8

Electromeechanical fuel flow

Answer 8

~An impeller is used to measure the flow
~needs to be combined wiht a density device
Accuraet 2%

Question 9

Analaogue lectrical fuel flow

Question 10

Rpm (TACHO)

Answer 10

~mechanical
~electrical
~electronic

Question 11

Induction probe

Answer 11

Tooth wheel on the shaft of the spool ,a sendor will produce a voltage as the wheel rotates,the puls eis proportional to spool speed.

The new gadgetd use the compressor blades power itself older need current

Question 12

Synchroscope

Answer 12

~compares the tachos each engine
~one eng is the master ,the pilot adjust the other rpm until they are synchronosied

Question 13

Epr

Answer 13

~inlet probe blocke : high /normal epr,low fuel flow and egt low
~leak from the exhaust /probe ,low epr ,high/normal fuel flow /egt

Question 14

Measuring torque

Answer 14

~inch pounds
~foot pounds
~newton metres
~% of max torque