Indicating

Question 1

What type of indication are EPR an N1?

Answer 1

Thrust

Question 2

What is the purpose of the secondary indication system?

Answer 2

System indications

Question 3

Three types of analysis for engine trend monitoring

Answer 3

Thermodynamic
Mechanical dynamic
Oil consumption

Question 4

Where would you find the EPR indication displayed?

Answer 4

Primary display

Question 5

What is EPR and where is it sensed?

Answer 5

Engine pressure ratio

Sensed at inlet and turbine outlet

Question 6

Why can EGT be used as the turbine temperature indication?

Answer 6

Because it is a constant ratio with the TIT allowing for easy calculations.

Question 7

What engine oil system parameters are indicated in the cockpit?

Answer 7

Temperature
Pressure
Quantity

Question 8

Engine vibration signals are part of what analysis system?

Answer 8

Mechanical

Question 9

Why is a vibration signal filtered?

Answer 9

So the movement of the accelerometer can be sensed

Question 10

How are N1 and N2 vibration signals detected?

Answer 10

Piezoelectric crystal

Accelerometer

Question 11

What can be calculated from an integration of the fuel flow signal?

Answer 11

The product of fuel used