15.14

Question 1

What is used to measure turbine inlet temps

Answer 1

EGT

Question 2

What can knowing the EGT prevent

Answer 2

Thermal damage and it can tell you when an overheating event occurs

Question 3

What is EGT measured from

Answer 3

Measured after high or low pressure turbine

Question 4

What is EGT relative to

Answer 4

Temperatures of gasses entering the first stage of the turbine inlet nozzle guide vane

Question 5

What are thermocouples made of and how are they connected

Temperature ranges

Answer 5

Conel and alumal

Connected in parallel

0 to 1200

Question 6

What is a primary indication

Answer 6

Engine performance

E.g

N1
EPR
N2
EGT
fuel flow indicator

Question 7

What is a secondary indication

Answer 7

System indication

E.g

Oil quantity
Engine vibration
Oil temp
Oil system motor

When limits are exceeded

Unlock thrust reverser detector

Filter clogged

Question 8

What does engine trend monitoring monitor

Answer 8

Thermodynamic
Mechanic- dynamic
Oil consumption

Pressure and temps along gas flow paths

Checks for failure in rotor system