Module 3

Question 1

Compression is which kind of energy?

Answer 1

Potential Energy (Diffuser)

Question 2

Combustion is which kind of energy?

Answer 2

Kinetic Energy (Combustor)

Question 3

_______________: fuel energy transformation in a gas turbine engine is a constant pressure cycle

Answer 3

Brayton Cycle

Question 4

In a convergent duct, what increases and what decreases?

Answer 4

Velocity increases, Pressure and Temperature Decrease

Question 5

In a divergent duct, what increases and what decreases?

Answer 5

Velocity decreases, Pressure and temperature increase

Question 6

What is Gross Thrust?

Answer 6

Total thrust without deduction and ram drag

Question 7

What is Net Thrust?

Answer 7

Gross Thrust minus Intake Ram Drag

Question 8

_____________: Ram drag recovered by use of divergent inlet duct and aircraft speed

Answer 8

Ram Recovery

Question 9

_______________: Measure of effectiveness with which an engine converts kinetic Energy into useful work

Answer 9

Propulsive Efficiency

Question 10

______________: Ratio of the total work produced by the engine to the fuel(Chemical) energy input

Answer 10

Thermal Efficiency