Kevin's Q's

Question 1

Name 2 types of Gas turbine engines

Answer 1

1. Turbojet
2. Turbofan
3. Turboprop
4. Turboshaft

Question 2

Name the 3 main sections of a gas turbine engine

Answer 2

1. Compressor section
2. Combustor section
3. Turbine section

Question 3

Name 3 types of engines rated by bypass air:

Answer 3

1. low bypass (1:1)
2. medium bypass (2 or 3 : 1)
3. high bypass (>=4 : 1)

Question 4

The majority of the thrust produced by a high bypass engine is produced by the _____

Answer 4

fan

Question 5

The the 2 classifications of torque turbine engines

Answer 5

1. Turboprop
2. Turboshaft

Question 6

Name 2 ways the propeller can be driven in a turboprop

Answer 6

1. The Parallel spur gear type
2. The epicyclical Type (Planetary gear type)

Question 7

Energy released by a gas turbine engine called the ______

Answer 7

Thrust

Question 8

Energy release by a gas turbine engine is at constant ______

Answer 8

pressure

Question 9

Heat energy is added to the air flowing through a gas turbine engine the air expands and its velocity ______

Question 10

The thrust produced by a turbofan engine is the sum of the thrust produced by the ______ and the thrust produced by the _______

Answer 10

fan

core engine

Question 11

The _______ effeciency of a gas turbine engine is the ratio of the net amount of work produced by an engine to the amount of work energy is the fuel that was burned to produce the work

Question 12

As altitude increases,with everything else remaining constant the thrust produced by the engine will _______.

This is because the density of the air is _______

Answer 12

decrease

decreasing/less