GATE AE 2023 Paper 1 — page 7

Questions 19–21 of 65. Imported answers require review unless explicitly marked reviewed.

For a longitudinally statically stable aircraft, which one of the following represents the relationship between the coefficient of pitching moment about the center of gravity

and absolute angle of attack

? (Note: nose-up moment is positive.)

Your answerChoose one option.

Diagram for Aerospace Engineering question 19

Diagram for Aerospace Engineering question 19 (figure 2)

Diagram for Aerospace Engineering question 19 (figure 3)

Diagram for Aerospace Engineering question 19 (figure 4)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In a single-spool aviation turbojet engine, which of the following is the correct relationship between the total work output

of a 2-stage axial turbine and the total work required

by a 6-stage axial compressor, neglecting losses?

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

For a stage of a 50% reaction ideal axial flow compressor (symmetrical blading), select the correct statement from the options given.

Your answerChoose one option.

The stagnation enthalpy rise across the rotor is 50% of the rise across the stage.

The static enthalpy rise across the rotor is 50% of the rise across the stage.

Axial velocity component of the flow at the rotor exit is 50% of that at the rotor entry.

The static pressure rise across the rotor is 50% of the rise across the stator.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

2023 · Paper 1

Question 19

Question 20

Question 21