GATE AE purpose:exam-prep PYQs & Answers — Page 28

Questions 271–280 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 28 of 65

The equation of the straight line representing the tangent to the curve

at the point

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

Let

, and

be the unit vectors in the x, y and z directions, respectively. If the vector

is rotated about positive

, one gets

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

Let

be a real number and

. Then the real part of

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

The point of maximum entropy on a Fanno-curve in a Temperature-Entropy (T-s) diagram represents the

Your answerChoose one option.

maximum flow Mach number

minimum flow Mach number

sonic Mach number

normal shock in the flow

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

Consider a two-dimensional potential flow over a cylinder. If the freestream speed is

, the maximum speed on the cylinder surface is

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

Consider steady, two-dimensional, incompressible flow over a non-porous flat plate as shown in the figure. For the control volume PQRS, the speed,

, at section PQ is uniform and the speed at section RS is given by

, where

is a positive integer. The value of

for which the flow through section PS will vanish is:

Diagram for Aerospace Engineering question 16

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

Consider the velocity distribution,

shown in the figure. For two adjacent fluid layers L1 and L2, the viscous force exerted by L1 on L2 is

Diagram for Aerospace Engineering question 17

Your answerChoose one option.

to the right

to the left

vertically upwards

vertically downwards

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

The service ceiling of an airplane is the altitude

Your answerChoose one option.

at which maximum rate of climb is 100 m/min

beyond which theoretically the airplane cannot sustain level flight

at which maximum power is required for flight

at which maximum rate of climb is 100 ft/min

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

Regarding the horizontal tail of a conventional airplane, which one of the following statements is true?

Your answerChoose one option.

It contributes to

It makes

and

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

A beam with a symmetrical T-shaped cross-section, as shown in the figure, is subjected to pure bending. The maximum magnitude of the normal stress is realised:

Diagram for Aerospace Engineering question 20

Your answerChoose one option.

only at the top fibres of the cross-section

only at the bottom fibres of the cross-section

both at the top and bottom fibres of the cross-section

only at the central fibres of the cross-section

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

GATE AE purpose:exam-prep PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20