GATE AE discipline:aerospace-engineering PYQs & Answers — Page 28

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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

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Let

, and

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

is rotated about positive

, one gets

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Let

be a real number and

. Then the real part of

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

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maximum flow Mach number

minimum flow Mach number

sonic Mach number

normal shock in the flow

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

, the maximum speed on the cylinder surface is

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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

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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

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to the right

to the left

vertically upwards

vertically downwards

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The service ceiling of an airplane is the altitude

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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

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

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It contributes to

It makes

and

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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

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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

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GATE AE discipline:aerospace-engineering PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20