GATE AE format:mcq PYQs & Answers — Page 15

Questions 141–150 of 326. Imported answers require independent review unless marked reviewed.

Topic practice 326 questionsPage 15 of 33

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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A three-member truss is simply supported at Q and R, and loaded at P by a horizontal force

as shown. The force in QR is

Diagram for Aerospace Engineering question 21

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(tensile)

(compressive)

(tensile)

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The closed thin-walled rectangular channel shown in figure (i) is opened by introducing a sharp cut at the center of the bottom edge, as shown in figure (ii). Which one of the following statements is correct?

Diagram for Aerospace Engineering question 22

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Centroids of (i) and (ii) coincide while shear centers do not

Shear centers of (i) and (ii) coincide while centroids do not

Both centroids and shear centers of (i) and (ii) coincide

Neither centroids nor shear centers of (i) and (ii) coincide

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The region of highest static temperature in a rocket engine and the region of highest heat flux are ____________, respectively.

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nozzle throat and nozzle entry

combustion chamber and nozzle throat

nozzle exit and nozzle throat

nozzle throat and combustion chamber

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GATE AE format:mcq PYQs

Question 14

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Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23