GATE AE branch:ae PYQs & Answers — Page 41

Questions 401–410 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 41 of 65

For

, with

denoting the derivative, the mean value theorem is not applicable because

Your answerChoose one option.

is not continuous at

is not defined at

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For the function

, where

, and

and

are constants, the maximum occurs at

Your answerChoose one option.

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, where

and

are constants, is a solution of

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Which of the following statements is true about the effect of increase in temperature on dynamic viscosity of water and air, at room temperature?

Your answerChoose one option.

It increases for both water and air.

It increases for water and decreases for air.

It decreases for water and increases for air.

It decreases for both water and air.

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Given access to the complete geometry, surface pressure and shear stress distribution over a body placed in a uniform flow, one can estimate

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the moment coefficient, and the force on the body.

the force coefficient, and the force on the body.

the moment coefficient, and the moment on the body.

the force and the moment on the body.

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A pair of infinitely long, counter-rotating line vortices of the same circulation strength

are situated a distance

apart in a fluid, as shown in the figure. The vortices will

Diagram for Aerospace Engineering question 6

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rotate counter-clockwise about the midpoint with the tangential velocity at the line vortex equal to

translate along

direction with velocity at the line vortex equal to

translate along

direction with velocity at the line vortex equal to

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The streamlines of a steady two dimensional flow through a channel of height 0.2 m are plotted in the figure, where

is the stream function in m

/s. The volumetric flow rate per unit depth is

Diagram for Aerospace Engineering question 7

Your answerChoose one option.

1.0 m

2.0 m

0.5 m

0.1 m

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Which of the following options can result in an increase in the Mach number of a supersonic flow in a duct?

Your answerChoose one option.

Increasing the length of the duct

Adding heat to the flow

Removing heat from the flow

Inserting a convergent-divergent section with the same cross-sectional area at its inlet and exit planes

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Which one of the following conditions needs to be satisfied for

to be considered as an Airy’s stress function?

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Consider the plane strain field given by

. The relation between

and

needed for this strain field to satisfy the compatibility condition is

Your answerChoose one option.

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GATE AE branch:ae PYQs

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