GATE XE discipline:engineering-sciences PYQs & Answers — Page 40

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Questions 391–400 of 1772. Imported answers require independent review unless marked reviewed.

Topic practice 1772 questionsPage 40 of 178

Let

and

be two square matrices of the same order. Then, which of the following matrices is/are necessarily equal to

Your answerSelect all correct options. You can choose more than one.

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then the value (in integer) of

is _____

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Consider the vector field

and

, where

is an arc of the unit circle connecting the points

and

is the straight line connecting the points

and

. Then, the value (in integer) of

is _____

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Which one of the following figures shows the CORRECT dependence of apparent viscosity (

) on rate of shear strain (

) for pseudoplastic fluids?

Your answerChoose one option.

Diagram for Engineering Sciences question 22

Diagram for Engineering Sciences question 22 (figure 2)

Diagram for Engineering Sciences question 22 (figure 3)

Diagram for Engineering Sciences question 22 (figure 4)

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The locus of temporary locations of all particles that have passed through a fixed point in the flow field at a particular instant is known as

Your answerChoose one option.

streamline.

streakline.

pathline.

timeline.

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Consider the velocities

, and

in x-, y-, and z-directions, respectively. The vorticity in the y-z plane is

Your answerChoose one option.

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For the laminar, incompressible flow over a flat plate with uniform free stream velocity, the axial pressure gradient within the boundary layer is

Your answerChoose one option.

greater than zero.

less than zero.

equal to zero.

equal to the axial velocity gradient.

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Let

, and

be position vector, velocity vector, and mass, respectively in a control mass system. Which one of the following properties is considered as conserved extensive property in Reynolds Transport Theorem to obtain the angular momentum equation?

Your answerChoose one option.

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The hydraulic diameter for a circular pipe of radius

Your answerChoose one option.

0.5R

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For incompressible, laminar, fully-developed flow through a circular pipe, Darcy friction factor and Fanning friction factor are represented as

and

, respectively. Which one of the following options is correct?

Your answerChoose one option.

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GATE XE discipline:engineering-sciences PYQs

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28