GATE XE format:mcq PYQs & Answers — Page 67

Questions 661–670 of 959. Imported answers require independent review unless marked reviewed.

Topic practice 959 questionsPage 67 of 96

For the series

, which of the following statements is NOT correct?

Your answerChoose one option.

The series converges at

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

Let

, where

is the complex conjugate of

. Then it is differentiable on

Your answerChoose one option.

the entire complex plane

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

If the transformation

reduces the partial differential equation

to the equation

, then

equals

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

and

is the matrix where

and

are linearly independent eigenvectors of the matrix

, then the sum of the absolute values of all the elements of the matrix

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

is the polynomial obtained by Lagrange interpolation satisfying

and

, then the value 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

For stable equilibrium of a floating body, which one of the following statements is correct?

Your answerChoose one option.

Centre of gravity must be located below the centre of buoyancy.

Centre of buoyancy must be located below the centre of gravity.

Metacentre must be located below the centre of gravity.

Centre of gravity must be located below the metacentre.

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

and

are the velocity components in the

- and

-directions respectively, the

-component of vorticity

at a point in a flow field 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

In which one of the following devices the difference between static and total pressure is used to determine the flow velocity?

Your answerChoose one option.

Piezometer

Pitot static tube

Orificemeter

Venturimeter

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

A golf ball is dimpled to make the flow turbulent and consequently to reduce the drag. Turbulent flow reduces the drag on the golf ball because

Your answerChoose one option.

skin friction coefficient is lower in a turbulent flow.

skin friction coefficient is higher in a turbulent flow.

turbulent flow has a lower tendency to separate.

turbulent flow has a higher tendency to separate.

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

For a steady laminar incompressible boundary layer flow over a sharp-edged flat plate at zero incidence,

Your answerChoose one option.

the edge of the boundary layer is a streamline.

the edge of the boundary layer is a pathline.

the skin friction coefficient decreases as the distance from the leading edge increases.

the skin friction coefficient remains constant all along the plate.

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

GATE XE format:mcq PYQs

Question 2

Question 3

Question 4

Question 8

Question 9

Question 1

Question 2

Question 3

Question 4

Question 5