Civil Engineering Mcqs Practice Test

Question 1

A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury  ?

Accepted Answer

C. 0.515

Question 2

A streamline is defined as the line ________________?

Accepted Answer

C. of equal yelocity in a flow

Question 3

General energy equation holds for_________________?

Accepted Answer

D. non-uniform flow

Question 4

The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as_________________?

Accepted Answer

D. turbulent flow

Question 5

The flow which neglects changes in a transverse direction is known as ____________________?

Accepted Answer

A. one dimensional flow

Question 6

The flow in which conditions do not change with time at any point, is known as _____________________?

Accepted Answer

C. steady flow

Question 7

Flow occurring in a pipeline when a valve is being opened is ______________________?

Accepted Answer

B. unsteady

Question 8

The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as___________________?

Accepted Answer

B. uniform flow

Question 9

The flow in which each liquid particle has a definite path and their paths do not cross each other is called____________________?

Accepted Answer

E. streamline flow

Question 10

Steady flow occurs when____________________?

Accepted Answer

B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time

Question 11

Uniform flow occurs when____________________?

Accepted Answer

C. size and shape of the cross section in a particular length remain constant

Question 12

For measuring flow by a venturimeter, if should be installed in__________________?

Accepted Answer

E. in any direction and in any location

Question 13

An ideal flow of any fluid must satisfy ___________________?

Accepted Answer

D. continuity equation

Question 14

Non uniform flow occurs when ____________________?

Accepted Answer

E. velocity, depth, pressure, etc. change from point to point in the fluid flow

Question 15

Gradually varied flow is____________________?

Accepted Answer

D. steady non-uniform

Question 16

During the opening of a valve in a pipe line, the flow is___________________?

Accepted Answer

B. unsteady

Question 17

In the case of steady flow of a fluid, the acceleration of any fluid particle is__________________?

Accepted Answer

C. zero

Question 18

True one-dimensional flow occurs when___________________?

Accepted Answer

A. the direction and magnitude of the veiocity at all points are identical

Question 19

Flow of water in a pipe about 3 meters in diameter can be measured by_________________?

Accepted Answer

D. pitot tube

Question 20

Rotameter is a device used to measure____________________?

Accepted Answer

C. flow