Civil Engineering Mcqs Practice Test

Question 1

In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?

Accepted Answer

C. P between W and F

Question 2

The minimum width of the fire escape stairs shall be?

Accepted Answer

B. 1.25 m

Question 3

Choose the wrong statement________________?

Accepted Answer

D. Viscosity of liquids is appreciably affected by change in pressure

Question 4

Choose the wrong statement?

Accepted Answer

D. when in equilibrium, fluids can sustain shear forces

Question 5

Choose the wrong statement?

Accepted Answer

D. Center of buoyancy is located above the center of gravity of the displaced liquid v

Question 6

Choose the wrong statement ?

Accepted Answer

E. All floating bodies are stable

Question 7

Select the correct statement ?

Accepted Answer

B. Standard atmospheric pressure is the mean local atmospheric pressure a* sea level

Question 8

In a forced vortex, the velocity of flow everywhere within the fluid is__________________?

Accepted Answer

D. non-zero finite

Question 9

Two pipe systems can be said to be equivalent, when the following quantites are same______________?

Accepted Answer

A. friction loss and flow

Question 10

At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_______________?

Accepted Answer

E. could be any value

Question 11

For pipes, laminar flow occurs when Roynolds number is__________________?

Accepted Answer

A. less than 2000

Question 12

The fluid forces considered in the Navier Stokes equation are__________________?

Accepted Answer

A. gravity, pressure and viscous

Question 13

All the terms of energy in Bernoulli’s equation have dimension of_______________?

Accepted Answer

D. length

Question 14

Two dimensional flow occurs when___________________?

Accepted Answer

D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

Question 15

For hypersonic flow, the Mach number is___________________?

Accepted Answer

D. greater than 4

Question 16

Normal depth in open channel flow is the depth of flow corresponding to_______________?

Accepted Answer

D. uniform flow

Question 17

Pitot tube is used for measurement of__________________?

Accepted Answer

C. velocity

Question 18

The total energy of each particle at various places in the case of perfect incompres sible fluid flowing in continuous sream________________?

Accepted Answer

C. remains constant

Question 19

Mach number is significant in___________________?

Accepted Answer

A. supersonics, as with projectiles and jet propulsion

Question 20

According to Bernoulli’s equation for steady ideal fluid flow_______________?

Accepted Answer

D. the energy is constant along a stream-line but may vary across streamlines