Hydraulics and fluid mechanics MCQ with Answers

Hydraulics and fluid mechanics MCQ with Answers

66) The flow of water through the hole in the bottom of a wash basin is an example of

Answer is:

free vortex

67) A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because

Answer is:

it is easier to see through the glass tube

68) The viscosity of a liquid is due to cohesion of its particles.

Answer is:

Correct

69) A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if

Answer is:

loss of head and discharge of both the pipes is same

70) In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be

Answer is:

double

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