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Engineering
Mechanical
ME Set-1
Hydraulics and fluid mechanics
65

Hydraulics and fluid mechanics MCQ with Answers

65) The loss of pressure head in case of laminar flow is proportional to

velocity

(velocity)²

(velocity)³

(velocity)⁴

Answer is:

velocity

Hydraulics and fluid mechanics MCQ with Answers

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Related 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

steady flow

uniform flow

free vortex

forced vortex

Answer is:

free vortex

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

it is easier to see through the glass tube

glass tube is cheaper than a metallic tube

it is not possible to conduct this experiment with any other tube

all of the above

Answer is:

it is easier to see through the glass tube

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

Correct

Incorrect

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

length of both the pipes is same

diameter of both the pipes is same

loss of head and discharge of both the pipes is same

loss of head and velocity of flow in both the pipes is same

Answer is:

loss of head and discharge of both the pipes is same

Hydraulics and fluid mechanics MCQ with Answers

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