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Engineering
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ME Set-1
Hydraulics and fluid mechanics
167

Hydraulics and fluid mechanics MCQ with Answers

167) The total pressure on an immersed surface inclined at an angle ? with the liquid surface is

wA

wx

wAx

wAx/sin

Answer is:

wAx

Hydraulics and fluid mechanics MCQ with Answers

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Related Hydraulics and fluid mechanics MCQ with Answers

168) Turbulent flow takes place at high velocities.

Agree

Disagree

Answer is:

Agree

169) When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.

less than

more than

zero

none of these

Answer is:

less than

170) The hydraulic mean depth for a circular pipe of diameter (d) is

d/6

d/4

d/2

d

Answer is:

d/4

171) The tangential velocity of the water element having a free vortex is

directly proportional to its distance from the centre

inversely proportional to its distance from the centre

directly proportional to its (distance)² from the centre

inversely proportional to its (distance)² from the centre

Answer is:

inversely proportional to its distance from the centre

Hydraulics and fluid mechanics MCQ with Answers

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