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Engineering
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ME Set-1
Hydraulics and fluid mechanics
123

Hydraulics and fluid mechanics MCQ with Answers

123) The flow in a pipe is turbulent when Reynold number is

less than 2000

between 2000 and 2800

more than 2800

none of these

Answer is:

more than 2800

Hydraulics and fluid mechanics MCQ with Answers

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Related Hydraulics and fluid mechanics MCQ with Answers

124) When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid

remains horizontal

becomes curved

falls on the front end

falls on the back end

Answer is:

falls on the front end

125) The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

equal to

less than

more than

none of these

Answer is:

more than

126) The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size.

Agree

Disagree

Answer is:

Disagree

127) An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.

equal to

directly proportional

inversely proportional

none of these

Answer is:

directly proportional

Hydraulics and fluid mechanics MCQ with Answers

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