Hydraulics and fluid mechanics MCQ with Answers

Hydraulics and fluid mechanics MCQ with Answers

251) The mercury does not wet the glass. This is due to the property of the liquid known as

Answer is:

surface tension

252) The coefficient of discharge in case of internal mouthpiece is __________ that of external mouthpiece.

Answer is:

less than

253) According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)

Answer is:

A x M x m^2/3 x i^1/2

254) When the venturimeter is inclined, then for a given flow it will show __________ reading.

Answer is:

same

When the venturimeter is inclined, then for a given flow it will show __________ reading.

255) When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure

Answer is:

varies as the square of the radial distance

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