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Engineering
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ME Set-1
Hydraulics and fluid mechanics
249

Hydraulics and fluid mechanics MCQ with Answers

249) The discharge through a channel of rectangular section will be maximum, if

its depth is twice the breadth

its breadth is twice the depth

its depth is thrice the breadth

its breadth is thrice the depth

Answer is:

its breadth is twice the depth

Hydraulics and fluid mechanics MCQ with Answers

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Related Hydraulics and fluid mechanics MCQ with Answers

250) When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as

centre of pressure

centre of gravity

centre of buoyancy

metacentre

Answer is:

metacentre

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

cohesion

adhesion

viscosity

surface tension

Answer is:

surface tension

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

less than

more than

zero

none of these

Answer is:

less than

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

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

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

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

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

Answer is:

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

Hydraulics and fluid mechanics MCQ with Answers

For more MCQ's Click Here

249) The discharge through a channel of rectangular section will be maximum, if

its breadth is twice the depth

Hydraulics and fluid mechanics MCQ with Answers

Related Hydraulics and fluid mechanics MCQ with Answers

250) When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as

metacentre

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

surface tension

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

less than

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

A x M x m2/3 x i1/2

Hydraulics and fluid mechanics MCQ with Answers

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