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Engineering
Mechanical
ME Set-1
Hydraulics and fluid mechanics
177

Hydraulics and fluid mechanics MCQ with Answers

177) The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced.

Right

Wrong

Answer is:

Right

Hydraulics and fluid mechanics MCQ with Answers

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Related Hydraulics and fluid mechanics MCQ with Answers

178) The metacentric height is the distance between the

centre of gravity of the floating body and the centre of buoyancy

centre of gravity of the floating body and the metacentre

metacentre and centre of buoyancy

original centre of buoyancy and new centre of buoyancy

Answer is:

centre of gravity of the floating body and the metacentre

179) An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.

less than twice

more than twice

less than three times

more than three times

Answer is:

less than three times

180) The discharge over a rectangular notch is

inversely proportional to H^3/2

directly proportional to H^3/2

inversely proportional to H^5/2

directly proportional to H^5/2

Answer is:

directly proportional to H^3/2

181) The volume of a fluid __________ as the pressure increases.

remains same

decreases

increases

none of these

Answer is:

decreases

Hydraulics and fluid mechanics MCQ with Answers

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