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Objective Questions
Engineering
Mechanical
ME Set-1
Hydraulics and fluid mechanics
303

Hydraulics and fluid mechanics MCQ with Answers

303) A notch is, usually, made of a metallic plate.

Correct

Incorrect

Answer is:

Correct

Hydraulics and fluid mechanics MCQ with Answers

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Related Hydraulics and fluid mechanics MCQ with Answers

304) In an internal mouthpiece, if the jet after contraction expands and fills up the whole mouthpiece, then the mouthpiece is said to be running free.

Right

Wrong

Answer is:

Wrong

305) A channel is said to be of most economical cross-section, if

it gives maximum discharge for a given cross-sectional area and bed slope

it has minimum wetted perimeter

it involves lesser excavation for the designed amount of discharge

all of the above

Answer is:

all of the above

306) The top of the weir over which the water flows is known as

sill or crest

nappe or vein

orifice

none of these

Answer is:

sill or crest

307) A moving fluid mass may be brought to a static equilibrium position, by aplying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

Pascal's law

Archimede's principle

D-Alembert's principle

none of these

Answer is:

D-Alembert's principle

Hydraulics and fluid mechanics MCQ with Answers

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