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Engineering
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ME Set-1
Hydraulics and fluid mechanics
199

Hydraulics and fluid mechanics MCQ with Answers

199) If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

0.417 H^5/2

1.417 H^5/2

4.171 H^5/2

7.141 H^5/2

Answer is:

1.417 H^5/2

Hydraulics and fluid mechanics MCQ with Answers

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Related Hydraulics and fluid mechanics MCQ with Answers

200) According to Bazin, the coefficient of discharge varies with the height of water over the sill of a weir.

Correct

Incorrect

Answer is:

Incorrect

201) A manometer is used to measure

atmospneric pressure

pressure in pipes and channels

pressure in venturimeter

difference of pressures between two points in a pipe

Answer is:

pressure in pipes and channels

202) The product of mass and accelaration of flowing liquid is called

inertia force

viscous force

gravity force

pressure force

Answer is:

inertia force

203) The discharge through a wholly drowned orifice is given by (where H₁ = Height of water (on the upstream side) above the top of the orifice, H₂ = Height of water (on the downstream side) above the bottom of the orifice, a

Q = C_d x bH1 2gh

Q = C_d x bH₂ 2gh

Q = C_d x b ( H₂ - H₁ ) 2gh

Q = C_d x bH 2gh

Answer is:

Q = C_d x b ( H₂ - H₁ ) 2gh

Hydraulics and fluid mechanics MCQ with Answers

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