Hydraulics And Fluid Mechanics MCQ Questions & Answers

The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

A) 2.4 m B) 3.0 m C) 4.0 m D) 2.5 m

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Answer & Solution

Answer: Option B

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The maximum thickness of boundary layer in a pipe of radius r is

A) 0 B) $$\frac{{\text{r}}}{2}$$ C) r D) 2r

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Answer & Solution

Answer: Option C

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The speed of a pressure wave through a pipe depends upon

A) the length of pipe B) the viscosity of fluid C) the bulk modulus for the fluid D) the original head

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Answer & Solution

Answer: Option C

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Practical fluids

A) are viscous B) possess surface tension C) are compressible D) possess all the above properties

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Answer: Option D

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General energy equation holds for

A) steady flow B) turbulent flow C) laminar flow D) non-uniform flow

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Answer: Option D

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The angle of contact in case of a liquid depends upon

A) the nature of the liquid and the solid B) the material which exists above the free surface of the liquid C) both of die above D) any one of the above

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Answer & Solution

Answer: Option C

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When the velocity distribution is uniform over the cross-section, the correction factor for momentum is

A) 0 B) 1 C) $$\frac{4}{3}$$ D) 2

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Answer & Solution

Answer: Option B

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Size of a venturimeter is specified by

A) pipe diameter B) throat diameter C) angle of diverging section D) both pipe diameter as well as throat diameter

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Answer & Solution

Answer: Option D

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Hydraulics And Fluid Mechanics MCQ Questions & Answers | Civil Engineering