Hydraulics and fluid mechanics MCQ with Answers

Hydraulics and fluid mechanics MCQ with Answers

321) The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

Answer is:

increases

322) When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

Answer is:

concave

323) An orifice is said to be large, if

Answer is:

the available head of liquid is less than 5 times the height of orifice

324) The flow in a pipe or channel is said to be uniform when

Answer is:

the liquid particles at all sectons have the same velocities

325) The density of a liquid in kg/m³ is numerically equal to its specific gravity.

Answer is:

Right

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