Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise :: Hydraulics and Fluid Mechanics - Section 4

26.

The pressure of a liquid measured with the help of a piezometer tube is

 A. vacuum pressure B. gauge pressure C. absolute pressure D. atmospheric pressure

Explanation:

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27.

The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the

Explanation:

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28.

The flow in a pipe or channel is said to be non-uniform when

 A. the liquid particles at all sections have the same velocities B. the liquid particles at different sections have different velocities C. the quantity of liquid flowing per second is constant D. each liquid particle has a definite path

Explanation:

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29.

The ratio of the inertia force to the viscous force is called

 A. Reynold's number B. Froude's number C. Weber's number D. Euler's number

Explanation:

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30.

A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

 A. one B. two C. three D. four