Q. For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of

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Q. Weber number is the ratio of inertial force to __________ force.

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Q. The curve of metacentre for a floating body __________ the curve of buoyancy.

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Q. For very low pressure and high discharge rate, the compressor used is a/an __________ compressor.

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Q. Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics.

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Q. The main factor on which the behaviour of a mass of fluidised solid depends mainly is the

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Q. What is the speed of sound (m/sec) in ordinary water ?

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Q. Two piping system are said to be equivalent, when the __________ are same.

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Q. The equivalent diameter for fluid flow through square cross section channel of side 'x', for pressure drop calculation purpose is given by

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Q. Hydraulic radius of 6" x 12" cross-section, is __________ inches.

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Q. Baffles in mixing tanks are provided to

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Q. Which of the following equations is valid for laminar flow of a fluid through packed bed?

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Q. In case of laminar flow of fluid through a circular pipe, the

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Q. Which of the following facilitates close control of flow of fluids ?

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Q. Fanning friction factor equation applies to the __________ fluid flow.

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Q. For an ideal fluid flow, Reynolds number is

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Q. Stoke's equation is valid in the Reynolds number range

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Q. The ratio of pressure forces to inertial forces is called the __________ number.

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Q. Bernoulli's equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli's equation ?

A. Fluid flow is frictionless & irrotational.
B. Fluid flow is steady.
C. Fluid flow is uniform & turbulent.
D. Fluid is compressible.
E. Fluid is incompressible.

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Q. Cavitation in a centrifugal pump results from

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