Q. A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is

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Q. The contraction co-efficient for Borda's mouthpiece (for frictionless fluid) is

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Q. Purpose of air lift pump is to

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Q. Pick out the correct statement pertaining to venturimeter.

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Q. Potential function is applicable only for __________ flow.

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Q. Which of the following exemplifies a three dimensional fluid flow ?

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Q. Volute of a centrifugal pump should be designed in a fashion, such that the

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Q. The head loss due to sudden contraction is proportional to

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Q. Cavitation occurs in a centrifugal pump when the suction pressure is

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Q. Glass pipes can be joined by

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Q. If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is

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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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