Q. During ageing of fluid carrying pipes, the

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Q. Which of the following fluid forces are not considered in the Navier-Stoke's equation?

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Q. Which of the following may be termed as a variable orifice flowmeter ?

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Q. In turbulent flow, a rough pipe has the same friction factor as a smooth pipe

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Q. Air vessel provided in a reciprocating pump

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Q. Bernoulli's equation is dependent on the

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Q. A fluid element has a velocity V = -y² . xi + 2yx² . j. The motion at (x, y) = (l/√2, 1) is

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Q. Check in a centrifugal pump is

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Q. Drag force acting on a body does not depend upon the

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Q. Centrifugal pump is normally classified on the basis of the

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Q. Where does the maximum stress occur in case of laminar flow of incompressible fluid in a closed conduit of diameter 'd'?

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Q. A mono pump is a __________ pump.

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Q. Higher specific speed (200-500) of a centrifugal pump indicates that the pump is of __________ flow type.

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Q. The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are

P. Inlet pressure
Q. Compressor rpm
R. Delivery pressure
S. Volumetric flow rate at inlet.

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Q. Theoretical head developed by a centrifugal pump does not depend upon the __________ the impeller.

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Q. An ideal fluid is

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Q. In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where, T = absolute temperature )

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Q. Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is

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Q. Cd, C and Cv are related (for flow through an orifice) as
(where, Cd = discharge co-efficient
Cc = co-efficient of contraction = area of jet at vena-contracta / area of opening
Cv = co-efficient of velocity = actual velocity at vena-contracta / Theoretical velocity )

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Q. In an incompressible fluid, the density is

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