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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Q. Check valves are used

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Q. Velocity distribution for flow between two fixed parallel plates

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Q. Priming is needed in a __________ pump.

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Q. An ideal nozzle design aims at

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Q. Which of the fluid forces are not considered in the Reynold's equation of flow ?

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Q. For ideally incompressible fluid, the Mach number will be

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Q. In case of isentropic flow, the speed of sound in an ideal gas is proportional to (where M = molecular weight of the gas)

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Q. Boundary layer separation is caused by the

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Q. With increase in temperature, the vapor pressure of liquids

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Q. A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then for the same flow rate of water the new manometer reading will be __________ cms.

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Q. Remote control valve is a __________ valve.

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Q. Which of the following quantities are computed by using the hydraulic radius for non-circular ducts ?

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Q. Centre of pressure in an immersed body is __________ the centre of gravity.

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Q. The centre of pressure is

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