Q. A centrifugal pump has the following specifications:

Power = 4 H.P.
Speed = 800 rpm
Head = 8 metres
Flow = 1000 litres/minutes.

If its speed is halved, the power consumed now will be __________ hp.

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Q. Transition length for turbulent flow in smooth pipe is equal to __________ times the pipe diameter.

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Q. Disc compensators are provided in large diameter fuel gas carrying pipelines to

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Q. Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft³/sec.

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Q. Paper pulp is an example of __________ fluid.

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Q. __________ is an example of axial flow impeller.

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Q. Froude number is not a factor

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Q. If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor).

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Q. Horsepower requirement for given pump capacity depends upon the

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Q. Bernoulli's equation accounts for the

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Q. Hot wire anemometer is used to measure the

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Q. Propeller type centrifugal pumps are most suitable for

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Q. The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for __________ fluid.

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Q. Momentum transfer in laminar flow of fluids results due to the

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Q. The capillary rise of mercury is maximum in glass tube of dia __________ mm.

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Q. Froude number is the ratio of

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Q. Normal depth in open channel flow is the depth of flow in the channel

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Q. Which of the following flow measuring devices is an area meter ?

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Q. With decrease in particle size to be fluidised by a particular fluid, the operating range of fluidisation velocity

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Q. Diaphragm valves are used for handling __________ fluids.

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