Q. Which of the following valves will incur maximum pressure drop for the same discharge of water ?

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Q. Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor.

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Q. In deriving Bernoulli's equation, fluid is assumed to be

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Q. Unit of mass velocity is

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Q. Viscosity of a liquid decreases __________ with rise in temperature.

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Q. In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is

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Q. Discharge in laminar flow through a pipe varies

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Q. The lift of a ballon is

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Q. In which of the following body shapes, the pressure drag is large compared to the friction drag ?

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Q. The schedule number of a pipe is an indication of its

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Q. Minimum porosity for fluidisation is

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Q. A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now

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Q. Steady non-uniform flow is exemplified by flow through a/an

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Q. The maximum depth from which a centrifugal pump can draw water is

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Q. Design of the casing of centrifugal pump should be such as to minimise the

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Q. Which of the following is used for pumping crude oil from oil well ?

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Q. The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the

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Q. __________ flow means the flow of incompressible fluid with no shear.

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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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