Q. Cavitation can be prevented by

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Q. Assuming flow to be laminar, if the diameter of the pipe is halved, then the pressure drop will

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Q. Steady flow occurs, when the

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Q. With increase in the ratio of orifice diameter to pipe diameter, the fraction of the orifice pressure differential that is permanently lost

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Q. Pick out the wrong statement:

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Q. Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.

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Q. In a fully turbulent flow (Re > 10⁵) in a pipe of diameter 'd', for a constant pressure gradient, the dependence of volumetric flow rate of an incompressible fluid is

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Q. Pump used for the transportation of molten sodium in a fast breader reactor is a/an __________ pump.

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Q. Small pressure differences in liquids is measured using a/an

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Q. Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an

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Q. The time taken for gravity flow of a fixed volume of liquid (as in Redwood viscometer) is directly proportional to its

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Q. The exit cone angle in case of a standard venturimeter is __________ the entrance cone angle.

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Q. Sewage sludge is __________ type of non-Newtonion fluid.

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Q. Ratio of pressure and inertia force gives __________ number.

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Q. The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the

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Q. Which of the following equations as suggested by Colebrook and White gives the increase in roughness of a new surface (ε₀) with age/time (t) (where, ε = roughness of the surface after time't'. α = a co-efficient to be experimentally determined)?

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Q. Fluidised beds are formed, when the

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Q. A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp.

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Q. With increase in pump speed, its NPSH requirement

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Q. In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.

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