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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Q. The uniformity of a gas fluidised bed depends upon the __________ of the solid particles.

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Q. A differential pressure cell is used for

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Q. If more than two branches of pipes are to be connected at the same point, then use a/an

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Q. In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the __________ efficiency.

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Q. Pick out the wrong statement.

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Q. Mass velocity is independent of temperature & pressure, when the flow is

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Q. Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer.

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Q. For pipe flows, head is proportional to __________ at constant capacity(where, D = pipe diameter).

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Q. For a given Reynold number as d/D for an orifice increases, Cd will (where, d & D are orifice & pipe diameters respectively).

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Q. The ratio of wall drag to total drag in the Stoke's law range is

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Q. Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg.

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Q. A pitched-blade turbine draws __________ a straight blade turbine.

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Q. The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a

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Q. A centrifugal pump is called a turbine pump, if it is having a

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Q. Acceleration head in a reciprocating pump

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Q. The ratio of inertial forces to elastic forces is called the __________ number.

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Q. Fluid flow at increasing rate through a diverging pipe is an example of __________ flow.

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