Q. While starting a centrifugal pump, its delivery valve should be kept

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Q. For flow past a flat plate, if x is the distance along the plate in the direction of flow, the boundary layer thickness is proportional to

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Q. In case of venturimeters, friction losses are about __________ percent of maximum velocity head.

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Q. With increase in the schedule number of a pipe of a particular nominal size, the

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Q. Turbine impeller

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Q. Friction produced by the formation of wakes is called the __________ friction.

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Q. For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is

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Q. For a reciprocating pump, the indicator diagram is the graph between the

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Q. The most important factor, which determines the maximum height to which water can be lifted by a pump at standard temperature is the

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Q. High specific speed of a pump implies that, it is a/an __________ pump.

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Q. A gas (density = 1.5 kg/m³ , viscosity = 2x 10⁻⁵ kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.5) at a superficial velocity of 2 m/s causes a pressure drop of 8400 Pa/m. The pressure drop for another gas, with density of 1.5 kg/m³and viscosity of 3 x 10⁻⁵ kg/m.s flowing at 3 m/s will be

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Q. Cocks are used to control

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Q. If in a flow field, between any two points, then the flow must be

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Q. The dimension of surface tension is

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Q. Pick out the correct statement.

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Q. The friction factor is

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Q. The rate of change of moment of momentum represents the __________ by the fluid.

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Q. Cd for the orifice plate varies from

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Q. The discharge through a V-notch weir varies as

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Q. Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an

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