Q421
Open questionThe kinetic energy correction factor for velocity distribution of laminar flow is
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Fluid Mechanics
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Q422
Open questionThe Navier-Stokes equation deals with the law of conservation of
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Q423
Open questionCritical velocity in a pipe flow
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Q424
Open questionThe simple pitot tube does not measure the
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Q425
Open questionPick out the wrong statement.
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Q426
Open questionThe head loss in turbulent flow in pipe is proportional to (where, V = velocity of fluid through the pipe)
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Q427
Open questionFor pipe flows, head is proportional to __________ at constant capacity (where, D = pipe diameter).
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Q428
Open questionA 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 new discharge will be __________ litres/minute.
Power = 4 H.P.; Speed = 800 rpm
Head = 8 metres
Flow = 1000 litres/minutes.
If its speed is halved, the new discharge will be __________ litres/minute.
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Q429
Open questionPick out the correct statement.
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Q430
Open questionPotential flow is characterised by the
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Q431
Open questionMultistage centrifugal pumps are generally used for
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Q432
Open questionRemote control valve is a __________ valve.
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Q433
Open questionA centrifugal pump designed to pump water is employed to pump a more viscous oil. In the later case, the pump
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Q434
Open questionAll pipes of a particular nominal size have the same
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Q435
Open questionIn fluid flow, the boundary layer separation can not occur
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Q436
Open questionAt what value of crank angle (roughly), no flow of water from or into the air vessel takes place in case of a double acting reciprocating pump?
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Q437
Open questionSelect the correct practical example of steady non-uniform flow.
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Q438
Open questionIn 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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Q439
Open question__________ isused for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline.
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Q440
Open questionChoose the correct set of dimensions of viscosity that are equivalent (where, F, M, L, T are dimensions for force, mass, length and time respectively).
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