Q241
Open questionThe fluid jet discharging from a 2" diameter orifice has a diameter of 1.75" at its vena-contracta. The co-efficient of contraction is
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Fluid Mechanics
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Q242
Open questionWhat is the normal range of exit cone angle of a venturimeter?
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Q243
Open questionUpto what value of 'Mach number', a fluid may be considered as incompressible?
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Q244
Open questionThe head loss due to sudden contraction is proportional to
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Q245
Open questionWith increase in the shear rate, the apparent viscosity of pseudoplastic fluids
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Q246
Open questionBoundary layer separation is characterised by one of the conditions given below, where 'Re' is the Reynolds number for the flow. Select the appropriate conditions.
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Q247
Open questionFor the same terminal conditions and fitting size, the least friction loss is incurred in a/an
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Q248
Open questionThe ratio of the depth of flow to the hydraulic radius for the most economical trapezoidal section, in open channel flow is
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Q249
Open questionThe fluid property, due to which, mercury does not wet the glass is
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Q250
Open questionThe net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the
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Q251
Open questionThe excess of the sum of pressure & velocity heads over the vapor pressure of the liquid at the suction is called the
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Q252
Open questionThe vent valve provided in a liquid handling centrifugal pump is
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Q253
Open questionStoke's equation is valid in the Reynolds number range
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Q254
Open questionA liquid is pumped at the rate of 600 litres using 1000 rpm. If the rpm is changed to 1100, the liquid pumped is __________ litres.
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Q255
Open questionIn case of turbulent flow of fluid through a circular pipe, the
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Q256
Open questionIn case of laminar flow of fluid through a circular pipe, the
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Q257
Open questionCentrifugal compressors compared to reciprocating compressors
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Q258
Open questionFor flow of fluids through packed bed, the superficial velocity is
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Q259
Open questionAssuming flow to be laminar, if the diameter of the pipe is halved, then the pressure drop will
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Q260
Open questionBuckingham-π theorem states that in any physical problem including 'n' quantities having 'm' diamensions, the quantities can be arranged into __________ independent dimensionless parameters.
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