Q621
Open questionA hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is __________ kg.
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Chemical Engineering · all questionsFluid Mechanics
Fluid Mechanics
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Q622
Open questionThe rate of change of moment of momentum represents the __________ by the fluid.
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Q623
Open questionVenturimeter and orificemeter measures the __________ of the fluid.
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Q624
Open questionEach term in Bernaulli's equation represents the __________ of the fluid.
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Q625
Open questionDrag force on the float of a rotameter is (where, Q = flow rate of the fluid)
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Q626
Open questionWhich of the following facilitates close control of flow of fluids?
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Q627
Open questionIn area meter (e.g., rotameter), with increase in the fluid flow rate, the
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Q628
Open questionHydraulic radius of 6" × 12" cross-section, is __________ inches.
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Q629
Open questionIn case of a __________ the energy of flow is considerably decreased downstream of the machine.
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Q630
Open questionSelect the correct statement.
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Q631
Open questionIn an incompressible flow of fluid, the fluid
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Q632
Open questionThe dimension of kinematic viscosity is
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Q633
Open questionDimension of kinematic viscosity is
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Q634
Open questionThe drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10-6 m2/s).
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Q635
Open questionThe ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is
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Q636
Open questionThe hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is
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Q637
Open questionFor water, when the pressure increases, the viscosity
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Q638
Open questionBoundary layer thickness in laminar flow over a flat plate increases as (where, d = distance from the leading edge.)
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Q639
Open questionBoundary layer thickness in turbulent flow over a flat plate increases as (where, d = distance from the leading edge.)
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Q640
Open questionSteady flow occurs, when the
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