Q201
Open questionThe type of centrifugal pump preferred for a specific speed of 20 r.p.m. is
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Mechanical Engineering · all questionsHydraulics And Fluid Mechanics
Hydraulics And Fluid Mechanics
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Q202
Open questionA Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is
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Q203
Open questionAn orifice is said to be large, if
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Q204
Open questionA flow in which __________ force is dominating over the viscosity is called turbulent flow.
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Q205
Open questionWhich of the following meters is not associated with viscosity?
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Q206
Open questionThe maximum hydraulic efficiency of an impulse turbine is (where = Angle of blade tip at outlet)
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Q207
Open questionAccording to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, = Length of pipe, v = Velocity of liquid in pipe and d = Diameter of pipe)
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Q208
Open questionA flow whose streamline is represented by a straight line, is called __________ dimensional flow.
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Q209
Open questionWhich of the following pump is suitable for small discharge and high heads?
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Q210
Open questionFree surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the
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Q211
Open questionThe Euler's equation for the motion of liquids is based upon the assumption that
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Q212
Open questionThe Bernoulli's equation is based on the assumption that
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Q213
Open questionThe atmospheric pressure at sea level is
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Q214
Open questionThe line of action of the buoyant force acts through the Centroid of the
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Q215
Open questionThe loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, = Length of pipe, v = Velocity of the liquid in the pipe, = Viscosity of the liquid and w = Specific weight of the flowing liquid)
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Q216
Open questionThe pressure measured with the help of a pressure gauge is called
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Q217
Open questionA fluid is said to be ideal, if it is
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Q218
Open questionThe dynamic viscosity of the liquid __________ with rise in temperature.
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Q219
Open questionThe dynamic viscosity of gases __________ with rise in temperature.
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Q220
Open questionThe overall efficiency of a reaction turbine is the ratio of
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