The dimension of kinematic viscosity is_________________?
The dimension of kinematic viscosity is_________________?
A. ML-2T-1
B. L2T-1
C. ML-2T-2
D. None of these
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At a constant speed of the centrifugal pump, it‟s _____________ the impeller diameter?A. Capacity varies directly with
B. Head varies as the square of
C. Horsepower varies as the cube of
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The pressure and power requirement of a gas fan at constant speed & capacity varies ____________ the gas density?A. Directly as
B. Inversely as square root of
C. Inversely as
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While starting a centrifugal pump, its delivery valve should be kept___________________?A. Opened
B. Closed
C. Either opened or closed; it does not make any difference
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Reciprocating pumps compared to centrifugal pumps__________________?A. Deliver liquid at uniform pressure
B. Can handle slurries more efficiently
C. Are not subject to air binding
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B. Viscous
C. Dilatant
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During ageing of fluid carrying pipes, the__________________?A. Pipe becomes smoother with use
B. Friction factor increases linearly with time
C. Absolute roughness decreases with time
D. Absolute roughness increases linearly with time