Fluid Mechanics What causes cavitation in centrifugal pump? Low suction pressure High suction velocity Low barometric pressure High suction pressure Low suction pressure High suction velocity Low barometric pressure High suction pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Decreases as V² None of these Increases linearly with V Decreases linearly with V Decreases as V² None of these Increases linearly with V Decreases linearly with V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Multistage compressors are used in industry, because they Are easy to control Reduce the size requirement Resemble closely to isothermal compression Reduce the cost of compressor Are easy to control Reduce the size requirement Resemble closely to isothermal compression Reduce the cost of compressor ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The temperature in isentropic flow None of these Depends on Mach number only Does not depend on Mach number Cannot drop and then increase again downstream None of these Depends on Mach number only Does not depend on Mach number Cannot drop and then increase again downstream ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the Roughness of surface of the body Pressure of main flow only Length of the body in flow direction All of these Roughness of surface of the body Pressure of main flow only Length of the body in flow direction All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance). V/Vmax = (x.r)1/7 V/Vmax = (x/r)1/7 V/Vmax = (r/x)1/7 None of these V/Vmax = (x.r)1/7 V/Vmax = (x/r)1/7 V/Vmax = (r/x)1/7 None of these ANSWER DOWNLOAD EXAMIANS APP
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