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 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 Decreases as V² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A venturimeter can not be used for the direct measurement of All of these Friction loss in pipe flow Datum difference in the stretch of pipeflow Pressure difference in the flow throughpipeline All of these Friction loss in pipe flow Datum difference in the stretch of pipeflow Pressure difference in the flow throughpipeline ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is 0.44 0.044 44 4.4 0.44 0.044 44 4.4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Conditions change steadily with time Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Rate of the velocity change is constant Conditions change steadily with time Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Rate of the velocity change is constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now Data insufficient to predict Remain same Decrease Increase Data insufficient to predict Remain same Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small. Electrical conductivity Thermal conductivity Specific gravity Electrical resistivity Electrical conductivity Thermal conductivity Specific gravity Electrical resistivity ANSWER DOWNLOAD EXAMIANS APP