Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the Square of the difference in specific weights of solid & fluid Inverse of the fluid viscosity Inverse square of the diameter First power of its dimeter Square of the difference in specific weights of solid & fluid Inverse of the fluid viscosity Inverse square of the diameter First power of its dimeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. All of these NPSH required BHP required by the pump Head of the liquid pumped All of these NPSH required BHP required by the pump Head of the liquid pumped ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady flow occurs, when the Rate of the velocity change is constant Conditions do not change with time at any point Conditions change steadily with time Conditions are the same at the adjacent points at any instant Rate of the velocity change is constant Conditions do not change with time at any point Conditions change steadily with time Conditions are the same at the adjacent points at any instant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Reduce the discharge fluctuation Convert velocity head to pressure head Increase the discharge Convert pressure head to velocity head Reduce the discharge fluctuation Convert velocity head to pressure head Increase the discharge Convert pressure head to velocity head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Remains constant Decreases Increases Increases linearly Remains constant Decreases Increases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is 2 < 1 > 1 1 2 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
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