Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂s = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Minimise the fluctuation in discharge Avoid priming, every time we start the pump Remove the contaminant present in the liquid Control the liquid discharge Minimise the fluctuation in discharge Avoid priming, every time we start the pump Remove the contaminant present in the liquid Control the liquid discharge ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid Inverse square of the diameter First power of its dimeter Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid Inverse square of the diameter First power of its dimeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of velocity head is ft-lb/sec ft-lbf/lb ft-lbf/sec ft-lb/ft³ ft-lb/sec ft-lbf/lb ft-lbf/sec ft-lb/ft³ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is Applicable to laminar flow problems None of these A universal constant Zero at the pipe wall Applicable to laminar flow problems None of these A universal constant Zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer separation occurs when the Valve is closed in a pipeline Velocity of sound is reached Pressure reaches a minimum Cross-section of the channel is reduced Valve is closed in a pipeline Velocity of sound is reached Pressure reaches a minimum Cross-section of the channel is reduced ANSWER DOWNLOAD EXAMIANS APP
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