Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d1/3 √d d2/3 d2 d1/3 √d d2/3 d2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of velocity head is ft-lb/ft³ ft-lb/sec ft-lbf/sec ft-lbf/lb ft-lb/ft³ ft-lb/sec ft-lbf/sec ft-lbf/lb ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Greater than the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit (E) to deliver water at a flow rate of 0.001 m³/s? The Fanning friction factor, f is 0.0062. 10 m 12 m 11 m 20 m 10 m 12 m 11 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Protect the pump against developing excessive pressure Control the rate of discharge Reduce the discharge pressure Facilitate unidirectional flow of liquid Protect the pump against developing excessive pressure Control the rate of discharge Reduce the discharge pressure Facilitate unidirectional flow of liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity Remains constant Decreases Also increases First decreases, and then increases Remains constant Decreases Also increases First decreases, and then increases ANSWER DOWNLOAD EXAMIANS APP
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