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 square of the diameter Inverse of the fluid viscosity First power of its dimeter Square of the difference in specific weights of solid & fluid Inverse square of the diameter Inverse of the fluid viscosity First power of its dimeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Ratio of inertial forces to surface tension forces is called the __________ number. Euler Weber Mach Froude Euler Weber Mach Froude 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. 12 m 20 m 10 m 11 m 12 m 20 m 10 m 11 m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? High suction pressure Low barometric pressure Low suction pressure High suction velocity High suction pressure Low barometric pressure Low suction pressure High suction velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Vane anemometer None of these Is an area meter Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is a variable head meter None of these Is an area meter Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is a variable head meter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Decrease Remain same Data insufficient to predict pressure drop Increase Decrease Remain same Data insufficient to predict pressure drop Increase ANSWER DOWNLOAD EXAMIANS APP