Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV / g waV² / g waV² / 2g waV / 2g waV / g waV² / g waV² / 2g waV / 2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel) (q⁴/g)1/5 (q/g)1/2 (q²/g)1/3 (q³/g)1/4 (q⁴/g)1/5 (q/g)1/2 (q²/g)1/3 (q³/g)1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 13.6 is placed in mercury of specific gravity 13.6, what fraction of it volume is under mercury? The metal piece will be immersed in mercury by half Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will simply float over the mercury Metal piece will sink to the bottom The metal piece will be immersed in mercury by half Whole of the metal piece will be immersed with its top surface just at mercury level The metal piece will simply float over the mercury Metal piece will sink to the bottom ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Maintain pressure difference Increase velocity Avoid interruption in the flow Increase discharge Maintain pressure difference Increase velocity Avoid interruption in the flow Increase discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Slip of a reciprocating pump is negative, when Suction pipe is short and pump is running at low speeds Suction pipe is long and delivery pipe is short and the pump is running at high speeds Delivery pipe is long and pump is running at high speeds Suction pipe is short and delivery pipe is long and the pump is running at low speeds Suction pipe is short and pump is running at low speeds Suction pipe is long and delivery pipe is short and the pump is running at high speeds Delivery pipe is long and pump is running at high speeds Suction pipe is short and delivery pipe is long and the pump is running at low speeds ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The intensity of pressure on an immersed surface __________ with the increase in depth. Increases None of these Decreases Does not change Increases None of these Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP