Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Decreases None of these Increases Remain same Decreases None of these Increases Remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as Volumetric efficiency Manometric efficiency Overall efficiency Mechanical efficiency Volumetric efficiency Manometric efficiency Overall efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of water at 20°C is One centistoke One centipoise One stoke One poise One centistoke One centipoise One stoke One poise ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Square root of fan speed Cube of fan speed Square of fan speed Directly as fan speed Square root of fan speed Cube of fan speed Square of fan speed Directly as fan speed ANSWER DOWNLOAD EXAMIANS APP
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 / 2g waV² / 2g waV² / g waV / g waV / 2g waV² / 2g waV² / g waV / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by 2V/(vr + v) 2V/(vr - v) V/(vr + v) V/(vr - v) 2V/(vr + v) 2V/(vr - v) V/(vr + v) V/(vr - v) ANSWER DOWNLOAD EXAMIANS APP