Hydraulics and Fluid Mechanics in ME According to fan laws, for fans having constant wheel diameter, the air or gas capacity varies Directly as fan speed Cube of fan speed Square of fan speed Square root of fan speed Directly as fan speed Cube of fan speed Square of fan speed Square root of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.707 a. √2gH √2gH 0.5 a. √2gH 0.855 a. √2gH 0.707 a. √2gH √2gH 0.5 a. √2gH 0.855 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For manometer, a better liquid combination is one having high density and viscosity higher surface tension surface tension is no criterion lower surface tension high density and viscosity higher surface tension surface tension is no criterion lower surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary Inversely as square root of density Directly as the air or gas density As square of density Inversely as density Inversely as square root of density Directly as the air or gas density As square of density Inversely as density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 24.8 r.p.m. 82.4 r.p.m. 48.2 r.p.m 248 r.p.m 24.8 r.p.m. 82.4 r.p.m. 48.2 r.p.m 248 r.p.m 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 Mechanical efficiency Manometric efficiency Overall efficiency Volumetric efficiency Mechanical efficiency Manometric efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP