Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed Directly as fan speed Square of fan speed Square root of fan speed Cube of fan speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2g × √H 2gH √(2gh) H × √(2g) 2g × √H 2gH √(2gh) H × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Piezometer is used to measure Difference of pressure between two points Pressure in pipe, channels etc Very low pressures Atmospheric pressure Difference of pressure between two points Pressure in pipe, channels etc Very low pressures Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The buoyancy depends on mass of liquid displaced viscosity of the liquid pressure of the liquid displaced depth of immersion mass of liquid displaced viscosity of the liquid pressure of the liquid displaced depth of immersion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. None of these One-half One-third Two-third None of these One-half One-third Two-third ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe is turbulent when Reynold number is Less than 2000 Between 2000 and 2800 None of these More than 2800 Less than 2000 Between 2000 and 2800 None of these More than 2800 ANSWER DOWNLOAD EXAMIANS APP