Hydraulics and Fluid Mechanics in ME According to fan laws, for the fans having constant wheel diameters, the power demand varies Square root of fan speed 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Any change in load is adjusted by adjusting following parameter on turbine Absolute velocity Net head Blade velocity Flow Absolute velocity Net head Blade velocity Flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of vertical lift and very little pipe friction, the pump characteristics should be Horizontal Nearly horizontal Steep First rise and then fall Horizontal Nearly horizontal Steep First rise and then fall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 50-60° 20-25° 10-15° 30-40° 50-60° 20-25° 10-15° 30-40° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Barometer is used to measure Very low pressure Pressure in pipes, channels etc. Atmospheric pressure Difference of pressure between two points Very low pressure Pressure in pipes, channels etc. Atmospheric pressure Difference of pressure between two points ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηm = ηm × ηh ηh = ηo × ηm ηo = ηh × ηm None of these ηm = ηm × ηh ηh = ηo × ηm ηo = ηh × ηm None of these ANSWER DOWNLOAD EXAMIANS APP
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