Hydraulics and Fluid Mechanics in ME Power required (in watts) to drive a centrifugal pump is (where Hm = Manometric head in metres, w = Specific weight in N/m3, Q = Discharge of the pump in m3/s, and ηo = Overall efficiency of the pump) (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Hm) / (Q × ηo) (w Q) / (Hm × ηo) (w Q ηo) / Hm (w Hm Q) / ηo ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Piezometer is used to measure 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 Difference of pressure between two points ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/4g π w ω² r²/2g π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/4g π w ω² r²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called Surface tension of liquid Specific gravity of liquid Compressibility of liquid Density of liquid Surface tension of liquid Specific gravity of liquid Compressibility of liquid Density of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which conditions do not change with time at any point, is known as one dimensional flow steady flow uniform flow turbulent flow one dimensional flow steady flow uniform flow turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity of venturimeter is independent of Reynolds number None of these is equal to the coefficient of discharge of venturimeter decreases with higher Reynolds number is independent of Reynolds number None of these is equal to the coefficient of discharge of venturimeter decreases with higher Reynolds number ANSWER DOWNLOAD EXAMIANS APP
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