Hydraulics and Fluid Mechanics in ME The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is 400 kg/m3 800 kg/m3 200 kg/m3 600 kg/m3 400 kg/m3 800 kg/m3 200 kg/m3 600 kg/m3 ANSWER DOWNLOAD EXAMIANS APP
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 ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Hm) / (Q × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The optimum value of vane exit angle for a centrifugal pump impeller is 30-40° 50-60° 20-25° 10-15° 30-40° 50-60° 20-25° 10-15° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of pressure Centre of gravity Centre of depth Centre of immersed surface Centre of pressure Centre of gravity Centre of depth Centre of immersed surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as uniform flow steady flow turbulent flow one dimensional flow uniform flow steady flow turbulent flow one dimensional flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A manometer is used to measure Pressure in pipes and channels Atmospheric pressure Difference of pressures between two points in a pipe Pressure in Venturimeter Pressure in pipes and channels Atmospheric pressure Difference of pressures between two points in a pipe Pressure in Venturimeter ANSWER DOWNLOAD EXAMIANS APP
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