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 Hm) / (Q × ηo) (w Q ηo) / Hm (w Hm Q) / ηo (w Q) / (Hm × ηo) (w Hm) / (Q × ηo) (w Q ηo) / Hm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a right angled notch is (where H = Height of liquid above the apex of notch) (8/15) Cd. 2g. H (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H5/2 (8/15) Cd. 2g. H² (8/15) Cd. 2g. H (8/15) Cd. 2g. H3/2 (8/15) Cd. 2g. H5/2 (8/15) Cd. 2g. H² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Gradually varied flow is steady uniform non-steady non-uniform steady non-uniform non-steady uniform steady uniform non-steady non-uniform steady non-uniform non-steady uniform ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a gas increases with increase in temperature is independent of temperature decreases with increase in temperature is independent of pressure for very high pressure intensities increases with increase in temperature is independent of temperature decreases with increase in temperature is independent of pressure for very high pressure intensities ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The suction pressure should be high The delivery pressure should be high The delivery pressure should be low The suction pressure should be low The suction pressure should be high The delivery pressure should be high The delivery pressure should be low The suction pressure should be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a siphon spillway is Cd × a × √(2g) × H3/2 Cd × a × √(2g) × H5/2 Cd × a × √(2gH) Cd × a × √(2g) × H2 Cd × a × √(2g) × H3/2 Cd × a × √(2g) × H5/2 Cd × a × √(2gH) Cd × a × √(2g) × H2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS