Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 48.2 r.p.m 248 r.p.m 24.8 r.p.m. 82.4 r.p.m. 48.2 r.p.m 248 r.p.m 24.8 r.p.m. 82.4 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is 27,000 kg 18,000 kg 9,000 kg 13,500 kg 27,000 kg 18,000 kg 9,000 kg 13,500 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of 84.8% 39.2% 49.2% 68.8% 84.8% 39.2% 49.2% 68.8% ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The undershot water wheels are those in which None of these The wheel runs entirely by the impulse of water The wheel runs entirely by the weight of water The wheel runs partly by the weight of water and partly by the impulse of water None of these The wheel runs entirely by the impulse of water The wheel runs entirely by the weight of water The wheel runs partly by the weight of water and partly by the impulse of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc × Cr Cc × Cv Cv × Cr Cc/Cr Cc × Cr Cc × Cv Cv × Cr Cc/Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηo = ηh × ηm None of these ηm = ηm × ηh ηh = ηo × ηm ηo = ηh × ηm None of these ηm = ηm × ηh ηh = ηo × ηm ANSWER DOWNLOAD EXAMIANS APP
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