Hydraulics and Fluid Mechanics in ME The unit of surface tension is N/m N-m N/m2 N/m3 N/m N-m N/m2 N/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The sheet of water flowing over a notch or a weir is known as Sill or crest Orifice None of these Nappe or vein Sill or crest Orifice None of these Nappe or vein ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be 1.5 B.H.P Same 0.75 B.H.P H.P./0.75 1.5 B.H.P Same 0.75 B.H.P H.P./0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The meatcentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is 5.2 sec 4.1 sec 10.4 sec 14.1 sec 5.2 sec 4.1 sec 10.4 sec 14.1 sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQ (Hs - Hd) wQ (Hs + Hd) wQHd wQHs wQ (Hs - Hd) wQ (Hs + Hd) wQHd wQHs ANSWER DOWNLOAD EXAMIANS APP
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