Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 10 r.p.m. 40 r.p.m. 20 r.p.m. 80 r.p.m. 10 r.p.m. 40 r.p.m. 20 r.p.m. 80 r.p.m. 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 would discharge 1.5 Q Q/0.75 0.75 Q Same quantity of liquid 1.5 Q Q/0.75 0.75 Q Same quantity of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Reciprocating Mixed flow Centrifugal Axial flow Reciprocating Mixed flow Centrifugal Axial flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bernoulli's equation Z - p/w + v²/2g = constant Z - p/w - v²/2g = constant Z + p/w - v²/2g = constant Z + p/w + v²/2g = constant Z - p/w + v²/2g = constant Z - p/w - v²/2g = constant Z + p/w - v²/2g = constant Z + p/w + v²/2g = constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure at a point in a fluid will not be same in all the directions when the fluid is viscous inviscous and moving viscous and moving. moving viscous inviscous and moving viscous and moving. moving ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel) (q/g)1/2 (q⁴/g)1/5 (q³/g)1/4 (q²/g)1/3 (q/g)1/2 (q⁴/g)1/5 (q³/g)1/4 (q²/g)1/3 ANSWER DOWNLOAD EXAMIANS APP
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