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 20 r.p.m. 80 r.p.m. 10 r.p.m. 40 r.p.m. 20 r.p.m. 80 r.p.m. 10 r.p.m. 40 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Excessive power will be consumed Efficiency will be low No flow will take place Cavitation will be formed Excessive power will be consumed Efficiency will be low No flow will take place Cavitation will be formed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is (where N = Speed of the pump impeller) Inversely proportional to N Inversely proportional to N² Directly proportional to N Directly proportional to N² Inversely proportional to N Inversely proportional to N² Directly proportional to N Directly proportional to N² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be Higher than the surface of liquid The same as the surface of liquid Lower than the surface of liquid Unpredictable Higher than the surface of liquid The same as the surface of liquid Lower than the surface of liquid Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.707 a. √2gH 0.5 a. √2gH √2gH 0.855 a. √2gH 0.707 a. √2gH 0.5 a. √2gH √2gH 0.855 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids shows erratic behaviour increases remains same decreases shows erratic behaviour increases remains same decreases ANSWER DOWNLOAD EXAMIANS APP
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