Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.75 to 0.85 0.65 to 0.75 0.85 to 0.90 0.50 to 0.65 0.75 to 0.85 0.65 to 0.75 0.85 to 0.90 0.50 to 0.65 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 4.1 sec 5.2 sec 10.4 sec 14.1 sec 4.1 sec 5.2 sec 10.4 sec 14.1 sec ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is less than the critical depth, the flow is called Tranquil flow Torrential flow Turbulent flow Critical flow Tranquil flow Torrential flow Turbulent flow Critical flow 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 Same quantity of liquid 0.75 Q Q/0.75 1.5 Q Same quantity of liquid 0.75 Q Q/0.75 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) H × √(2g) √(2gh) 2g × √H 2gH H × √(2g) √(2gh) 2g × √H 2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Barometer is used to measure Difference of pressure between two points Very low pressure Pressure in pipes, channels etc. Atmospheric pressure Difference of pressure between two points Very low pressure Pressure in pipes, channels etc. Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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