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 discharge of wheel is 1.5 m3/s 0.25 m3/s 0.5 m3/s 2.5 m3/s 1.5 m3/s 0.25 m3/s 0.5 m3/s 2.5 m3/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Braking jet in an impulse turbine is used None of these To change the direction of runner To bring the runner to rest in a short time To break the jet of water None of these To change the direction of runner To bring the runner to rest in a short time To break the jet of water ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is 2 43924 1 4 2 43924 1 4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. Does not change Decreases Increases None of these Does not change Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head Pressure head Velocity head Pressure head - velocity head Pressure head + velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ? 4 x (225)3/2 minutes 4 x V225 minutes 4 minutes 4 (225)1/3 minutes 4 x (225)3/2 minutes 4 x V225 minutes 4 minutes 4 (225)1/3 minutes ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS