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 0.25 m3/s 1.5 m3/s 0.5 m3/s 2.5 m3/s 0.25 m3/s 1.5 m3/s 0.5 m3/s 2.5 m3/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L L/3 L/4 L/2 L L/3 L/4 L/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length of a liquid stream while flowing over a weir __________ at the ends of the sill. Contracts Does not change None of these Expands Contracts Does not change None of these Expands ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the __________ is called Euler's number. Elastic force Surface tension force Pressure force Viscous force Elastic force Surface tension force Pressure force Viscous force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The delivery pressure should be low The suction pressure should be high The delivery pressure should be high The suction pressure should be low The delivery pressure should be low The suction pressure should be high The delivery pressure should be high The suction pressure should be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is μ π³ N² R⁴ /3600 t μ π³ N² R² /3600 t μ π³ N² R² /1800 t μ π³ N² R⁴ /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /3600 t μ π³ N² R² /1800 t μ π³ N² R⁴ /1800 t ANSWER DOWNLOAD EXAMIANS APP
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