Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 48.2 r.p.m 24.8 r.p.m. 82.4 r.p.m. 248 r.p.m 48.2 r.p.m 24.8 r.p.m. 82.4 r.p.m. 248 r.p.m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following instrument can be used for measuring speed of a submarine moving in deep sea Venturimeter rotameter pitot tube hot wire anemometer Venturimeter rotameter pitot tube hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 4000 Less than 2000 Between 2000 and 4000 More than 4000 Less than 4000 Less than 2000 Between 2000 and 4000 More than 4000 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 R² /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /3600 t μ π³ N² R⁴ /1800 t μ π³ N² R² /1800 t μ π³ N² R⁴ /3600 t μ π³ N² R² /3600 t μ π³ N² R⁴ /1800 t ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Avogadro’s hypothesis Pascal’s law Dalton’s law of partial pressure Newton’s law of viscosity Avogadro’s hypothesis Pascal’s law Dalton’s law of partial pressure Newton’s law of viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase of temperature results in decrease in viscosity of liquid increase in viscosity of liquid decrease in viscosity of gas increase in viscosity of gas decrease in viscosity of liquid increase in viscosity of liquid decrease in viscosity of gas increase in viscosity of gas ANSWER DOWNLOAD EXAMIANS APP
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