Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men Cohesion pressure is negligible There is no cohesion pressure Cohesion pressure is decreased Cohesion pressure is increased Cohesion pressure is negligible There is no cohesion pressure Cohesion pressure is decreased Cohesion pressure is increased ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.? Pelton wheel None of these Kaplan turbine Francis turbine Pelton wheel None of these Kaplan turbine Francis turbine ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is 600 kg/m3 800 kg/m3 400 kg/m3 200 kg/m3 600 kg/m3 800 kg/m3 400 kg/m3 200 kg/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 4000 More than 4000 Between 2000 and 4000 Less than 2000 Less than 4000 More than 4000 Between 2000 and 4000 Less than 2000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an inward flow reaction turbine The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters at the center of the wheel and then flows towards the outer periphery of the wheel The water enters the wheel at the outer periphery and then flows towards the center of the wheel The flow of water is partly radial and partly axial The water flows parallel to the axis of the wheel The water enters at the center of the wheel and then flows towards the outer periphery of the wheel The water enters the wheel at the outer periphery and then flows towards the center of the wheel ANSWER DOWNLOAD EXAMIANS APP
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