Hydraulics and Fluid Mechanics in ME A liquid would wet the solid, if adhesion forces as compared to cohesion forces are less at low temperature and more at high temperature equal less more less at low temperature and more at high temperature equal less more ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The coefficient of discharge for an external mouthpiece depends upon Length of mouthpiece Area of mouthpiece Velocity of liquid Pressure of liquid Length of mouthpiece Area of mouthpiece Velocity of liquid Pressure of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is 9,000 kg 27,000 kg 18,000 kg 13,500 kg 9,000 kg 27,000 kg 18,000 kg 13,500 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Multistage centrifugal pumps are used to All of these Give high discharge Pump viscous fluids Produce high heads All of these Give high discharge Pump viscous fluids Produce high heads ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Pascal’s law Principle of flotation Bernoulli’s theorem Archimedes’s principle Pascal’s law Principle of flotation Bernoulli’s theorem Archimedes’s principle ANSWER DOWNLOAD EXAMIANS APP
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