Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They give constant efficiency, even if the discharge is not constant They have slow speeds All of these They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant They have slow speeds All of these They are suitable even for low water heads ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Buoyancy Archimedes’ principle Bernoulli’s theorem Equilibrium of a floating body Buoyancy Archimedes’ principle Bernoulli’s theorem Equilibrium of a floating body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a liquid is flowing through a pipe, the velocity of the liquid is Zero at the centre and maximum near the walls Maximum at the centre and zero near the walls Minimum at the centre and maximum near the walls Maximum at the centre and minimum near the walls Zero at the centre and maximum near the walls Maximum at the centre and zero near the walls Minimum at the centre and maximum near the walls Maximum at the centre and minimum near the walls ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In impulse Turbine, energy available at the inlet is in the form of Strain Energy None of these Kinetic energy Potential Energy Strain Energy None of these Kinetic energy Potential Energy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. None of these One-third Two-third One-half None of these One-third Two-third One-half ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow is called super-sonic if the None of these Discharge is difficult to measure Mach number is between 1 and 6 Velocity of flow is very high None of these Discharge is difficult to measure Mach number is between 1 and 6 Velocity of flow is very high ANSWER DOWNLOAD EXAMIANS APP
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