Hydraulics and Fluid Mechanics in ME The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to Half the depth Twice the depth Half the breadth Twice the breadth Half the depth Twice the depth Half the breadth Twice the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the work done on the wheel to the energy of the jet Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine None of these Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the work done on the wheel to the energy of the jet Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of buoyancy always remains below the centre of gravity remains above the centre of gravity coincides with the centre of gravity coincides with the centroid of the volume of fluid displaced remains below the centre of gravity remains above the centre of gravity coincides with the centre of gravity coincides with the centroid of the volume of fluid displaced 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 Archimedes’s principle Principle of flotation Bernoulli’s theorem Pascal’s law Archimedes’s principle Principle of flotation Bernoulli’s theorem Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The stress-strain relation of the newtoneon fluid is parabolic hyperbolic linear inverse type parabolic hyperbolic linear inverse type ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch. 0.015 0.01 0.025 0.02 0.015 0.01 0.025 0.02 ANSWER DOWNLOAD EXAMIANS APP