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 Twice the breadth Half the breadth Half the depth Twice the depth Twice the breadth Half the breadth Half the depth Twice the depth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For laminar flow in circular pipes, the Darcy’s friction factor f is equal to 16/Re 32/ Re 64/ Re None of these 16/Re 32/ Re 64/ Re None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be 3 meters of water column 2 meters of water column 5 meters of water column 6 meters of water Column 3 meters of water column 2 meters of water column 5 meters of water column 6 meters of water Column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If no resistance is encountered by displacement, such a substance is known as Gas Water Ideal fluid Fluid Gas Water Ideal fluid Fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of 49.2% 39.2% 84.8% 68.8% 49.2% 39.2% 84.8% 68.8% ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in a pipe or channel is said to be non-uniform when The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at all sections have the same velocities The liquid particles at different sections have different velocities The quantity of liquid flowing per second is constant Each liquid particle has a definite path The liquid particles at all sections have the same velocities ANSWER DOWNLOAD EXAMIANS APP
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