Hydraulics and Fluid Mechanics in ME The force exerted by a moving fluid on an immersed body is directly proportional to the rate of change of momentum due to the presence of the body. This statement is called Newton's law of viscosity Newton's law of resistance Newton's law of motion Newton's law of cooling Newton's law of viscosity Newton's law of resistance Newton's law of motion Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
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 Half the breadth Twice the depth Twice the breadth Half the depth Half the breadth Twice the depth Twice the breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Unpredictable Decreases Increases Remain unaffected Unpredictable Decreases Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For pipes, laminar flow occurs when Reynolds number is Less than 2000 More than 4000 Less than 4000 Between 2000 and 4000 Less than 2000 More than 4000 Less than 4000 Between 2000 and 4000 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe) (H + hf )/H H/(H + hf ) (H - hf )/H H/(H - hf ) (H + hf )/H H/(H + hf ) (H - hf )/H H/(H - hf ) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a siphon spillway is Cd × a × √(2g) × H3/2 Cd × a × √(2gH) Cd × a × √(2g) × H5/2 Cd × a × √(2g) × H2 Cd × a × √(2g) × H3/2 Cd × a × √(2gH) Cd × a × √(2g) × H5/2 Cd × a × √(2g) × H2 ANSWER DOWNLOAD EXAMIANS APP
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