Hydraulics and Fluid Mechanics in ME The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe) v²/2g 0.375v²/2g 0.75v²/2g 0.5v²/2g v²/2g 0.375v²/2g 0.75v²/2g 0.5v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is 0.5 v₁²/2g 0.375 v₂²/2g v₂²/2g v₁²/2g 0.5 v₁²/2g 0.375 v₂²/2g v₂²/2g v₁²/2g 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/(H - hf ) H/(H + hf ) (H - hf )/H (H + hf )/H H/(H - hf ) H/(H + hf ) (H - hf )/H (H + hf )/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than All of these surface friction frictional force viscosity All of these surface friction frictional force viscosity 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 32/ Re 64/ Re None of these 16/Re 32/ Re 64/ Re None of these 16/Re ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipe systems can be said to be equivalent, when the following quantites are same friction loss and flow flow and length length and diameter friction factor and diameter friction loss and flow flow and length length and diameter friction factor and diameter ANSWER DOWNLOAD EXAMIANS APP
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