Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) 4flv²/2gd flv²/gd flv²/2gd 3flv²/2gd 4flv²/2gd flv²/gd flv²/2gd 3flv²/2gd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Stream lines and path lines always coincide in case of steady flow uniform flow turbulent flow laminar flow steady flow uniform flow turbulent flow laminar flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.85 to 0.90 0.50 to 0.65 0.65 to 0.75 0.75 to 0.85 0.85 to 0.90 0.50 to 0.65 0.65 to 0.75 0.75 to 0.85 ANSWER DOWNLOAD EXAMIANS APP
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 0.5v²/2g 0.375v²/2g 0.75v²/2g v²/2g 0.5v²/2g 0.375v²/2g 0.75v²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The normal stress in a fluid will be constant in all directions at a point only if It is incompressible It is at rest It has zero viscosity It has uniform viscosity It is incompressible It is at rest It has zero viscosity It has uniform viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. Ax̅ / IG above IG / Ax̅ above IG / Ax̅ below Ax̅ / IG below Ax̅ / IG above IG / Ax̅ above IG / Ax̅ below Ax̅ / IG below ANSWER DOWNLOAD EXAMIANS APP