Hydraulics and Fluid Mechanics in ME In a static fluid Only normal stresses can exist Resistance to shear stress is small Fluid pressure is zero Linear deformation is small Only normal stresses can exist Resistance to shear stress is small Fluid pressure is zero Linear deformation is small ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is 10 kN/m3 6 kN/m3 7.5 kN/m3 4.5 kN/m3 10 kN/m3 6 kN/m3 7.5 kN/m3 4.5 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.5 a. √2gH √2gH 0.707 a. √2gH 0.855 a. √2gH 0.5 a. √2gH √2gH 0.707 a. √2gH 0.855 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a forced vortex, the velocity of flow everywhere within the fluid is maximum minimum non-zero finite zero maximum minimum non-zero finite zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.46 0.26 0.36 0.56 0.46 0.26 0.36 0.56 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head at entrance in a pipe is (where v = Velocity of liquid in the pipe) 0.75v²/2g 0.5v²/2g v²/2g 0.375v²/2g 0.75v²/2g 0.5v²/2g v²/2g 0.375v²/2g ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS