Hydraulics and Fluid Mechanics in ME When a body is placed over a liquid, it will sink down if Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid Gravitational force is less than the up-thrust of the liquid Gravitational force is equal to the up-thrust of the liquid None of these Gravitational force is more than the up-thrust of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head Pressure head + velocity head Pressure head - velocity head Velocity head Pressure head Pressure head + velocity head Pressure head - velocity head Velocity head 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 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 3 meters of water column 2 meters of water column 5 meters of water column ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc × Cr Cv × Cr Cc × Cv Cc/Cr Cc × Cr Cv × Cr Cc × Cv Cc/Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between Lift and drag Drag and resultant force Lift and tangential force Lift and resultant force Lift and drag Drag and resultant force Lift and tangential force Lift and resultant force ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be w/h wh h/w h w/h wh h/w h ANSWER DOWNLOAD EXAMIANS APP