Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is lOkN 20 kN 5kN 15 kN lOkN 20 kN 5kN 15 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow rate in gear pump Increases with increase in pressure Unpredictable More or less remains constant with increase in pressure Decreases with increase in pressure Increases with increase in pressure Unpredictable More or less remains constant with increase in pressure Decreases with increase in pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass per unit volume of a liquid at a standard temperature and pressure is called Mass density Specific gravity None of these Specific weight Mass density Specific gravity None of these Specific weight ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, Double One-fourth One-half Three-fourth Double One-fourth One-half Three-fourth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mercury does not wet glass. This is due to property of liquid known as viscosity adhesion cohesion surface tension viscosity adhesion cohesion surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r²/4g π w ω² r³/4g π w ω² r⁴/4g π w ω² r²/2g π w ω² r²/4g π w ω² r³/4g π w ω² r⁴/4g π w ω² r²/2g ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS