Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. None of these Decreases Remain same Increases None of these Decreases Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice. One-third One-fourth Equal to One-half One-third One-fourth Equal to One-half ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is 2.89 kN 9.28 kN 28.9 kN 8.29 kN 2.89 kN 9.28 kN 28.9 kN 8.29 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is √2 1/√2 1 43832 √2 1/√2 1 43832 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 cohesion adhesion surface tension viscosity cohesion adhesion 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 r²/2g 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 ANSWER DOWNLOAD EXAMIANS APP