Hydraulics and Fluid Mechanics in ME A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is 4.5 kN/m3 10 kN/m3 7.5 kN/m3 6 kN/m3 4.5 kN/m3 10 kN/m3 7.5 kN/m3 6 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is greater than 2d between d and 1.5 d between 1.5 d and 2d less than d greater than 2d between d and 1.5 d between 1.5 d and 2d less than d ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is 0.6 0.4 0.8 0.5 0.6 0.4 0.8 0.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Reduce acceleration to minimum Smoothen flow Save pump from cavitations Increase pump efficiency Reduce acceleration to minimum Smoothen flow Save pump from cavitations Increase pump efficiency ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as Volumetric efficiency Overall efficiency Mechanical efficiency Manometric efficiency Volumetric efficiency Overall efficiency Mechanical efficiency Manometric efficiency ANSWER DOWNLOAD EXAMIANS APP
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