Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (W/p) × (A/a) (p/W) × (A/a) (p/W) × (a/A) (W/p) × (a/A) (W/p) × (A/a) (p/W) × (A/a) (p/W) × (a/A) (W/p) × (a/A) 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/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc 100 kg 1000 kg 1 kg 10 kg 100 kg 1000 kg 1 kg 10 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of 0.492 0.848 0.392 0.688 0.492 0.848 0.392 0.688 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One poise is equal to 100 N-s/m2 0.1 N-s/m2 1 N-s/m2 10 N-s/m2 100 N-s/m2 0.1 N-s/m2 1 N-s/m2 10 N-s/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in Neutral equilibrium None of these Unstable equilibrium Stable equilibrium Neutral equilibrium None of these Unstable equilibrium Stable equilibrium ANSWER DOWNLOAD EXAMIANS APP
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