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) (p/W) × (a/A) (W/p) × (A/a) (W/p) × (a/A) (p/W) × (A/a) (p/W) × (a/A) (W/p) × (A/a) (W/p) × (a/A) (p/W) × (A/a) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wave), the portion of pipe length subjected to maximum head is L/4 L/3 L/2 L L/4 L/3 L/2 L ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME One poise is equal to 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 100 N-s/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Resultant pressure of the liquid in the case of an immersed body acts through Centre of buoyancy Centre of pressure Metacentre Centre of gravity Centre of buoyancy Centre of pressure Metacentre Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine with increase in unit speed First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases Increases Remain unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. One-third Two-third One-half None of these One-third Two-third One-half None of these ANSWER DOWNLOAD EXAMIANS APP
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