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) (W/p) × (a/A) (p/W) × (A/a) (W/p) × (A/a) (p/W) × (a/A) (W/p) × (a/A) (p/W) × (A/a) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water in a jet propelled boat is drawn through the openings facing the direction of motion of the boat. The efficiency of propulsion is given by 2V/(vr + v) V/(vr + v) 2V/(vr - v) V/(vr - v) 2V/(vr + v) V/(vr + v) 2V/(vr - v) V/(vr - v) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Rectangular Circular Square Trapezoidal Rectangular Circular Square Trapezoidal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sin²θ/Ax̅ above IG sinθ/Ax̅ above IG sin²θ/Ax̅ below IG sinθ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ above IG sin²θ/Ax̅ below IG sinθ/Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit of dynamic viscosity in S.I. units is Poise N-m/s² Stoke N-s/m² Poise N-m/s² Stoke N-s/m² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be H.P./0.75 1.5 B.H.P 0.75 B.H.P Same H.P./0.75 1.5 B.H.P 0.75 B.H.P Same ANSWER DOWNLOAD EXAMIANS APP
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