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) (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) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) A × √(m × i) AC × √(m × i) mi × √(A × C) C × √(m × i) A × √(m × i) AC × √(m × i) mi × √(A × C) C × √(m × i) 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 between d and 1.5 d between 1.5 d and 2d greater than 2d less than d between d and 1.5 d between 1.5 d and 2d greater than 2d less than d ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The shear stress-strain graph for a Newtonian fluid is a Parabolic curve Hyperbolic curve Straight line Elliptical Parabolic curve Hyperbolic curve Straight line Elliptical ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is below be center of gravity above the center of gravity could be above or below e.g. depending on density of body and liquid at the center of gravity below be center of gravity above the center of gravity could be above or below e.g. depending on density of body and liquid at the center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Eight times Sixteen times Double Four times Eight times Sixteen times Double Four times ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS