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) (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) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The major loss of energy in long pipes is due to sudden contraction friction sudden enlargement gradual contraction or enlargement sudden contraction friction sudden enlargement gradual contraction or enlargement ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. Equal to Less than More than None of these Equal to Less than More than None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure of liquid at throat in a Venturimeter is __________ than that at inlet. Lower Same Higher None of these Lower Same Higher None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which conditions do not change with time at any point, is known as uniform flow steady flow one dimensional flow turbulent flow uniform flow steady flow one dimensional flow turbulent flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mach number is significant in all of fhe above full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls supersonics, as with projectiles and jet propulsion all of fhe above full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls supersonics, as with projectiles and jet propulsion ANSWER DOWNLOAD EXAMIANS APP
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