Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit discharge of wheel is 0.5 m3/s 0.25 m3/s 1.5 m3/s 2.5 m3/s 0.5 m3/s 0.25 m3/s 1.5 m3/s 2.5 m3/s ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, center of pressure is 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 below be center of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Air vessels in reciprocating pump are used to Save pump from cavitations Reduce acceleration to minimum Increase pump efficiency Smoothen flow Save pump from cavitations Reduce acceleration to minimum Increase pump efficiency Smoothen flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge of a centrifugal pump is (where N = Speed of the pump impeller) Directly proportional to N Inversely proportional to N Directly proportional to N² Inversely proportional to N² Directly proportional to N Inversely proportional to N Directly proportional to N² Inversely proportional to N² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is 0.488 0.884 0.848 0.392 0.488 0.884 0.848 0.392 ANSWER DOWNLOAD EXAMIANS APP