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. This saving in case of a single acting reciprocating pump is 0.848 0.392 0.884 0.488 0.848 0.392 0.884 0.488 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ? 0.515 0.5 0.5 0.4 0.515 0.5 0.5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be from reservoir B to reservoirs C and A from reservoir C to reservoirs A and B from reservoir A to reservoirs B and C unpredictable from reservoir B to reservoirs C and A from reservoir C to reservoirs A and B from reservoir A to reservoirs B and C unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The Bernoulli's equation is based on the assumption that There is no loss of energy of the liquid flowing No force except gravity acts on the fluid The velocity of flow is uniform across any cross-section of the pipe All of these There is no loss of energy of the liquid flowing No force except gravity acts on the fluid The velocity of flow is uniform across any cross-section of the pipe All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynolds number is significant in All of these full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc supersonics, as with projectile and jet propulsion simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls All of these full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc supersonics, as with projectile and jet propulsion simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head Pressure head - velocity head Pressure head + velocity head Velocity head Pressure head Pressure head - velocity head Pressure head + velocity head Velocity head ANSWER DOWNLOAD EXAMIANS APP