Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Reduce the discharge fluctuation Convert velocity head to pressure head Increase the discharge Convert pressure head to velocity head Reduce the discharge fluctuation Convert velocity head to pressure head Increase the discharge Convert pressure head to velocity head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Greater than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is __________ hp. 20363 20090 1 5.5 20363 20090 1 5.5 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Vane anemometer Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is an area meter Is a variable head meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is an area meter Is a variable head meter None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to gravity forces is called the __________ number. Weber Mach Froude Euler Weber Mach Froude Euler ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor). V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ ANSWER DOWNLOAD EXAMIANS APP