Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Control the rate of discharge Facilitate unidirectional flow of liquid Reduce the discharge pressure Protect the pump against developing excessive pressure Control the rate of discharge Facilitate unidirectional flow of liquid Reduce the discharge pressure Protect the pump against developing excessive pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Schmidt number tends to infinity Nusselt number tends to infinity Prandtl number is one Archimedes number is greater than 10000 Schmidt number tends to infinity Nusselt number tends to infinity Prandtl number is one Archimedes number is greater than 10000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. II, IV, V I, II, III II, III, V I, II, V II, IV, V I, II, III II, III, V I, II, V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is < Δp Δp > Δp Δp² < Δp Δp > Δp Δp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady uniform flow is represented by flow through a/an None of these Expanding tube at constant rate Long pipe at decreasing rate Long pipe at constant rate None of these Expanding tube at constant rate Long pipe at decreasing rate Long pipe at constant rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For an unstable equilibrium of a floating body (where, M = metacentre.) M is above G M is below G None of these M & G coincide M is above G M is below G None of these M & G coincide ANSWER DOWNLOAD EXAMIANS APP