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 Δp² > Δp Δp < Δp Δp² > Δp ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of actual discharge to theoretical discharge through an orifice is equal to Cv . Cd Cc . Cv Cc . Cd Cd/Cv Cv . Cd Cc . Cv Cc . Cd Cd/Cv ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Can be operated with delivery valve closed Deliver liquid at uniform pressure Are not subject to air binding Can handle slurries more efficiently Can be operated with delivery valve closed Deliver liquid at uniform pressure Are not subject to air binding Can handle slurries more efficiently ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is 1 > 1 2 < 1 1 > 1 2 < 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) Vs/Dp³ Vs²/Dp³ Vs²/Dp² Vs/Dp² Vs/Dp³ Vs²/Dp³ Vs²/Dp² Vs/Dp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of supersonic flow of a fluid through pipeline, the 'Mach number' is 1 > 1 < 1 1 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP