Process Equipment and Plant Design Value of Peclet number = ∞, is the representative of Eddy diffusivity = 0 Laminar flow Plug flow Complete back mixing Eddy diffusivity = 0 Laminar flow Plug flow Complete back mixing ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency May increase or decrease depending upon the plate spacing Increases Remains same Decreases May increase or decrease depending upon the plate spacing Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design A pipe is generally made of circular cross-section, because a circular cross-section has the Both A & B Lowest surface area requirement for a given volume None of these Higher structural strength Both A & B Lowest surface area requirement for a given volume None of these Higher structural strength ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms. 20 10 35 30 20 10 35 30 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The optimum size ratio for two mixed reactors in series depends on the kinetics of the reaction and the conversion level. For reaction orders more than one, the None of these Smaller reactor should come first Equal sized reactors are the best Larger reactor should come first None of these Smaller reactor should come first Equal sized reactors are the best Larger reactor should come first ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column. 600 to 700 250 to 500 100 to 150 50 to 100 600 to 700 250 to 500 100 to 150 50 to 100 ANSWER DOWNLOAD EXAMIANS APP