Chemical Reaction Engineering Vegetable oils are hydrogenated in a __________ reactor. None of these Plug flow Slurry Homogeneous catalytic None of these Plug flow Slurry Homogeneous catalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Decreases Increases Remains unaffected Can either increase or decrease (depends on the type of catalyst) Decreases Increases Remains unaffected Can either increase or decrease (depends on the type of catalyst) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and absorbed B Desorption of C Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Surface reaction between A in the gas phase and absorbed B Surface reaction between absorbed A and absorbed B Desorption of C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Single tubular flow reactor (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fluidised Fixed bed reactor followed by a fluidised Fixed Fluidised bed reactor followed by a fixed Fluidised Fixed bed reactor followed by a fluidised Fixed Fluidised bed reactor followed by a fixed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate ANSWER DOWNLOAD EXAMIANS APP
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