Question: A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be…

Question: An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature. [A]. is always equal to [B]. is always greater than [C]. is always less than [D]. may be greater or less than Answer:…

Question: For an ideal plug flow reactor, the value of Peclet number is [A]. 0 [B]. ∞ [C]. 1 [D]. 10 Answer: Option A Explanation: No answer description available for this question.

Question: For a vapour phase catalytic reaction (A + B P) which follows the Ridel mechanism and the reaction step is rate controlling, the rate of reaction is given by (reaction rate is irreversible, product also absorbs). [A]. [B]. [C].…

Question: In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for [A]. fast reactions in catalyst of small pore diameter. [B]. fast reaction in catalyst of large pore diameter. [C]. slow reactions…

Question: For the liquid phase parallel reactions:R, rR = K1.CA2; E1 = 80 KJ/moleS, rs= K1.CA ; E2 = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at…

Question: For the liquid phase zero order irreversible reaction A B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min-1 . What will be the conversion for a PFR with a…

Question: For the reversible reaction A 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ? [A]. 0.253 [B]. 0.338…

Question: An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is [A]. maximum at the inlet of the reactor. [B]. maximum at the exit of the reactor. [C]. maximum at…

Question: For the reaction, A + B 2B + C, [A]. rA = rB [B]. rA = -rB [C]. rA = 2rB [D]. rA = rB/2 Answer: Option B Explanation: No answer description available for this question.