Chemical Reaction Engineering MCQs
Practice free Chemical Reaction Engineering multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 496 questions — no login required.
Question 127hard
Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison.
Question 128hard
A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction.
Question 129easy
BET apparatus
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Question 130medium
Which of the following is the most suitable for isothermal operation?
Question 131hard
In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds.
Question 132hard
In the gaseous phase ammonia formation reaction (N2 + 3H2 ⇋ 2NH3), the value of the equilibrium constant depends on the
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Question 133hard
The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the
Question 134hard
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)
Question 135medium
Photochemical reaction rate does not depend significantly on temperature, because