Chemical Reaction Engineering - Study Mode
[#146] 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)
Correct Answer
(A) Tan hT/T
[#147] Photochemical reaction rate does not depend significantly on temperature, because
Correct Answer
(C) The energy of reacting molecules exceeds the activation energy by absorption of light
[#148] The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions.
Correct Answer
(A) Autocatalytic
[#149] With increase in temperature, the equilibrium __________ rises in case of endothermic reaction.
Correct Answer
(B) Conversion
[#150] Catalyst carriers
Correct Answer
(C) Provide large surface area with a small amount of active material