Chemical Engineering :: Chemical Reaction Engineering
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In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in __________ in the concentration of CO2.
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The rate of a homogeneous reaction is a function of
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In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________
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Pick out the correct statement.
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Promoter is added to the catalyst to improve its
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An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will
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When a high liquid hold up is required in a reactor for gas liquid reaction, use __________ coloumn.
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In an exothermic reaction, the energy of the reacting substances as compared to that of products is
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For a tubular flow reactor with uniform concentration and temperature, the independent variable is
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Pick out the wrong statement.
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A.
For a first order consecutive reaction, a tubular flow reactor as compared to a stirred tank reactor provides higher overall selectivity.
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B.
For an ideal mixed reactor at steady state, the exit stream has the same composition as fluid within the reactor and the space time is equivalent to holding time for constant density system.
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C.
Plug flow reactor (PFR) is always smaller than mixed reactor for all positive reaction orders for a particular duty.
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D.
Reaction rate does not decrease appreciably as the reaction proceeds in case of an autocatalytic reaction.
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