Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is 9210°K 8987°K 8764°K 8621°K 9210°K 8987°K 8764°K 8621°K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An autothermal reactor is Completely self-supporting in its thermal energy requirements Most suitable for a reversible reaction Isothermal in nature Most suitable for a second order reaction Completely self-supporting in its thermal energy requirements Most suitable for a reversible reaction Isothermal in nature Most suitable for a second order reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison. Stability Selectivity Chemisorbed Deposited Stability Selectivity Chemisorbed Deposited ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E + ΔHA - ΔHR E E + ΔHA ΔHA + ΔHR E + ΔHA - ΔHR E E + ΔHA ΔHA + ΔHR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sulphuric acid is used as a catalyst in the Hydrogenation of oils Alkylation of hydrocarbons None of these Gas phase oxidation of SO₂ in chamber process Hydrogenation of oils Alkylation of hydrocarbons None of these Gas phase oxidation of SO₂ in chamber process ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Design of heterogeous catalytic reactor involves consideration of __________ steps. Neither A nor B Only chemical Both A & B Only physical Neither A nor B Only chemical Both A & B Only physical ANSWER DOWNLOAD EXAMIANS APP
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