Chemical Reaction Engineering Space time in flow reactor is The reciprocal of the space velocity A measure of its capacity Usually equal to the residence time Both A and B The reciprocal of the space velocity A measure of its capacity Usually equal to the residence time Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Molecularity of a reaction Is always equal to the overall order of reaction Both B and C May not be equal to the order of reaction Can Is always equal to the overall order of reaction Both B and C May not be equal to the order of reaction Can ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not endothermic in nature? Combustion of sulphur Thermal cracking of fuel oil Steam reforming of naphtha Gasification of carbon Combustion of sulphur Thermal cracking of fuel oil Steam reforming of naphtha Gasification of carbon ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Free energy of activation is higher Free energy of activation is lower Initial concentration of the reactants remains constant Entropy changes Free energy of activation is higher Free energy of activation is lower Initial concentration of the reactants remains constant Entropy changes ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 1.6 2.5 2 2.24 1.6 2.5 2 2.24 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature. Lower Higher Much higher Much lower Lower Higher Much higher Much lower ANSWER DOWNLOAD EXAMIANS APP
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