Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α T . e-E/RT K α √T . e-E/RT K α e-E/RT K α eE/RT K α T . e-E/RT K α √T . e-E/RT K α e-E/RT K α eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Can be either greater or smaller than (depends on the type of reaction) Is smaller than Is greater than Equals Can be either greater or smaller than (depends on the type of reaction) Is smaller than Is greater than Equals ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Batch process is preferred over continuous process, when the Same equipment can not be used for several processes of the same nature All of these Sales demand of product is not steady Product yields and quality can not be achieved in continuous process, because of long residence time Same equipment can not be used for several processes of the same nature All of these Sales demand of product is not steady Product yields and quality can not be achieved in continuous process, because of long residence time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Always irreversible Insensitive to temperature changes Highly temperature sensitive Mostly irreversible Always irreversible Insensitive to temperature changes Highly temperature sensitive Mostly irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ resistance is not involved in the combustion of a carbon particle. Chemical reaction Ash None of these Gas film Chemical reaction Ash None of these Gas film ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction All of these Alters the reaction mechanism Decreases the activation energy Increases the frequency of collisions of reacting species All of these Alters the reaction mechanism Decreases the activation energy Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP