Chemical Reaction Engineering A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction. Equal to or more than Equal to Less than More than Equal to or more than Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Remains unchanged Decreases Increases Unpredictable from the data Remains unchanged Decreases Increases Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a Tubular reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Batch reactor is preferred over a single CSTR for high yield Both A and B Tubular reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Batch reactor is preferred over a single CSTR for high yield Both A and B ANSWER DOWNLOAD EXAMIANS APP
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 8621°K 8764°K 8987°K 9210°K 8621°K 8764°K 8987°K 9210°K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Suitable for liquid phase reactions involving small production rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate Least expensive to operate for a given rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a P.F.R., there May be lateral mixing of fluid Both A and B Neither A nor B Should not be any mixing along the flow path May be lateral mixing of fluid Both A and B Neither A nor B Should not be any mixing along the flow path ANSWER DOWNLOAD EXAMIANS APP