Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Is greater than Is smaller than Equals Can be either greater or smaller than (depends on the type of reaction) Is greater than Is smaller than Equals Can be either greater or smaller than (depends on the type of reaction) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving None of these Combustion of coal particles Roasting of sulphide ores Manufacture of carbon disulphide from elements None of these Combustion of coal particles Roasting of sulphide ores Manufacture of carbon disulphide from elements ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Increases the speed of a Can either increase or decrease the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a Increases the speed of a Can either increase or decrease the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carrier in a catalyst increases its Activity Surface area Performance None of these Activity Surface area Performance None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 1/3 1/2 1/9 3 1/3 1/2 1/9 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Ash resistance Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Ash resistance ANSWER DOWNLOAD EXAMIANS APP
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