Chemical Reaction Engineering The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C. 256 612 512 112 256 612 512 112 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Neither A nor B Temperature Pressure Both A & B Neither A nor B Temperature Pressure Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Decrease in activation energy None of these Increase in the number of effective collisions Increase in the average kinetic energy of the reacting molecules Decrease in activation energy None of these Increase in the number of effective collisions Increase in the average kinetic energy of the reacting molecules ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the chemical reaction A → B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction? 0.5 1 2 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fixed bed reactor followed by a fluidised Fluidised bed reactor followed by a fixed Fixed Fluidised Fixed bed reactor followed by a fluidised Fluidised bed reactor followed by a fixed Fixed Fluidised ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sometimes, batch process is preferred over continuous process, when the product Quality & yield can not be achieved in continuous processes, because of long residence time Both A & B Neither A nor B Sales demand is fluctuating Quality & yield can not be achieved in continuous processes, because of long residence time Both A & B Neither A nor B Sales demand is fluctuating ANSWER DOWNLOAD EXAMIANS APP