Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Increase in the number of effective collisions None of these Decrease in activation energy Increase in the average kinetic energy of the reacting molecules Increase in the number of effective collisions None of these Decrease in activation energy Increase in the average kinetic energy of the reacting molecules ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Gas film diffusion Chemical reaction Ash diffusion None of these Gas film diffusion Chemical reaction Ash diffusion None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will Decrease Remain same Data in insufficient; can't be predicted Increase Decrease Remain same Data in insufficient; can't be predicted Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of Chanelling Bypass Dead zone Ideal plug flow Chanelling Bypass Dead zone Ideal plug flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E + ΔHA ΔHA + ΔHR E + ΔHA - ΔHR E E + ΔHA ΔHA + ΔHR E + ΔHA - ΔHR E ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for very high pressure gas phase reaction? Tubular flow reactor Stirred tank reactor Batch reactor Fluidised bed reactor Tubular flow reactor Stirred tank reactor Batch reactor Fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
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