Chemical Reaction Engineering The half life period of a first order reaction is Proportional to the initial concentration of reactants Always the same irrespective of the reaction Dependent on initial concentration of the reactants Half the specific rate constant Proportional to the initial concentration of reactants Always the same irrespective of the reaction Dependent on initial concentration of the reactants Half the specific rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Proportional to Inversely proportional to Independent of Proportional to the square of Proportional to Inversely proportional to Independent of Proportional to the square of ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The performance equations for constant density systems are identical for P.F.R. and batch reactor P.F.R, batch reactor and backmix reactor Batch reactor and backmix reactor P.F.R. and backmix reactor P.F.R. and batch reactor P.F.R, batch reactor and backmix reactor Batch reactor and backmix reactor P.F.R. and backmix reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature. Much higher Much lower Lower Higher Much higher Much lower Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions with low activation energy are Always spantaneous Slow Fast Non-spontaneous Always spantaneous Slow Fast Non-spontaneous ANSWER DOWNLOAD EXAMIANS APP
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