Chemical Reaction Engineering The half life period of a first order reaction is Dependent on initial concentration of the reactants Half the specific rate constant Always the same irrespective of the reaction Proportional to the initial concentration of reactants Dependent on initial concentration of the reactants Half the specific rate constant Always the same irrespective of the reaction Proportional to the initial concentration of reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. 100 100000 10000 1000 100 100000 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second. 3 2 1 0.5 3 2 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as ND = n + 1 ND = (n + 1)/2 None of these ND = n/2 ND = n + 1 ND = (n + 1)/2 None of these ND = n/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a tubular flow reactor with uniform concentration and temperature, the independent variable is Length Diameter None of these Time Length Diameter None of these Time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst promoter Itself has very high activity All of these Acts as a catalyst support Improves the activity of a catalyst Itself has very high activity All of these Acts as a catalyst support Improves the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP