Chemical Reaction Engineering B.E.T. method can be used to determine the __________ of a porous catalyst. Solid density Surface area Pore volume All of these Solid density Surface area Pore volume All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Concentration of reactants Temperature Pressure Duration of reaction Concentration of reactants Temperature Pressure Duration of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by An active surface of the catalyst Small pore diameter Large catalyst particle size All of these An active surface of the catalyst Small pore diameter Large catalyst particle size All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.24 2 1.6 2.5 2.24 2 1.6 2.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Thermodynamic equilibrium constant in a system is affected by Inerts Pressure All of these Temperature Inerts Pressure All of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion ANSWER DOWNLOAD EXAMIANS APP
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