Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by Large catalyst particle size An active surface of the catalyst Small pore diameter All of these Large catalyst particle size An active surface of the catalyst Small pore diameter All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance All of these Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance All of these Loss in surface area of the active component ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the equilibrium __________ rises in case of endothermic reaction. Constant Both A & B Conversion Neither A nor B Constant Both A & B Conversion Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. More than Less than Same as Data insufficient; can't be predicted More than Less than Same as Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space time in flow reactor is Both A and B A measure of its capacity Usually equal to the residence time The reciprocal of the space velocity Both A and B A measure of its capacity Usually equal to the residence time The reciprocal of the space velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is 8621°K 8764°K 8987°K 9210°K 8621°K 8764°K 8987°K 9210°K ANSWER DOWNLOAD EXAMIANS APP
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