Chemical Reaction Engineering A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are Of such size that the ratio of their volumes is < 5 None of these Of different sizes Equal in size Of such size that the ratio of their volumes is < 5 None of these Of different sizes Equal in size ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. Batch Tubular flow Stirred tank Fixed bed Batch Tubular flow Stirred tank Fixed bed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature Does not affect a catalysed reaction Normally tends to increase the reaction rate Does not affect photo-chemical reaction rates All of these Does not affect a catalysed reaction Normally tends to increase the reaction rate Does not affect photo-chemical reaction rates All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO₂ and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant? 0.95 1 0.2 0.75 0.95 1 0.2 0.75 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a CSTR __________ varies with time. Concentration Both A & B Reaction rate Neither A nor B Concentration Both A & B Reaction rate Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Litre/mole.second Litre/second Litre/mole Moles/litre.second Litre/mole.second Litre/second Litre/mole Moles/litre.second ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS