Chemical Reaction Engineering In a semi-batch reactor Residence time is constant Both the reactants flow counter-currently Maximum conversion can be controlled Velocity of reaction can be controlled Residence time is constant Both the reactants flow counter-currently Maximum conversion can be controlled Velocity of reaction can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ 1/an - 1 T ∝ 1/an + 1 T ∝ an T ∝ 1/an T ∝ 1/an - 1 T ∝ 1/an + 1 T ∝ an T ∝ 1/an ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus Operates at very high pressure Is made entirely of stainless steel None of these Measures the catalyst surface area directly Operates at very high pressure Is made entirely of stainless steel None of these Measures the catalyst surface area directly ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction Increases Decreases Remains unaffected Increases linearly with temperature Increases Decreases Remains unaffected Increases linearly with temperature 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 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. 0.5 2 1 3 0.5 2 1 3 ANSWER DOWNLOAD EXAMIANS APP