Chemical Reaction Engineering Space time in flow reactor is The reciprocal of the space velocity Usually equal to the residence time Both A and B A measure of its capacity The reciprocal of the space velocity Usually equal to the residence time Both A and B A measure of its capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Unpredictable from the data Decreases Increases Remains unchanged Unpredictable from the data Decreases Increases Remains unchanged 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 1 2 0.5 3 1 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor None of these The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor None of these The unit of space velocity is (time)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sulphuric acid is used as a catalyst in the Gas phase oxidation of SO₂ in chamber process Alkylation of hydrocarbons Hydrogenation of oils None of these Gas phase oxidation of SO₂ in chamber process Alkylation of hydrocarbons Hydrogenation of oils None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. All of these High shutdown time requirement for emptying, cleaning and refilling Poor product quality control High labour and handling cost All of these High shutdown time requirement for emptying, cleaning and refilling Poor product quality control High labour and handling cost ANSWER DOWNLOAD EXAMIANS APP