Chemical Reaction Engineering Enzymes are destroyed, when the Temperature is very high Reactant's concentration is very low Reactant's concentration is very high Reaction rate is independent of the reactant's concentration Temperature is very high Reactant's concentration is very low Reactant's concentration is very high Reaction rate is independent of the reactant's concentration 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? 2.5 2 2.24 1.6 2.5 2 2.24 1.6 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. Tubular flow Fixed bed Stirred tank Batch Tubular flow Fixed bed Stirred tank Batch ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by a base is catalysed by all substances which have a tendency to Lose a proton None of these Gain an electron Gain a proton Lose a proton None of these Gain an electron Gain a proton ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air. (i) decreases (ii) decreases (i) decreases (ii) increases (i) increases (ii) decreases (i) increases (ii) increases (i) decreases (ii) decreases (i) decreases (ii) increases (i) increases (ii) decreases (i) increases (ii) increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The response curve for a step input signal from a reactor is called C-curve. The variance of C-curve in a 'tanks in series model' comprising of 'm' tanks is equal to m² 1/m m √m m² 1/m m √m ANSWER DOWNLOAD EXAMIANS APP
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