Chemical Reaction Engineering Which of the following fixes the volume of a batch reactor for a particular conversion and production rate? Operating conditions (e.g. pressure and temperature) Rate constant Density of mixture None of these Operating conditions (e.g. pressure and temperature) Rate constant Density of mixture None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor Composition throughout the reactor remains same All of these Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor Composition throughout the reactor remains same All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR. 0.9 0.6 0.15 0.3 0.9 0.6 0.15 0.3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the All of these Fractional conversion of Equilibrium constant is infinite Concentration of All of these Fractional conversion of Equilibrium constant is infinite Concentration of 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) increases (ii) decreases (i) decreases (ii) increases (i) decreases (ii) decreases (i) increases (ii) increases (i) increases (ii) decreases (i) decreases (ii) increases (i) decreases (ii) decreases (i) increases (ii) increases ANSWER DOWNLOAD EXAMIANS APP
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