Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Duration of reaction Pressure Concentration of reactants Temperature Duration of reaction Pressure Concentration of reactants Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The vessel dispersion number (D/μL) for plug flow is ∞ 500 750 ∞ 500 750 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. Either A, B or C Film diffusion Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion Diffusion through ash layer Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of forward reaction, the value of rate constant Remain same Decreases Increases Becomes infinite Remain same Decreases Increases Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Transition state theory relates the above quantities as K ∝ T1.5 K ∝ T.eE/RT K ∝ e-E/RT K ∝ √T K ∝ T1.5 K ∝ T.eE/RT K ∝ e-E/RT K ∝ √T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a Batch reactor is preferred over a single CSTR for high yield Both A and B Single CSTR is the most suitable Tubular reactor is preferred over a single CSTR for high yield Batch reactor is preferred over a single CSTR for high yield Both A and B Single CSTR is the most suitable Tubular reactor is preferred over a single CSTR for high yield ANSWER DOWNLOAD EXAMIANS APP
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