Chemical Reaction Engineering The half life period of a first order reaction is Dependent on initial concentration of the reactants Always the same irrespective of the reaction Half the specific rate constant Proportional to the initial concentration of reactants Dependent on initial concentration of the reactants Always the same irrespective of the reaction Half the specific rate constant Proportional to the initial concentration of reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single PFR of volume V/X CSTR of volume V CSTR of volume V/X PFR of volume V PFR of volume V/X CSTR of volume V CSTR of volume V/X PFR of volume V ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The residence time distribution of an ideal CSTR is 1/τ (-t/τ) Τ exp (-t/τ) Exp(-t/τ) 1/τ exp (-t/τ) 1/τ (-t/τ) Τ exp (-t/τ) Exp(-t/τ) 1/τ exp (-t/τ) 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 unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor 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 unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for Fast reactions in catalyst of small pore diameter Slow reactions in catalyst of large pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Fast reactions in catalyst of small pore diameter Slow reactions in catalyst of large pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving Roasting of sulphide ores None of these Manufacture of carbon disulphide from elements Combustion of coal particles Roasting of sulphide ores None of these Manufacture of carbon disulphide from elements Combustion of coal particles ANSWER DOWNLOAD EXAMIANS APP
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