Chemical Reaction Engineering The half life period of a first order reaction is Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants Half the specific rate constant Always the same irrespective of the reaction Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants Half the specific rate constant Always the same irrespective of the reaction 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 Tubular reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Both A and B Batch reactor is preferred over a single CSTR for high yield Tubular reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Both A and B Batch reactor is preferred over a single CSTR for high yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is Backmix reactor Plug flow reactor PFR in series Series of CSTR Backmix reactor Plug flow reactor PFR in series Series of CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 2.5 K 0.693/K 6.93 K 1.5 K 2.5 K 0.693/K 6.93 K 1.5 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fixed bed reactor followed by a fluidised Fluidised Fluidised bed reactor followed by a fixed Fixed Fixed bed reactor followed by a fluidised Fluidised Fluidised bed reactor followed by a fixed Fixed ANSWER DOWNLOAD EXAMIANS APP
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