Chemical Reaction Engineering The value of 'n' for a chemical reaction A → B, whose reaction rate is → CAn, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled. 1 3 2 1 3 2 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. Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because It is a reversible reaction None of these The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction It is a reversible reaction None of these The energy of reacting molecules exceeds the activation energy by absorption of light It is an exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A typical example of an exothermic reversible reaction conducted at high pressure in industry is Methanol synthesis Polymerisation of ethylene Dehydration of ethanol Reformation of methane Methanol synthesis Polymerisation of ethylene Dehydration of ethanol Reformation of methane ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours After every 5 hours, reactor is being filled with the feed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Autocatalytic reactions are best carried out in a Plug flow reactor CSTR in series Recycle reactor CSTR Plug flow reactor CSTR in series Recycle reactor CSTR ANSWER DOWNLOAD EXAMIANS APP
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