Chemical Reaction Engineering With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. Unpredictable from the data Decreases Remains unaffected Increases Unpredictable from the data Decreases Remains unaffected Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Residence time is constant Velocity of reaction can be controlled Maximum conversion can be controlled Both the reactants flow counter-currently Residence time is constant Velocity of reaction can be controlled Maximum conversion can be controlled Both the reactants flow counter-currently ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length Increases First increases and then decreases Decreases Is at the highest allowable temperature throughout Increases First increases and then decreases Decreases Is at the highest allowable temperature throughout ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times. 8 32 16 12 8 32 16 12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Pressure and temperature only Temperature and composition only Pressure, temperature and composition Pressure and composition only Pressure and temperature only Temperature and composition only Pressure, temperature and composition Pressure and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component All of these Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component All of these ANSWER DOWNLOAD EXAMIANS APP
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