Chemical Reaction Engineering Which of the following is not endothermic in nature? Thermal cracking of fuel oil Combustion of sulphur Gasification of carbon Steam reforming of naphtha Thermal cracking of fuel oil Combustion of sulphur Gasification of carbon Steam reforming of naphtha ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.5 1.6 2.24 2 2.5 1.6 2.24 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photo-chemical reactions occur in presence of Darkness Monochromatic radiation only Solid catalysts Sunlight Darkness Monochromatic radiation only Solid catalysts Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? Ln CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs ln t1/2 CA0 Vs t1/2 Ln CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs ln t1/2 CA0 Vs t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A backmix reactor Is same as plug-flow reactor Is most suitable for gas phase reaction Employs mixing in axial direction only Is same as ideal stirred tank reactor Is same as plug-flow reactor Is most suitable for gas phase reaction Employs mixing in axial direction only Is same as ideal stirred tank reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Always irreversible Insensitive to temperature changes Highly temperature sensitive Mostly irreversible Always irreversible Insensitive to temperature changes Highly temperature sensitive Mostly irreversible ANSWER DOWNLOAD EXAMIANS APP
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