Chemical Reaction Engineering Promoter. Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Atlers the position of equilibrium in a reversible reaction Initiates a chemical reaction and is a catalyst by itself All of these Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Atlers the position of equilibrium in a reversible reaction Initiates a chemical reaction and is a catalyst by itself All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carrier in a catalyst increases its Performance Activity None of these Surface area Performance Activity None of these Surface area ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. Equal to More than Equal to or more than Less than Equal to More than Equal to or more than Less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is Either A or B, depends on other factors More Less Same Either A or B, depends on other factors More Less Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Increase the activity of a catalyst Have very high selectivity Inhibit catalyst poisoning Provide large surface area with a small amount of active material Increase the activity of a catalyst Have very high selectivity Inhibit catalyst poisoning Provide large surface area with a small amount of active material ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. Fixed bed Tubular flow Batch Stirred tank Fixed bed Tubular flow Batch Stirred tank ANSWER DOWNLOAD EXAMIANS APP
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