Chemical Reaction Engineering Catalyst carriers Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity Increase the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Mean residence time is equal to the space time, when The feed rate is measured at temperature and pressure in the reactor All of these The temperature, pressure and the density of reaction mixture remains constant throughout the reactor There is no change in number of moles in gaseous reaction The feed rate is measured at temperature and pressure in the reactor All of these The temperature, pressure and the density of reaction mixture remains constant throughout the reactor There is no change in number of moles in gaseous reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Molecularity of an elementary reaction, P + Q → R + S is 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An autothermal reactor is Most suitable for a second order reaction Most suitable for a reversible reaction Completely self-supporting in its thermal energy requirements Isothermal in nature Most suitable for a second order reaction Most suitable for a reversible reaction Completely self-supporting in its thermal energy requirements Isothermal in nature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is The time required to reduce the concentration of the reacting substance to half its initial value Half of the residence time of a reaction Half of the space time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the residence time of a reaction Half of the space time of a reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction, the rate constant Changes on changing the concentration units None ofthese Has unit of time⁻¹ Is not a function of the unit of time Changes on changing the concentration units None ofthese Has unit of time⁻¹ Is not a function of the unit of time ANSWER DOWNLOAD EXAMIANS APP
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