Chemical Reaction Engineering An autothermal reactor is Most suitable for a second order reaction Completely self-supporting in its thermal energy requirements Most suitable for a reversible reaction Isothermal in nature Most suitable for a second order reaction Completely self-supporting in its thermal energy requirements Most suitable for a reversible reaction Isothermal in nature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Third First Second Zero Third First Second Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by Diffusion within the pellet None of these External mass transfer Reaction Diffusion within the pellet None of these External mass transfer Reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. 0 < 0.5 ∞ > 0.5 0 < 0.5 ∞ > 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction, the rate constant Has unit of time⁻¹ None ofthese Is not a function of the unit of time Changes on changing the concentration units Has unit of time⁻¹ None ofthese Is not a function of the unit of time Changes on changing the concentration units ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Free energy of activation is higher Initial concentration of the reactants remains constant Entropy changes Free energy of activation is lower Free energy of activation is higher Initial concentration of the reactants remains constant Entropy changes Free energy of activation is lower ANSWER DOWNLOAD EXAMIANS APP