Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected Decreases Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Have very high selectivity Increase the activity of a catalyst Inhibit catalyst poisoning Provide large surface area with a small amount of active material Have very high selectivity Increase the activity of a catalyst Inhibit catalyst poisoning Provide large surface area with a small amount of active material ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The irreversible reaction is a special case of reversible reaction, if the Reactant concentration at equilibrium condition is zero Equilibrium constant is 1 Conversion of the reactant at equilibrium condition is zero All of these Reactant concentration at equilibrium condition is zero Equilibrium constant is 1 Conversion of the reactant at equilibrium condition is zero All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is Maximum at the inlet of the reactor Constant throughout the reactor Maximum at the exit of the reactor Maximum at the centre of the reactor Maximum at the inlet of the reactor Constant throughout the reactor Maximum at the exit of the reactor Maximum at the centre of the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal mixed flow reactor (CSTR), the exit age distribution E(t) is given by A ramp function None of these A dirac delta function A step function A ramp function None of these A dirac delta function A step function ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.) Reactor dispersion number (D/vL) None of these Reduced time (vt/V) Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) None of these Reduced time (vt/V) Thiele modulus (L√(k/D1) ANSWER DOWNLOAD EXAMIANS APP