What is the dispersion number for a CSTR ?
What is the dispersion number for a CSTR ?
A. 0
B. 1
C. < 1
D. ∞
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Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the ___________________?
Catalytic action in a catalytic chemical reaction follows from the ability of catalyst to change the ___________________?A. Activation energy
B. Equilibrium constant
C. Heat of reaction
D. None of theseIn case of physical adsorption, the heat of adsorption is of the order of _____________ kcal/kg mole?
In case of physical adsorption, the heat of adsorption is of the order of _____________ kcal/kg mole?A. 100
B. 1000
C. 10000
D. 100000For a tubular flow reactor with uniform concentration and temperature, the independent variable is___________________?
For a tubular flow reactor with uniform concentration and temperature, the independent variable is___________________?A. Time
B. Length
C. Diameter
D. None of theseEffectiveness factor E. of a catalyst pellet is defined as, E = (actual rate within pore of the catalyst)/(rate if not snowed by pore diffusion), Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) ___________________?
Effectiveness factor E. of a catalyst pellet is defined as, E = (actual rate within pore of the catalyst)/(rate if not snowed by pore diffusion), Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) ___________________?A. tan hT/T
B. tan T/T
C. tan hT/tan T
D. None of theseEffectiveness factor of a catalyst pellet is a measure of the _________________ resistance?
Effectiveness factor of a catalyst pellet is a measure of the _________________ resistance?A. Pore diffusion
B. Gas film
C. Chemical reaction
D. None of theseIn an exothermic chemical reaction, the reactants compared to the products have__________________?
In an exothermic chemical reaction, the reactants compared to the products have__________________?A. Higher temperature
B. More energy
C. Less energy
D. Same energy