Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Collision frequency increases Fraction of molecules having threshold energy increases Value of threshold energy decreases Increased temperature reduces the activation energy Collision frequency increases Fraction of molecules having threshold energy increases Value of threshold energy decreases Increased temperature reduces the activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate Suitable for liquid phase reactions involving small production rate Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate Suitable for liquid phase reactions involving small production rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the response curve for a step input signal from a reactor. S-curve I-curve None of these C-curve S-curve I-curve None of these C-curve ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal plug flow reactor, the value of Peclet number is 1 0 ∞ 10 1 0 ∞ 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a reaction is a function of the Temperature of the system Time of reaction Initial concentration of the reactants Extent of reaction Temperature of the system Time of reaction Initial concentration of the reactants Extent of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) ∞ 1/(L√(K/D1)) L√(K/D1) 1 ∞ 1/(L√(K/D1)) L√(K/D1) 1 ANSWER DOWNLOAD EXAMIANS APP
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