The effectiveness factor for large value of Thiele modulus [L√(K/D1) – McqOptions

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1.	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) ?
A.	L √(K/D1)
B.	1/[L√(K/D1)]
C.	1
D.	∞
Answer» C. 1

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