Under which condition, is the Cunningham correction factor applicable – McqOptions

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1.	Under which condition, is the Cunningham correction factor applicable for very small particles?
A.	When particle size is far greater than the gas mean free path
B.	When particle size is far lesser than the gas mean free path
C.	When particle size becomes comparable to the gas mean free path
D.	Cunningham factor is applicable for small particles under all conditions
Answer» D. Cunningham factor is applicable for small particles under all conditions

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