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The efficiency of fibrous filter by combined mechanism is given by(where ηimp,ηint,ηdif are the efficiencies by impaction, interception and diffusion respectively) | |
A. | 1 - ηimpηintηdif [Correct Answer] |
B. | 1 - (1 - ηimp)(1 - ηint)( 1 - ηdif) [Wrong Answer] |
C. | 1 - ( ηimpηint/ηdif) [Wrong Answer] |
D. | None of the above [Wrong Answer] |