The efficiency of fibrous filter by combined mechanism is given by(where ηimp,ηint,ηdif are the efficiencies by impaction, interception and diffusion respectively)

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Question: 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

[B].

1 – (1 – ηimp)(1 – ηint)( 1 – ηdif)

[C].

1 – ( ηimpηint/ηdif)

[D].

None of the above

Answer: Option A

Explanation:

No answer description available for this question.