Air filtration in a furnace (A) Reduces its thermal efficiency (B) Is indicated by flame sting out (C) Increases the flue gas temperature (D) None of these

Air filtration in a furnace
(A) Reduces its thermal efficiency
(B) Is indicated by flame sting out
(C) Increases the flue gas temperature
(D) None of these
by

1 Answer

Answer :

(A) Reduces its thermal efficiency
by

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