Q. In case of engines backfiring, the PCV valve:

(A) Opens maximum
(B) Closes
(C) Disintegrates
(D) Sticks in the centre position

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✅ Correct Answer: (B) Closes

Published by Mr. Dubey ⭐ 109.99K Points at 20-Sep-2023 12:35 pm in Internal Combustion Engines (I.C. Engines)

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