Q. Preheating of __________ the flame temperature.

(A) The gaseous fuel before combustion decreases
(B) Combustion air decreases
(C) Either the fuel or the air or both, increases
(D) Either the fuel or the air does not affect

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✅ Correct Answer: (C) Either the fuel or the air or both, increases

Published by Ram Sharma ⭐ 193.88K Points at 11-May-2023 08:07 am in Fuels And Combustion

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