Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace.?

Low amount of excess combustion air
Large quantity of excess combustion air
Hydrocarbon fuel
Pulverised coal as fuel

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 1

5 views Answered 2022-09-01 13:21

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