Question 269Steam Plants - Assistant Engineer
70% to passWhich of the following represents the proper color of the flame end farthest from the boiler burner during normal operations?
ADark brown
BDazzling white
CLight brown haze
DBright yellow or orange
AI Explanation
The correct answer is D) Bright yellow or orange. During normal boiler operations, the flame at the end farthest from the burner should appear as a bright yellow or orange color. This is in accordance with industry standards and best practices for the proper combustion and operation of a boiler system. The other answer choices are incorrect because: A) Dark brown would indicate incomplete combustion, B) Dazzling white is not the expected color, and C) Light brown haze would suggest improper air-fuel mixture or other operational issues.
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