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Stationary Engineer || with 100% Errorless Answers.
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How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? correct answers 7 feet On a gas fired boiler what is the proper gas to air mixture correct answers 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember%...
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