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Exam (elaborations)
MN Special Boilers Licensing Test 2024
MN Special Boilers Licensing Test 2024 
 
The number of blowdowns required is determined by_____________. - boiler water analysis 
 
A ____________ pump is a boiler accessory used to draw condensate back from the system by producing a negative pressure on the condensate return lines. - vacuum 
 
Oxygen in the boiler water causes ________. - pitting 
 
A therm is equivalent to _________ Btu. - 100,000 
 
A(n) _________ draft fan is located before the furnace. - forced 
 
Impurities that increase ...