Boiler questions with verified solutions 2023/2024

Boiler How many locations can you use your license? - correct answer One How many square feet heating surface requires an inspection? - correct answer 10 square feet Failure of what device causes a furnace explosion? - correct answer Fan Failure or Purge failure When does purge occur? - correct answer On Start up and Shut down Where do you find registration numbers on a boiler certificate? - correct answer Upper Left-hand corner How often are boiler licenses renewed? - correct answer Annually or every three years What is the fee for a three year renew? - correct answer $80.00 for 3 years, and $40.00 for one year. How long can your license be expired before it is null and void? - correct answer Three years What chemicals remove oxigen from boiler water? - correct answer Sodium Sulfite and hydrazine Minimum size piping of a water column - correct answer 1" Minumun size bottom blowdown line on a boiler - correct answer 1" How often are boilers inspected? - correct answer Annually Where is a check valve located and installed? - correct answer In feedwater line