1) What is corrosion, what is erosion? 2) What effect does too much air do to combustion and co2? 3) What is a low water cut off and how does it work 4) At least 2 types of heating systems and how they work
5) Change 5/8 to a decimal 6) 2000 gallons of water what’s the weight 7) ASME code chapter 7 what is rule for lifting and popping of safety valve 8) Burden tube how it works 9) How do you shut all boilers down with a super heater? 10) 115 psi safety valve and gauge reads 150 what is wrong 11) Combustible elements of fuel 12) What is the btu of #6 fuel oil roughly?
13) By operation how do you tell if there to much air in the furnace 14) Blow of line blows apart on boiler that you are running and boiler is in battery what would you do 15) Hydrostatic test performed 16) Centrifugal pump parts 17) Safety valve stamping 18) How is steam used for atomization?
19) Why are manholes and hand holes oval 20) What 4 things will cause a furnace to explode?
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