We discussed my plant for quite
a while, covering all its components, pressures, temps, etc.
How does an Air Cooled
Condenser work? How does a surface condenser work?
freeze protection on an ACC
Discussed my plants water treatment and testing, including NH3 and Oxygen
you dose Oxygen into your feedwater? To form magnetite layer…
silica in feedwater bad? Will iron carry over into the ST like silica does?
how a Once-Through Boiler works; can you blowdown your HRSG?
does a Selective Catalytic Reduction System (SCR) vaporize the NH3?
discussed ISO New England and the bidding process.
Discussed how we bring our GT and ST’s up, and how the steam is handled
before the ST are able to start. Can your plant fire the HRSG
the repair process on a boiler. (Ask AI for permission, etc…)
you know a welding company holds an R stamp? Certificate of authorization…
about routine repairs and name the four types of routine repairs.
need a tube rolled in, do you need a company that holds a R stamp?
needed to have a repair performed on boiler external piping, can you hire
any company, what stamp do they need?
does boiler external piping start and end?
the weakest part of a boiler, I answered any flat surfaces, he then said not
in a firetube boiler but in a watertube boiler, I said the drum, he then
gave a hint by asking what ligament efficiency was. I told them the formula,
and that it must be the lower drum sheet, as they make it thicker to
compensate for the tube holes.
a blister, what causes it?
would you size a steam line in new construction?
you calculate boiler efficiency?
the Mollier chart, what can you do with it?
you size a superheater safety valve?
does the code say about two safety valves mounted singly?
the range of safety valve settings allowed.
you size an economizer safety valve?
asked about 310 CMR’s
At what pressure are two gage glasses required?
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