CT Boiler Operator case studies
CT Boiler Operator · Put your knowledge to work in context.
The Connecticut Boiler Operator credential is administered through the Connecticut Department of Consumer Protection (DCP), the state agency whose licensing pages sit on the official CT.gov portal. This page is an independent study resource for candidates preparing for that licensing exam; it is not affiliated with, endorsed by, or operated by the DCP or the State of Connecticut. The CT Boiler Operator case studies are 5 cases and about 2,867 words.
1Water Level Lost on a 150-psig Firetube Boiler
At 06:40 a 300-hp, 150-psig natural-gas firetube boiler is carrying 120 psig at 80% firing rate. The operator notices the gauge-glass level drop from normal to the bottom nut in less than a minute.
641 words, about 3 min2Leaking Safety Valve on a 250-hp Steam Boiler
A 250-hp, 150-psig steam boiler was installed last year. It operates at 125 psig and has one safety valve with a certified capacity of 3,500 lb/hr, set at 150 psig.
597 words, about 3 min3CO Rise After Burner Linkage Overhaul on a 600-hp Gas Boiler
After a burner linkage overhaul on a 600-hp, natural-gas watertube boiler, the low-fire combustion readings are O2 1.2%, CO 850 ppm, and stack temperature 410°F. The flame scanner signal fluctuates between 2.0 and 3.0 V, and the burner has tripped on flame failure three times in two shifts.
566 words, about 3 min4Expired Certificate and a Failed Feedwater Pump
A commercial laundry operates a 125-psig, 200-hp natural-gas steam boiler. The certificate of inspection expired 12 days ago.
534 words, about 3 min5Hydrostatic Test After Retubing a 200-hp Firetube Boiler
A 200-hp, 150-psig firetube boiler was retubed after a tube leak. The contractor proposes a hydrostatic test at 225 psig, using 45°F city water, with the safety valve left in place and gagged.
529 words, about 3 min