Nyc high pressure boiler license questions with correct answers

The minimum blowdown for a spring loaded safety valve shall be of what percent of set pressure? CORRECT ANSWER-10% How is the main steam pressure gages tested? CORRECT ANSWER-With an inspectors gage Who is in charge of the code for any plumbing installations? CORRECT ANSWER-The nyc plumbing code When will anchorage or guides be inspected? CORRECT ANSWER-Annually How many brass washout plugs does a miniature boiler have? CORRECT ANSWER-3 brass washout plugs, 1" in size How often is HP piping expansion joints inspected? CORRECT ANSWER-Weekly How long should a hydronic system be pressure tested for? CORRECT ANSWER-2 hours at no less than 100 psig How is a gage protected from excessive pressure? CORRECT ANSWER-Shut off cock Who is authorized to witness a test on a gas piping system? CORRECT ANSWER-Plumbing inspector, architect, lice