NYC high pressure boiler license Exam Questions and Correct Answers 100%

NYC high pressure boiler license Exam Questions and Correct Answers 100% 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 ANSWERPlumbing inspector, architect, licensed PE, master plumber, agency by the DOB How should a remote disconnect be labeled? - CORRECT ANSWER-Remote control for burner When is a fusible plug not needed to be installed on a boiler? - CORRECT ANSWEROver 200 psig When shall a power boiler with a MAWP over 400 be tested? - CORRECT ANSWERPressure tested annually What shall a design plan of a boiler and application contain but not limited to? - CORRECT ANSWER-Size, location, operating pressure + temperature of the pressure vessel and type + specs of PRV Who is responsible for maintaining the copies of the certified welder qualifications report? - CORRECT ANSWER-The welding agency and shall be available to the DOB Who needs to furnish a control diagram and boiler operation instructions? - CORRECT ANSWER-The installer Who will certify and calibrate all gages utilized for testing? - CORRECT ANSWER-A testing operator What shall be placed in between different joints and piping material? - CORRECT ANSWER-An approved adapter fitting What items are exempt from the reporting requirements? - CORRECT ANSWER-The seal welds of the tubes and the installation of back rings to man holes and hand holes to boilers Who will be under control for any welding done to a high pressure tank? - CORRECT ANSWER-An engineer supervising a welding inspection agency acceptable to the DOB At what pressure is it requires to have extra heavy valves installed? - CORRECT ANSWER-100 psig The ______ files an application for a boiler alteration? - CORRECT ANSWER-Inspector How many safety valves does a boiler have with over 500 square feet of heating surface? - CORRECT ANSWER-2 Gas fired boilers not exceeding 100 square feet of heating surface shall be provided with a? - CORRECT ANSWER-Single or double cone type of hood diverter in the stack A heater for either liquid fuels or other liquids harmful to the boiler shall not be installed? - CORRECT ANSWER-Directly in the steam or water space within the boiler Who is responsible for any spatial relationship between tanks and gas services? - CORRECT ANSWER-The installer of the last installation to correct a violation Who is responsible for the setting of operating and safety controls? - CORRECT ANSWER-The Installing Company With what safety fitting shall you protect high pressure steam and water boilers with? - CORRECT ANSWER-Dual low water cut outs Spring loaded safety valves have a total combined relieve capacity of? - CORRECT ANSWER-100% of the max designed capacity of the boiler What is the total combined relieving capacity of power actuated relieving valves? - CORRECT ANSWER-No less the 10% of the MAWP or no higher then 20% above the MAWP What is the minimum blowdown for a spring loaded safety valve? - CORRECT ANSWER-2% When a boiler is derated what changes? - CORRECT ANSWER-The MAWP decreases and the BTU output In hydronic piping systems where shall a shutoff valve be installed? - CORRECT ANSWER-Before and after the Pressure Reduci