High pressure boiler exam NYC License 2024 Questions and Answers

High pressure boiler exam NYC License 2024 Questions and Answers Latent Heat of Vaporization - CORRECT ANSWER-970.3 Btu's Meaning of BTU - CORRECT ANSWER-British Thermal Unit At what PSI can the vent valve be closed when refilling a boiler - CORRECT ANSWER25 PSI What kind of Air controls combustion efficiency? - CORRECT ANSWER-Secondary Air Boiler main steam stop valves should be ____ valves. - CORRECT ANSWER-OSandY gate valves Forced draft and Induced draft are what kinds of draft - CORRECT ANSWERMechanical Draft Draft in a boiler is commonly measured in... - CORRECT ANSWER-inches of a water column Oxygen in the boiler water causes ________. - CORRECT ANSWER-pitting of boiler metal Bottom Blowdown is best performed when? - CORRECT ANSWER-The Boiler is under light load A therm is equal to how many BTU"s - CORRECT ANSWER-100,000 What is the thickness of a blowdown tank according to the state of NJ - CORRECT ANSWER-5/16 of an inch what is the temperature/psi of water when being flushed down the drain from a blowdown tank - CORRECT ANSWER-150 degrees/5psi how many volumes of air flow through the boiler during prepurge/postpurge - CORRECT ANSWER-4 volumes of air First thing you should do when coming into the boiler room? - CORRECT ANSWERCheck the water level the weight of 1lb of water - CORRECT ANSWER-8.33