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NYC HIGH PRESSURE BOILER SAFETY QUESTIONS AND CORRECT ANSWERS

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Pass your NYC high pressure boiler operator license exam on the first try with this focused collection of safety questions and correct answers. This guide covers critical topics including spring-loaded safety valve capacity, blowdown percentages, popping tolerances, electric boiler requirements, and ASME code compliance specific to New York City regulations. Learn the exact relief capacities required, when multiple safety valves are needed, how to conduct accumulation tests, and the rules for forced steam flow generators. Whether you're studying for a stationary engineer, fireman, or boiler operator certification, these practice questions target the most commonly tested safety valve scenarios—from miniature boilers to high-pressure steam systems—ensuring you understand the difference between 2% and 10% blowdown, seat materials, and fail-safe requirements before exam day.

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NYC HIGH PRESSURE BOILER SAFETY QUESTIONS AND
CORRECT ANSWERS




Spring loaded safety valves have a total combined relief capacity of? - ANS.... -
100% of the max designed capacity of the boiler.


What is the total combined relieving capacity of power actuated relieving valves?
- ANS.... -No less than 10% of the MAWP or no higher than 20% above the
MAWP


The minimum blowdown for a spring loaded safety valve shall be of what percent
of the set pressure? - ANS.... -10%


How many safety valves does a boiler have with 500 sq. ft. of heating surface? -
ANS.... -2 safety valves


With what safety fitting shall you protect high pressure steam and water boilers
with? - ANS.... -Dual low water cut outs


What is the minimum blowdown for a spring loaded safety valve? - ANS.... -2%


Safety valve capacity may be checked in what 3 ways? - ANS.... -Accumulation
test, amount of fuel burned, evaporative capacity of feed water


Safety valve popping tolerance + capacity up to 70 psig? 71-300 psig, 301-1000
psig, >1000 - ANS.... -70 = 2 psig, 71-300 = 3%, 301-1000 = 10 psig, >1000 = 1%

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