(NEWEST 2026-2027) NJ BLACK SEAL LOW PRESSURE, 1 OF 3 EXAM
QUESTIONS AND VERIFIED ANSWERS
An automatic feedwater regulator on a boiler's primary purpose is to: ANSWER
maintain the appropriate water level
How much does a one-foot-tall, one-square-inch column of water weigh?
ANSWER:.433 lbs
Where on a boiler is the flame detection device? The front of the ANSWER
The following factors may contribute to boiler metal cracking: ANSWER
caustic embrittlement
How would you test the flame failure device's functionality? By closing the fuel
supply valve, you can respond.
In a water tube boiler, where are the flammable gases located? The response
circulating around the tubes
By gradually raising the pressure inside a cold boiler, what are you avoiding?
The response to thermal shock
The pressure on the boiler during a hydrostatic test should not be greater than: -
ANSWER 10 psi above 1.5 times the MAWP
In a boiler room with more than: ANSWER 100 horsepower, a boiler operator
log must be kept.
What device does a flame detection device secure if it detects a flame failure?
ANSWER solenoid fuel valve
Which kind of draft has a fan positioned between the chimney and the boiler?
ANSWER-induced
How is alkalinity managed? Caustic soda is the answer.
QUESTIONS AND VERIFIED ANSWERS
An automatic feedwater regulator on a boiler's primary purpose is to: ANSWER
maintain the appropriate water level
How much does a one-foot-tall, one-square-inch column of water weigh?
ANSWER:.433 lbs
Where on a boiler is the flame detection device? The front of the ANSWER
The following factors may contribute to boiler metal cracking: ANSWER
caustic embrittlement
How would you test the flame failure device's functionality? By closing the fuel
supply valve, you can respond.
In a water tube boiler, where are the flammable gases located? The response
circulating around the tubes
By gradually raising the pressure inside a cold boiler, what are you avoiding?
The response to thermal shock
The pressure on the boiler during a hydrostatic test should not be greater than: -
ANSWER 10 psi above 1.5 times the MAWP
In a boiler room with more than: ANSWER 100 horsepower, a boiler operator
log must be kept.
What device does a flame detection device secure if it detects a flame failure?
ANSWER solenoid fuel valve
Which kind of draft has a fan positioned between the chimney and the boiler?
ANSWER-induced
How is alkalinity managed? Caustic soda is the answer.
