Black Seal LP NJ EXAM QUESTIONS WITH |\ |\ |\ |\ |\ |\
ANSWERS
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Carryover can lead to: - CORRECT ANSWERS ✔✔Water Hammer
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If water leaves the boiler at 170 degrees, what temperature does
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
it return at? - CORRECT ANSWERS ✔✔150 Degrees
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The positioning control cannot function without: - CORRECT
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ANSWERS ✔✔Air |\
What fire tube boiler is most efficient? - CORRECT ANSWERS ✔✔4
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Pass
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What is the purpose of a check valve? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Allows flow in one direction |\ |\ |\ |\
A solenoid valve is: - CORRECT ANSWERS ✔✔Is an automatic gas
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
shutoff valve |\
What does PSIA stand for? - CORRECT ANSWERS ✔✔PSIG +
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Atmospheric Pressure |\
Water column & gauge glass should be blown down: - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Daily |\
, What is the most common cause of cast iron boiler failure? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Cracking |\ |\
What is the most common cause of problems in a hot water
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
system? - CORRECT ANSWERS ✔✔AIR
|\ |\ |\ |\
External feedwater treatment can be a ______ process - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Cold lime soda, hot lime soda, or ion exchange.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Natural water may contain: - CORRECT ANSWERS ✔✔Solids and
|\ |\ |\ |\ |\ |\ |\ |\ |\
other pollutants
|\
Where are the combustion gases on a serpentine boiler? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Below the tubes |\ |\ |\ |\
A steam gauge is calibrated in: - CORRECT ANSWERS ✔✔Pounds
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
per square inch
|\ |\
What code is a heating boiler built to? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔ASME Section IV |\ |\
What test is performed on re-tubed (repaired) boiler and what is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the water temp? - CORRECT ANSWERS ✔✔Hydrostatic Test at 70
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
F
ANSWERS
|\
Carryover can lead to: - CORRECT ANSWERS ✔✔Water Hammer
|\ |\ |\ |\ |\ |\ |\ |\
If water leaves the boiler at 170 degrees, what temperature does
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
it return at? - CORRECT ANSWERS ✔✔150 Degrees
|\ |\ |\ |\ |\ |\ |\ |\
The positioning control cannot function without: - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Air |\
What fire tube boiler is most efficient? - CORRECT ANSWERS ✔✔4
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Pass
|\
What is the purpose of a check valve? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔Allows flow in one direction |\ |\ |\ |\
A solenoid valve is: - CORRECT ANSWERS ✔✔Is an automatic gas
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
shutoff valve |\
What does PSIA stand for? - CORRECT ANSWERS ✔✔PSIG +
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Atmospheric Pressure |\
Water column & gauge glass should be blown down: - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Daily |\
, What is the most common cause of cast iron boiler failure? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Cracking |\ |\
What is the most common cause of problems in a hot water
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
system? - CORRECT ANSWERS ✔✔AIR
|\ |\ |\ |\
External feedwater treatment can be a ______ process - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Cold lime soda, hot lime soda, or ion exchange.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Natural water may contain: - CORRECT ANSWERS ✔✔Solids and
|\ |\ |\ |\ |\ |\ |\ |\ |\
other pollutants
|\
Where are the combustion gases on a serpentine boiler? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Below the tubes |\ |\ |\ |\
A steam gauge is calibrated in: - CORRECT ANSWERS ✔✔Pounds
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
per square inch
|\ |\
What code is a heating boiler built to? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔ASME Section IV |\ |\
What test is performed on re-tubed (repaired) boiler and what is
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the water temp? - CORRECT ANSWERS ✔✔Hydrostatic Test at 70
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
F
