BLACK SEAL LP NJ 2025 QUESTIONS WITH 100%
CORRECT ANSWERS| VERIFIED |LATEST UPDATE
2025/26
Carryover can lead to: -CORRECTANSWER Water Hammer
If water leaves the boiler at 170 degrees, what temperature does it return at? -
CORRECTANSWER 150 Degrees
The positioning control cannot function without: -CORRECTANSWER Air
What fire tube boiler is most efficient? -CORRECTANSWER 4 Pass
What is the purpose of a check valve? -CORRECTANSWER Allows flow in one
direction
A solenoid valve is: -CORRECTANSWER Is an automatic gas shutoff valve
What does PSIA stand for? -CORRECTANSWER PSIG + Atmospheric Pressure
Water column & gauge glass should be blown down: -CORRECTANSWER Daily
, What is the most common cause of cast iron boiler failure? -CORRECTANSWER
Cracking
What is the most common cause of problems in a hot water system? -
CORRECTANSWER AIR
External feedwater treatment can be a ______ process -CORRECTANSWER Cold lime
soda, hot lime soda, or ion exchange.
Natural water may contain: -CORRECTANSWER Solids and other pollutants
Where are the combustion gases on a serpentine boiler? -CORRECTANSWER Below
the tubes
A steam gauge is calibrated in: -CORRECTANSWER Pounds per square inch
What code is a heating boiler built to? -CORRECTANSWER ASME Section IV
What test is performed on re-tubed (repaired) boiler and what is the water temp? -
CORRECTANSWER Hydrostatic Test at 70 F
Under what ASME section is the care and operation of heating boilers? -
CORRECTANSWER Section VI
CORRECT ANSWERS| VERIFIED |LATEST UPDATE
2025/26
Carryover can lead to: -CORRECTANSWER Water Hammer
If water leaves the boiler at 170 degrees, what temperature does it return at? -
CORRECTANSWER 150 Degrees
The positioning control cannot function without: -CORRECTANSWER Air
What fire tube boiler is most efficient? -CORRECTANSWER 4 Pass
What is the purpose of a check valve? -CORRECTANSWER Allows flow in one
direction
A solenoid valve is: -CORRECTANSWER Is an automatic gas shutoff valve
What does PSIA stand for? -CORRECTANSWER PSIG + Atmospheric Pressure
Water column & gauge glass should be blown down: -CORRECTANSWER Daily
, What is the most common cause of cast iron boiler failure? -CORRECTANSWER
Cracking
What is the most common cause of problems in a hot water system? -
CORRECTANSWER AIR
External feedwater treatment can be a ______ process -CORRECTANSWER Cold lime
soda, hot lime soda, or ion exchange.
Natural water may contain: -CORRECTANSWER Solids and other pollutants
Where are the combustion gases on a serpentine boiler? -CORRECTANSWER Below
the tubes
A steam gauge is calibrated in: -CORRECTANSWER Pounds per square inch
What code is a heating boiler built to? -CORRECTANSWER ASME Section IV
What test is performed on re-tubed (repaired) boiler and what is the water temp? -
CORRECTANSWER Hydrostatic Test at 70 F
Under what ASME section is the care and operation of heating boilers? -
CORRECTANSWER Section VI
