Boiler Operator Study Guide Questions with Correct Answers 100-Pass .

Boiler Operator Study Guide Questions
with Correct Answers 100%Pass
2025-2026
Safety valve CORRECT ANSWER
Prevents boiler pressure from risingRabove the setting of the valve by relieving excessive steam p
ressure, guarding against hazards of over pressure.



Steam supply stop valve CORRECT ANSWER
The valve installed at the steam outlet of the boiler to shut off the flow of steam.



Steam pressure gauge CORRECT ANSWER
Indicates the steam pressure in the boiler in pounds per square inch, or p s i.



Steam gauge syphon CORRECT ANSWER
The device installed between the steam gauge and the boiler to provide a water seal, so that liv
e steam will not enter the gauge to cause a false reading or damage to the gauge.



Inspector's test gauge connection and cock CORRECT ANSWER
Provides the necessary connection to check the accuracy of the steam pressure gauge on the bo
iler.



Water column CORRECT ANSWER
The hollow casting or forging connected at the top, to the boiler's steam space, and at the botto
m to the water space. The water gauge glass and water test cocks are installed on this.



Water glass and gauge fixtures CORRECT ANSWER Visibly show the water level in the boiler.