Boiler Operator Exam Verified Questions and Answers

Boiler Operator Exam Verified Questions and Answers Boiler Operator Exam Verified Questions and Answers Boiler Operator Exam Verified Questions and Answers 1. Safety Valve ANS Prevents boiler pressure from rising above the setting of the valve by relieving excessive steam pressure, guarding against hazards of over pressurization. 2. Steam Supply Stop Valve ANS The valve installed at the steam outlet of the boiler to shut off the flow of steam. 3. Steam Pressure Gauge ANS Indicates the steam pressure in the boiler in pounds per square inch. 4. Steam Gauge Syphon ANS Device installed between the steam gauge and the boiler to provide a water seal so that steam will not enter the gauge to give a false reading or damage the gauge. 5. Inspector's Test Gauge Connection and Cock ANS Provides the necessary connection to check the accuracy of the steam pressure gauge on the boiler. 6. Water Column ANS The hollow casting or forging connected at the top to the boiler's steam space and at the bottom to the water space. The water gauge glass and water test cocks are installed on the column. 7. Water Glass and Gauge Fixtures ANS To visibly show the water level in the boiler. 8. Water Test Gauges or Try Cocks ANS For testing the water level in the boiler should the the water glass be temporarily out of service for any reason. 9. Drain Valve under the Water Column and Switch ANS To provide for a means of daily flushing under the water column and water level controls to keep the chamber and lines clean so the water will register accurately in the glass. Also provides a means of testing the low water cutoff. 10. Blowoff or Blowdown Valve ANS To provide a method of draining, flushing, and blowing off the boiler at the low point to remove the concentrated solids, sediment, seals and sludge to keep the boiler clean. 11. Water Feed Inlet Check Valve ANS The check Valve on the water feed inlet that closes to prevent steam or water from the boiler backing up into the water feed line. 12. Low Water Cutoff ANS The control required on all boilers to shut off the main fuel burner when the water reaches the lowest, safe, permissible level. 13. Steam Pressure Operating Control ANS To maintain the desired steam operating pressure by regulating the burner to steam pressure setting. 14. Hi-limit Pressure Control ANS In addition to the operating control to shut off the main fuel burner supply when the pressure in the boiler exceeds the desired maximum setting. 15. 100% Flame Safeguard ANS The pilot safety device to shut off the main fuel burner valve and the pilot burner in the event of a pilot failure and to prevent the main burner from turning on until a safe pilot is established. 16. Water Feed Inlet Stop Valve ANS The shutoff valve required next to the boiler on the water feed inlet so that the entire line can be manually shut off if it is necessary to work on the pump or check valve. It should never be closed when the pump is operating. 17. Check Valve ANS Valve between boiler and return pump. 18. Check Valve's Function ANS Prevent water from flowing back to hotwell, deaerator after boiler feed pumps shut off. 19. Steam Boiler Safety Features ANS Safety relief valve, blowdown valve, low water cutoff, pressure gauge 20. Safety Relief Valves set by ANS Qualified safety valve technician/company