Podcast
Questions and Answers
What should be visually checked to ensure complete combustion in the boiler?
What should be visually checked to ensure complete combustion in the boiler?
- The level of water in the boiler
- The temperature of the water
- The pressure of the circulating pump
- The color of the flame (correct)
What should be monitored to ensure that the circulating pump is operating within the expected range?
What should be monitored to ensure that the circulating pump is operating within the expected range?
- Flame temperature, boiler pressure, and steam flow
- Discharge pressure, suction pressure, and differential pressure (correct)
- Steam pressure, air pressure, and gas flow rate
- Water level, water temperature, and water flow
What is the expected color of a typical natural gas flame in the boiler?
What is the expected color of a typical natural gas flame in the boiler?
- Blue with orange at the tip of the flame (correct)
- Green with blue tips
- Red with black tips
- Bright yellow with orange tips
What is the purpose of checking the stuffing boxes or mechanical seals of circulating pumps?
What is the purpose of checking the stuffing boxes or mechanical seals of circulating pumps?
What should be done to circulating pumps with mechanical seals that show signs of leakage?
What should be done to circulating pumps with mechanical seals that show signs of leakage?
What is the maximum operating temperature for boiler water in hot water heating systems?
What is the maximum operating temperature for boiler water in hot water heating systems?
What should be the normal boiler operating pressure compared to the safety relief valve setting to prevent weeping and protect the safety relief valve?
What should be the normal boiler operating pressure compared to the safety relief valve setting to prevent weeping and protect the safety relief valve?
What indicates that the boiler pressure is greater than the minimum required to keep the heating system full?
What indicates that the boiler pressure is greater than the minimum required to keep the heating system full?
What should be checked to ensure water level maintenance in a steam boiler?
What should be checked to ensure water level maintenance in a steam boiler?
What should be visually checked to evaluate whether the burner is operating properly in a steam boiler?
What should be visually checked to evaluate whether the burner is operating properly in a steam boiler?
What is the purpose of a high steam pressure cut-off in power boilers?
What is the purpose of a high steam pressure cut-off in power boilers?
How should the high-pressure cut-off be set in relation to the safety valve set point and blowdown?
How should the high-pressure cut-off be set in relation to the safety valve set point and blowdown?
When should the stack temperature be monitored and recorded in a power boiler?
When should the stack temperature be monitored and recorded in a power boiler?
What may rising stack temperatures, at a given firing rate, indicate in a power boiler?
What may rising stack temperatures, at a given firing rate, indicate in a power boiler?
What should be observed once the boiler has been fired to ensure proper operation?
What should be observed once the boiler has been fired to ensure proper operation?
