Minnesota Special Engineer Boiler License Exam (2023/2024 New Update) | Questions and Verified Answers| 100% Correct| Already Graded A

Minnesota Special Engineer Boiler License Exam (2023/2024 New Update) | Questions and Verified Answers| 100% Correct| Already Graded A 1. To reduce thermal shock on hot water boilers, what devices are used? ~ Answer: Low limit or low fire hold control, three way valve, run around pump. 2. On a steam boiler the control named operator will... ~ Answer: On pressure decrease: Start. On pressure increase: Stop. 3. On a hot water boiler the control called the operator will... ~ Answer: On temperature decrease: Start. On temperature increase: Stop. 4. On a steam boiler what is a siphon or pigtail used for? ~ Answer: To protect the steam gauge from too high of temperature. 5. What is one reason causing the expansion tank to fill with water? ~ Answer: Air leaks from the gauge glass fitting. 6. What would you do if you came into a boiler room and found no water in the boiler? ~ Answer: Shut off the burner, secure the gas and allow the boiler to cool before refilling. 7. What is the purpose of the bottom blow down on a steam boiler? ~ Answer: To remove sludge and sediment and to drain the boiler. 8. When blowing down the water column the water should do what? ~ Answer: Refill the gauge glass quickly. 9. When doing the annual boiler inspection the boiler should... ~ Answer: Water and fire side cleaned and inspection ports open. 10. Purging is part of what cycle? ~ Answer: Firing cycle