Podcast
Questions and Answers
What is the recommended frequency for checking desiccant trays?
What is the recommended frequency for checking desiccant trays?
- Bi-weekly (correct)
- Monthly
- Daily
- Weekly
When should the boiler chemistry be adjusted in wet layup?
When should the boiler chemistry be adjusted in wet layup?
- During boiler operation (correct)
- While draining the boiler
- After shutting down the boiler
- Before filling the boiler
What should be done prior to placing the boiler under wet layup?
What should be done prior to placing the boiler under wet layup?
- Filling the boiler until it overflows
- Depressurizing and opening the vents
- Draining and cleaning the boiler (correct)
- Adjusting pH of the water to 10
How should the boiler pressure be maintained during the layup period?
How should the boiler pressure be maintained during the layup period?
At what concentration should the sodium sulfite be adjusted for wet layup?
At what concentration should the sodium sulfite be adjusted for wet layup?
What is the most critical factor for maintaining the longevity of an out-of-service steam boiler?
What is the most critical factor for maintaining the longevity of an out-of-service steam boiler?
When is the dry layup method most often chosen for a steam boiler?
When is the dry layup method most often chosen for a steam boiler?
What quantity of quicklime does ASME BPVC Section VII recommend for every 2.83 m3 of boiler volume when performing a dry layup?
What quantity of quicklime does ASME BPVC Section VII recommend for every 2.83 m3 of boiler volume when performing a dry layup?
What is used to force the air through the boiler and out the steam drum during a dry layup?
What is used to force the air through the boiler and out the steam drum during a dry layup?
What must be done to the handholes, manholes, inspection ports, and all openings to and from the boiler during a dry layup?
What must be done to the handholes, manholes, inspection ports, and all openings to and from the boiler during a dry layup?