Podcast
Questions and Answers
What is a common maintenance task for which operators are responsible?
What is a common maintenance task for which operators are responsible?
- Cleaning the boiler water level control system
- Blowing down drip legs (correct)
- Checking the steam trap installation
- Inspecting the gauge glass isolation valves
When is drip leg blowdown commonly done?
When is drip leg blowdown commonly done?
- Each shift (correct)
- Once a day
- Once a week
- Once a month
What is the purpose of blowing down drip legs?
What is the purpose of blowing down drip legs?
- To clean the gauge glass isolation valves
- To remove excess accumulations of condensate (correct)
- To increase the pressure in the steam system
- To test the secondary method of monitoring boiler water level
When can gauge glass valve stem leaks be repaired?
When can gauge glass valve stem leaks be repaired?
What should be confirmed before proceeding with gauge glass blowdowns?
What should be confirmed before proceeding with gauge glass blowdowns?
What should be closed during gauge glass blowdowns?
What should be closed during gauge glass blowdowns?
What should be done if the gauge glass cannot be suitably isolated during blowdowns?
What should be done if the gauge glass cannot be suitably isolated during blowdowns?
What is the first step to be taken once the boiler is depressurized?
What is the first step to be taken once the boiler is depressurized?
What is the precaution before tightening the packing on a valve?
What is the precaution before tightening the packing on a valve?
What should be ensured while tightening the packing gland nuts on a valve?
What should be ensured while tightening the packing gland nuts on a valve?
How should a cross bolting pattern be used on a bonnet or flange to prevent leaks?
How should a cross bolting pattern be used on a bonnet or flange to prevent leaks?
What is the purpose of a stuffing box in a centrifugal pump?
What is the purpose of a stuffing box in a centrifugal pump?
What happens if the leakage in a centrifugal pump's stuffing box is completely stopped?
What happens if the leakage in a centrifugal pump's stuffing box is completely stopped?
Why is it important to tighten valve packing nuts only once the boiler is depressurized?
Why is it important to tighten valve packing nuts only once the boiler is depressurized?
What should be ensured when tightening the packing gland on a valve or pump shaft?
What should be ensured when tightening the packing gland on a valve or pump shaft?
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