Condition
In an approved simulator or aboard a ship, given access to a main boiler.
Performance requirement
| Behavior | Standard |
|---|---|
| The student will: | During assessment, the student shall, at a minimum: |
|
Describe purpose of boiler blowdown | |
|
Blow down the boiler |
Raise water level to top of gage glass Open bottom blow valve When water level falls to bottom of glass, secure bottom blow valve |
Location
Assessed in EN‑3131 Steam Generators.
References
- Table A-III/1 OICEW-A4.1
- NVIC 17-14 Task 4.1.A
See the Assessment Guidelines for additional specifications of behavior and standards.