Assessment OICEW-5-2C

Bottom blow boiler

Assessed in EN-3233 Steam and Gas Turbines


In an approved simulator or aboard a ship, given access to a main boiler.

Performance Requirements

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

Supports Table A-III/1 officers in charge of an engineering watch

Competence Knowledge, Understanding & Proficiency Task

Operate main and auxiliary machinery and associated control systems

A4.1 Basic construction and operation principles of machinery systems, including:

  1. marine diesel engine
  2. marine steam turbine
  3. marine gas turbine
  4. marine boiler
  5. shafting installations, including propeller
  6. other auxiliaries, including various pumps, air compressor, purifier, fresh water generator, heat exchanger, refrigeration, air-conditioning and ventilation systems
  7. steering gear
  8. automatic control systems
  9. fluid flow and characteristics of lubricating oil, fuel oil and cooling systems
  10. deck machinery

Bottom blow boiler

Published: 2016-10-28-04:00