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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

  1. Evaluate energy balance of steam turbine plant
  2. Explain construction and operation of feed system
  3. Explain construction, operation and repair of high-pressure water tube boilers
  4. Explain requirements for feed water treatment for high-pressure water tube boilers
  5. Explain construction and operation of high-pressure turbines
  6. Explain turbine gearing arrangements
  7. Analyse flow of air and gas through a simple cycle marine gas turbine

Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least one occasion and include:

accessing diagnostic information related to marine steam turbines

applying relevant work health and safety/occupational health and safety (WHS/OHS) requirements and work practices

assessing own work outcomes and maintaining knowledge of current codes, standards, regulations and industry practices

identifying and applying relevant solutions to problems that can occur during operation of steam propulsion plant and associated systems on a steam vessel

identifying and interpreting diagnostic information, and perform mathematical calculations related to operating, maintaining and repairing marine steam turbines

identifying methods, procedures and materials needed for operating, maintaining and repairing marine steam turbines

imparting knowledge and ideas through verbal, written and visual means

reading and interpreting manuals, technical specifications, safety data sheets/material safety data sheets and manufacturer guides related to operating, maintaining and repairing marine steam turbines.


Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

basic principles of operation of main steam propulsion and auxiliary systems on a steam vessel, including:

methods of turbine control, including safety devices

symptoms, causes and effects of defects of auxiliary steam turbines and actions to be taken

construction and operation of main and auxiliary steam turbines

procedures for emergency operation of a steam turbine

construction and operation of feed system

construction and operation of high-pressure turbines

construction, operation and repair of high-pressure water tube boilers

energy balance for a steam turbine plant

established engineering practice and procedures for operation of shipboard steam propulsion plant and associated systems in warm-through, manoeuvring, start up, normal running, emergency and shut down situations

fundamental principles of steam propulsion systems and boilers

hazards and problems that can occur during operation of steam propulsion plant and associated systems, and appropriate preventative and remedial action

methods of lubricating principal components of a marine steam propulsion turbine and its associated gearing, and evaluating common faults, including common lubrication faults, symptoms, causes, and actions to be taken with such faults

operational characteristics and performance specifications for different types of steam propulsion plant and associated systems on a steam vessel of unlimited propulsion power

procedures for reading and interpreting readings and indications of performance of steam propulsion plant and associated systems

requirements for feed water treatment for high-pressure water tube boilers

simple cycle marine gas turbine

turbine gearing arrangements

types, properties, tests, applications and treatment of fuels, lubricants and solvents/chemicals used on board a steam vessel, including working principles, construction, maintenance and safe operation of centrifuges, filters, and other treatment devices

typical operating precautions for steam propulsion plant and associated systems to ensure operational performance complies with bridge orders, technical specifications, survey requirements, and established safety and anti-pollution rules and regulations

units of measurement

WHS/OHS legislation and policies.