### Formats and tools

- Unit Description
- Reconstruct the unit from the xml and display it as an HTML page.
- Assessment Tool
- an assessor resource that builds a framework for writing an assessment tool
- Assessment Template
- generate a spreadsheet for marking this unit in a classroom environment. Put student names in the top row and check them off as they demonstrate competenece for each of the unit's elements and performance criteria.
- Assessment Matrix
- a slightly different format than the assessment template. A spreadsheet with unit names, elements and performance criteria in separate columns. Put assessment names in column headings to track which performance criteria each one covers. Good for ensuring that you've covered every one of the performance criteria with your assessment instrument (all assessement tools together).
- Wiki Markup
- mark up the unit in a wiki markup codes, ready to copy and paste into a wiki page. The output will work in most wikis but is designed to work particularly well as a Wikiversity learning project.
- Evidence Guide
- create an evidence guide for workplace assessment and RPL applicants
- Competency Mapping Template
- Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners. A template for developing assessments for a unit, which will help you to create valid, fair and reliable assessments for the unit, ready to give to trainers and students
- Observation Checklist
- create an observation checklist for workplace assessment and RPL applicants. This is similar to the evidence guide above, but a little shorter and friendlier on your printer. You will also need to create a seperate Assessor Marking Guide for guidelines on gathering evidence and a list of key points for each activity observed using the unit's range statement, required skills and evidence required (see the unit's html page for details)

- Self Assessment Survey
- A form for students to assess thier current skill levels against each of the unit's performance criteria. Cut and paste into a web document or print and distribute in hard copy.
- Moodle Outcomes
- Create a csv file of the unit's performance criteria to import into a moodle course as outcomes, ready to associate with each of your assignments. Here's a quick 'how to' for importing these into moodle 2.x
- Registered Training Organisations
- Trying to find someone to train or assess you? This link lists all the RTOs that are currently registered to deliver MARL015, 'Apply intermediate principles of marine engineering thermodynamics'.
- Google Links
- links to google searches, with filtering in place to maximise the usefulness of the returned results
- Books
- Reference books for 'Apply intermediate principles of marine engineering thermodynamics' on fishpond.com.au. This online store has a huge range of books, pretty reasonable prices, free delivery in Australia *and* they give a small commission to ntisthis.com for every purchase, so go nuts :)

### Elements and Performance Criteria

Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. | ||

1 | Calculate heat mixtures involving water equivalent, change of phase, and feed heating | 1.1 | Key terms associated with heat transmission are explained |

1.2 | Heat transfer is calculated between liquids and solids using water equivalent | ||

1.3 | Flow is differentiated from non-flow heating and cooling processes | ||

1.4 | Effects of superheating and sub-cooling on steam plant efficiency are outlined | ||

1.5 | Mass balance throughout a steam plant cycle is constructed and effects of pressure and temperature on cycle efficiency are analysed | ||

2 | Determine fluid properties of steam | 2.1 | Relationship between saturated and superheated steam, including dryness fraction, is explained |

2.2 | Regions on a temperature/enthalpy diagram are constructed and identified | ||

2.3 | Steam tables are used to determine fluid properties | ||

2.4 | Changes of enthalpy throughout a system are identified | ||

2.5 | Operating principles and application in steam plants of throttling, separating and combined throttling, and separating calorimeters are explained | ||

2.6 | Calorimeters are applied to determine dryness fraction of steam | ||

3 | Calculate boiler efficiency and boiler water density | 3.1 | Efficiency of saturated and superheated steam boilers is calculated |

3.2 | Where loss of efficiency occurs is shown | ||

3.3 | Concept of parts per million for density of boiler water is explained | ||

3.4 | Changes in boiler water density due to contaminated feed are calculated | ||

3.5 | How acceptable dissolved solids and water levels may be maintained in a boiler is shown | ||

4 | Determine steam turbine velocity | 4.1 | Principles and differences between pressure and velocity changes in reaction and impulse steam turbines are explained |

4.2 | Velocity diagrams to calculate steam velocity at exit of nozzles and blades are applied | ||

4.3 | Graphical and mathematical methods to determine blade angle, steam velocity, thrust, power, and efficiency of single stage impulse and reaction steam turbines are applied | ||

5 | Calculate calorific value and the air fuel ratio for solid and liquid fuels | 5.1 | Elements and compounds present in fuel and the products of combustion are evaluated |

5.2 | Air/fuel ratio, gravimetric and volumetric analysis are explained | ||

5.3 | Chemical equations for combustion elements and compounds are developed and elements of combustion are analysed | ||

5.4 | Bomb calorimeter is used to find calorific value of a fuel | ||

5.5 | Formula to calculate calorific value of a fuel from mass analysis of fuel is applied | ||

5.6 | Air required for combustion is calculated | ||

6 | Calculate thermal expansion | 6.1 | Coefficient of linear expansion and its significance to different materials is explained |

6.2 | Clearances and shrunk fit allowances are calculated | ||

6.3 | Stresses generated with restricted expansion are calculated | ||

6.4 | Volumetric expansion of solid and liquids, and allowance required for fluid expansion in tanks and systems is calculated | ||

7 | Apply gas law equations | 7.1 | Compression and pressure ratio is explained and related to combined gas law equation |

7.2 | Combined gas law equation is applied to constant volume and constant pressure processes | ||

7.3 | Specific gas constant of a gas or mixture of gases is calculated | ||

7.4 | Differentiation is made between specific heat of gases, ratio of specific heats, work and change in internal energy | ||

7.5 | Changes in internal energy associated with specific heat of gases, ratio of specific heats and work are calculated | ||

8 | Calculate gas conditions, work and thermal efficiency of internal combustion engines | 8.1 | Processes associated with expansion and compression of gases are explained |

8.2 | Gas conditions and index of compression at end of each process are determined | ||

8.3 | Work formula is derived for each process and derived formula is applied to calculate work and power per cycle | ||

8.4 | Air standard cycle is applied to determine amount of fuel consumed and work produced by an internal combustion engine | ||

8.5 | Differentiation is made between air standard efficiency and thermal efficiency | ||

8.6 | Thermal efficiency of engine cycles is calculated | ||

9 | Perform calculations related to refrigeration and air conditioning cycles | 9.1 | Pressure/enthalpy diagram is applied to describe the refrigeration cycle |

9.2 | Importance of superheating and under-cooling in determining stability and well-functioning of refrigeration systems is explained | ||

9.3 | Properties and hazards of refrigerants used in refrigeration and air conditioning systems are identified | ||

9.4 | Refrigeration tables are applied to calculate refrigeration effect, cooling load and coefficient of performance | ||

9.5 | Basic air conditioning cycles are explained | ||

9.6 | Wet and dry bulb temperatures are explained | ||

9.7 | Humidity conditions are determined using psychrometric charts | ||

10 | Solve heat transfer problems involving flat plates and thin cylinders | 10.1 | Different forms of heat transfer are identified |

10.2 | Heat flow through composite flat plates using thermal conductivity is calculated | ||

10.3 | Interface temperatures of composite flat layers are calculated | ||

10.4 | Radial conduction of heat through a thin cylinder is calculated | ||

11 | Solve problems related to single and multi stage air compression | 11.1 | Pressureâ€“volume diagram is applied to describe operating cycle of reciprocating compressors |

11.2 | Work done by constant pressure, isothermal processes and polytropic processes in reciprocating compressors is calculated | ||

11.3 | Effect of clearance volume on efficiency of reciprocating compressors is explained | ||

11.4 | Volumetric efficiency and free air discharge in reciprocating compressors is calculated | ||

11.5 | Volume, mass flow and temperature are calculated at completion of each process in reciprocating compressors | ||

11.6 | How inter-cooling and after-cooling affects overall efficiency of reciprocating compressors is explained | ||

11.7 | Quantity of cooling water required by reciprocating compressors is calculated | ||

12 | Perform calculations related to engine power and heat balances | 12.1 | Indicator and timing diagrams for internal combustion engines are plotted |

12.2 | Formula is applied to solve problems related to indicated power of internal combustion engines | ||

12.3 | Formula is applied to solve problems related to brake power of internal combustion engines | ||

12.4 | Morse test is applied to determine the indicated power of internal combustion engines | ||

12.5 | Tabular and graphical heat balance diagrams are applied to calculate mechanical, thermal and overall efficiencies of internal combustion engines |