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MEM48012 — Calculate and predict chemical outcomes in metallurgical situations

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What an assessment for MEM48012 must cover

87 assessable components: 3 elements (10 performance criteria), 10 performance evidence and 67 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Determine job requirements

  • 1.1Follow standard operating procedures (SOPs)
  • 1.2Comply with work health and safety (WHS) requirements at all times
  • 1.3Undertake consultations and briefings with managers, employers and customers
  • 1.4Research information to determine situation requiring metallurgical analysis

2 Select chemical principles and techniques relevant to metallurgy

  • 2.1Select relevant chemical techniques and principles for metallurgical situation
  • 2.2Select technologies associated with chemical techniques relevant to the metallurgical situation

3 Apply chemical principles and techniques

  • 3.1Apply basic chemical principles to obtain required solutions
  • 3.2Complete accurate chemical calculations with correct use of significant figures
  • 3.3Apply chemical techniques and associated technologies to obtain required solutions
  • 3.4Communicate solutions to appropriate personnel and situations and record in accordance with procedures

Performance evidence

  • following work instructions, standard operating procedures (SOPs) and safe work practices
  • selecting appropriate chemical principles and techniques to suit specific applications on at least two occasions
  • selecting appropriate basic mechanical techniques and associated technologies, software and hardware to suit specific applications on at least two occasions
  • applying basic chemical principles and techniques to engineering situations
  • applying and manipulating appropriate formulas for applications involving engineering calculations
  • applying appropriate calculations to engineering and metallurgical situations
  • referring solutions to the original aim of the application
  • communicating solutions in appropriate units using appropriate significant figures
  • communicating limitations of solutions due to assumptions, chemical principles and techniques used
  • presenting solutions on at least two occasions referring to the original aim of the application

Knowledge evidence

  • safe work practices and procedures
  • sources of information
  • metallurgy including:
  • the scientific and technical oversight of production of commercial metal products
  • the development of new alloys and processes
  • calculations appropriate to chemical solutions
  • chemical principles and techniques including:
  • constitution of matter including:
  • elements, compounds, mixtures, states of matter
  • atomic structure including protons, neutrons and electrons
  • electron structure of atoms
  • the Bohr atom
  • chemical bonding including ionic, covalent and metallic
  • valency of common ions and radicals
  • chemical reactions including balancing equations
  • molecular and ionic equations
  • Avogadro’s number and the mole concept
  • solubility and precipitation, and solution concentration
  • stoichiometric calculations
  • periodic table
  • gas laws including:
  • kinetic theory
  • Boyle’s Law, Charles’ Law and combined gas law
  • ideal gas equation PV=nRT and molar volume of a gas
  • Gay-Lussac’s Law
  • Avogadro’s Law
  • gas reaction calculations
  • oxidation and reduction including:
  • definitions of oxidation and reduction
  • half reactions
  • balancing redox equations
  • significance of oxidation and reduction in metallurgy
  • thermodynamics including:
  • first law of thermodynamics
  • exothermic and endothermic reactions
  • heats of reaction including combustion
  • Hess’s Law
  • heat capacity and Kirchoff’s Law
  • acid-base theory and hydrolysis
  • ionic product for water including:
  • pH, and pOH
  • the pH scale
  • equilibrium constant
  • effect of temperature and pressure on equilibrium constant
  • equilibrium and free energy change including:
  • Carnot cycle including concept of entropy
  • second law of thermodynamics
  • Gibbs free energy
  • relationship between free energy and equilibrium constant
  • van’t Hoff isotherm and isochore
  • relationship between free energy and temperature
  • rates of chemical reactions including:
  • factors affecting rates of reaction
  • collisions theory and activation energy
  • theory of absolute reaction times
  • electrochemistry including:
  • electrolytic conduction including ionic conduction
  • theories of ionisation
  • Ostwald’s dilution law and Onsager equation
  • electrode potential and electrical double layer
  • redox potentials and electromotive force (EMF) series
  • electrochemical cells, anodes and cathodes (definition)
  • Nernst equation
  • applications of electrochemistry
  • galvanic series and Pourbaix diagrams
  • corrosion, electroplating and refining
  • limitations of selected chemical principles.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing MEM48012

What does an assessment tool for MEM48012 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM48012 needs to address all 87 unit components: 3 elements with 10 performance criteria, 10 performance evidence requirements, 67 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM48012?

Auditori pulls the current release of MEM48012 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM48012 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM48012 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM48012, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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