MEM18113 — Perform ultrasonic thickness testing

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What an assessment for MEM18113 must cover

39 assessable components: 4 elements (14 performance criteria), 6 performance evidence and 19 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
1.3Use appropriate personal protective equipment (PPE) in accordance with SOPs
1.4Identify job requirements from specifications, job sheets or work instructions

2 Prepare inspection areas for ultrasonic thickness testing

2.1Clean inspection areas and prepare for testing using appropriate procedures and materials
2.2Carry out preparation processes in accordance with the relevant procedures
2.3Assess inspection areas visually for obvious discontinuities

3 Perform tests

3.1Identify nominated ultrasonic thickness test from SOPs
3.2Prepare test equipment in accordance with manufacturers’ instructions
3.3Use appropriate calibration blocks to calibrate the gauge for the expected thickness range in the material being tested
3.4Carry out ultrasonic tests in accordance with relevant standards
3.5Maintain ultrasonic test equipment and store in accordance with SOPs

4 Report the results of ultrasonic thickness tests

4.1Identify and confirm thicknesses tests in accordance with organisational standards and/or procedures
4.2Report test results including an accurate identification of location and size of discontinuities in accordance with organisational standards and/or procedures

Performance evidence

following work instructions, standard operating procedures (SOPs) and safe work practices
identifying and interpreting specifications and standards for performing ultrasonic thickness testing
preparing the area for testing and identifying discontinuities including observed changes in material homogeneity and defects in accordance with procedures
carrying out ultrasonic thickness testing using techniques and equipment appropriate for material/s to be tested and interpreting and confirming basic thickness in accordance with procedures
undertaking numerical operations and calculations associated with performing ultrasonic thickness testing
reporting test results in accordance with procedures and customer service requirements on at least two occasions.

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
cleaning and preparation processes, procedures and work health and safety (WHS) requirements in relation to the preparation process for different test surfaces
basic principles of ultrasonic thickness testing and properties and behaviour of ultrasound
basic concepts associated with frequency, velocity, wavelength and amplitude
generation of ultrasound
types of discontinuities and their consequences
procedures, tools, equipment, techniques and system verification checks necessary to carry out the ultrasonic thickness test
advantages and limitations of ultrasonic thickness testing
basic maintenance and storage procedures for testing equipment
common basic defects, indications and thicknesses
ultrasonic thickness testing equipment
types of analog and digital displays including a-scan display and a b-scan display
types of couplants and their characteristics
straight beam testing method including: calibration of thickness testing equipment using calibration blocks, setting of frequency, probe size and shape, thickness testing
recording and reporting including job records, routine reports and codes and standards
methods and/or procedures for reporting test results
variables affecting test results and methods of controlling them
component variables including size and geometry, distance location from entry surface, orientation to entry surface and reflecting characteristics of back wall
discontinuities and abnormalities identified through ultrasonic thickness testing: corrosion and it’s thickness, loss of thickness and wear.

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 MEM18113

What does an assessment tool for MEM18113 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM18113 needs to address all 39 unit components: 4 elements with 14 performance criteria, 6 performance evidence requirements, 19 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 MEM18113?

Auditori pulls the current release of MEM18113 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 MEM18113 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM18113 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 MEM18113, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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