Application
This unit involves the skills and knowledge required to perform basic marine engineering calculations required for the operation of marine machinery and equipment.
This unit applies to people working in the maritime industry as a Marine Engineering Watchkeeper on commercial vessels greater than 750 kW or as an Engineer Class 3 Near Coastal.
This unit has links to legislative and certification requirements.
Elements and Performance Criteria
Elements describe the essential outcomes. | Performance criteria describe the performance needed to demonstrate achievement of the element. | ||
1 | Apply mathematical formulae to solve marine engineering problems | 1.1 | Proportions, variation, percentages and averages are calculated, and method of unity is applied |
1.2 | Problems involving the manipulation of indices are solved | ||
1.3 | Written descriptions of actual or hypothetical marine engineering problems are expressed in mathematical terms | ||
1.4 | Algebraic formulae and equations are manipulated to change subjects, as and when required | ||
1.5 | Index problems are converted to logarithmic problems, and vice versa, according to the Law of Logarithms | ||
1.6 | Calculator is used to resolve marine engineering problems | ||
2 | Calculate areas, volumes and masses of regular and irregular figures | 2.1 | Problems related to areas and volumes of regular geometric figures are solved using standard formulae |
2.2 | Problems relating to surface areas and volumes of circular figures are solved | ||
2.3 | Centres of gravity and centroids of area are found for both line figures and areas | ||
2.4 | Concept of density is applied to calculate masses | ||
3 | Apply trigonometry to solve problems relating to angular measurement and the resolution of vectors | 3.1 | Basic trigonometric ratios of sine, cosine and tangent, together with their reciprocals are explained with respect to the sides of a right-angled triangle |
3.2 | Pythagoras’ Theorem is proved | ||
3.3 | Problems associated with single angle trigonometric identities including those derived from the application of Pythagoras’ Theorem to the basic sin, cos and tan identities are solved | ||
3.4 | Derivation of multiple, double and half angle trigonometric identities are shown and used to simplify complicated trigonometric expressions and identities | ||
3.5 | Sine Rule and Cosine Rule for solution of triangles are proved and applied | ||
Evidence of Performance
Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least one occasion and include:
assessing own work outcomes and maintaining knowledge of current codes, standards, regulations and industry practices
explaining basic mathematical concepts and techniques relevant to marine engineering, and
identifying and determining appropriate mathematical techniques and formula to solve marine engineering problems
identifying the methods and procedures needed to select mathematical techniques and formula to solve marine engineering problems
imparting knowledge and ideas through verbal, written and visual means
performing accurate and reliable calculations
performing calculations relevant to marine engineering, including volumes and masses of regular and irregular areas
reading and interpreting written information on marine engineering problems and express this information in mathematical terms
solving problems using appropriate laws and principles
using a calculator to resolve marine engineering problems.
Evidence of Knowledge
Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:
centre of gravity (CG), longitudinal centre of gravity (LCG), vertical centre of gravity (VCG)
centroids of area
formulae for areas, volumes and masses of regular and irregular shapes
indices
Law of Logarithms
proportions, variation, percentages, averages and method of unity
Pythagoras’ Theorem.
Assessment Conditions
Assessors must satisfy National Vocational Education and Training Regulator (NVR)/Australian Quality Training Framework (AQTF) assessor requirements.
Assessment must occur in workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in simulated workplace operational situations that reflect workplace conditions.
Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.
Resources for assessment must include access to:
tools, equipment, machinery, materials and personal protective equipment currently used in industry
applicable documentation such as legislation, regulations, codes of practice, workplace procedures and operational manuals
range of relevant exercises, case studies and/or simulations.
Foundation Skills
This section describes those language, literacy, numeracy and employment skills that are essential to performance. |
Foundation skills essential to performance are explicit in the performance criteria of this unit of competency. |
Range Statement
Specifies different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Range is restricted to essential operating conditions and any other variables essential to the work environment. |
Not Applicable. |
Sectors
Not applicable.
Competency Field
L - Marine Engineering