AURTTE001 — Apply knowledge of engine science

Elements & performance criteria

Performance evidence

• apply knowledge of engine science to three different multi-cylinder engines when diagnosing and repairing engine faults or reconditioning engine components
• evaluate and expand knowledge of engine science, including demonstrating knowledge of one of the following:  new repair or reconditioning procedure  new engine technology  new reconditioning machine

Knowledge evidence

• classifications of engines, including:  internal and external combustion  rotary and reciprocating engines  spark ignition and compression ignition engines  engine cylinder arrangements
• engine configurations, including:  inline engines, V type engines and slant cylinder engines  opposed cylinder engines
• camshaft and valve locations, including:  overhead cam (OHC)  overhead valve (OHV)
• engine operating principles, including:  combustion, including:  air to fuel ratios and flame propagation  direct and indirect fuel injection  detonation and pre-ignition  two-stroke and four-stroke cycles
• procedures for measuring engines and engine performance, including:  bore and stroke, including:  over square, square and under square engines  crank throw  swept volume and engine volume  compression ratio  engine efficiency, including volumetric efficiency, thermal efficiency and mechanical efficiency  torque and horsepower, including brake horsepower
• construction and operation of petrol engines, including:  basic metallurgy relating to engines  identification of metric and imperial threads  engine components, including cylinder blocks, cylinders, pistons, cylinder heads, combustion chambers, inlet and exhaust manifolds, connecting rods, crankshafts, piston rings, gudgeon pins, camshafts, cams and flywheels  combustion chambers, including:  L head, bathtub, wedge, trapezoidal, hemispherical and heron-type shapes  multiple valve designs
• construction and operation of diesel engines, including:  direct and indirect injection  swirl chambers  pre-combustion chambers
• engine diagnosis, including:  wet and dry compression tests  cylinder leakage tests  cylinder power balance tests  vacuum tests  oil pressure tests  sources of fluid leaks  exhaust smoke diagnosis  engine noise diagnosis, including procedures for identifying:  common engine noises  common abnormal combustion noises
• procedures for expanding knowledge, including location and content of:  technical literature relating to engine science  technical information relating to new and emerging engine technologies

Foundation skills

• Learning skills:  locate engine reconditioning procedures and engine specifications in workshop and manufacturer literature efficiently.
• Reading skills:  interpret technical information and terminology found in workshop manuals and automotive textbooks relating to engines.
• Communication skills:  discuss interpretation of engine science with colleagues and supervisor using listening skills and correct industry terminology.
• Numeracy skills:  interpret numbers and units in information relating to engines in workshop manuals and automotive textbooks  use basic mathematical operations, including addition, subtraction and multiplication, to calculate engine dimensions  use simple formulas, such as A = πr2  interpret numbers and units used with measuring equipment, such as compression gauges and cylinder leakage testers.

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.

Questions about assessing AURTTE001