Leaving Certificate Technology – Materials Practice Test

These questions are part of the practice quiz. Start practicing

• What is the importance of tolerances in press‑fit assemblies and what are the consequences of incorrect tolerances?
• In composites, what term describes the variation of properties with direction due to fiber alignment?
• In fiber-reinforced composites, how do off-axis fibre orientations affect properties compared with along-fibre directions?
• Which statement best describes the difference between thermoplastics and thermosetting polymers, including examples and recycling implications?
• Which sequence is part of the waste disposal hierarchy steps?
• Which of the following is not a property of natural fibres?
• Define yield strength and ultimate tensile strength and explain their significance for design.
• In blow moulding, what is the parison?
• Which material is NOT a thermoplastic?
• In casting, which defect can reduce density uniformity and create weak spots?
• Hardwood is defined as wood from which type of tree?
• What is a typical benefit of using unidirectional continuous fiber reinforcement in composites?
• Examples of synthetic fibres include which of the following?
• Name three timber properties that affect structural suitability and explain how grain direction influences strength.
• Which material is a ceramic?
• Tempering steel after quenching primarily achieves which outcome?
• What does upcycling mean in the context of material use?
• Which of the following is a thermoplastic material?
• Which term describes the ability to permanently deform, usually by stretching along its length?
• Which surface treatment is commonly used to improve corrosion resistance of aluminum components?
• Which statement describes creep in polymers and how temperature and time influence it?
• Ceramics are made from which materials?
• Which item is a typical thermoplastic consumer product?
• Which action aligns with design for manufacturability to lower production costs?
• Which statement best describes the advantages and limitations of 3D printing for product development in a school technology context?
• Why is moisture content critical in timber selection and what effect does it have on dimension and strength?
• Which term describes materials that change properties in response to external stimuli such as temperature, moisture or electric fields?
• Which non-destructive testing method is typically used to examine the internal structure of components without destroying them?
• What is embodied energy?
• What is the purpose of quality assurance in manufacturing and name three QC activities?
• How are composite materials formed?
• How does fibre orientation in a composite affect directional properties?
• Which statement correctly contrasts ferrous and non-ferrous metals and mentions a typical corrosion issue for each class?
• Which design approach is used to account for creep in polymers over time?
• Which of the following is a natural-fibre use from the list?
• Environmental stress cracking occurs in polymers due to what conditions?
• What is the Charpy impact test and what information does it provide about material toughness?
• Which option best describes optical properties?
• Dye penetrant testing reveals what type of defects?
• Which approach is a method to reduce environmental impact in manufacturing?
• Compared to softwood, hardwood generally has which characteristic?
• Bronze is an alloy of copper and tin. Which of the following describes bronze?
• Ceramic materials are typically described as which of the following?
• Which statement correctly describes non-ferrous metals?
• Which property describes thermoplastics?
• Natural fibre uses
• Which statement regarding heat treatment is true for relieving residual stresses in metal?
• Which of the following is a thermoset material?
• A metal alloy is defined as which of the following?
• Which term describes the ability to change into a liquid or molten state when heated to its melting point?
• Which term describes the ability to withstand wear, especially weathering?
• Strength is defined as what?
• How do fibre orientation and resin system tailor a composite’s properties? Give two examples.
• Explain life-cycle thinking in product design and name three areas where environmental impact can be minimized.
• Macro sectioning in destructive testing involves which procedure?
• Which adhesive is best for wood-to-metal joints requiring good gap filling and high strength?
• Smart materials are best described as materials whose properties change in response to external stimuli.
• Which material is given as an example of high embodied energy due to production processes?
• List the stages of the product development process from brief to evaluation.
• Which test is commonly used to measure impact toughness, such as Charpy impact?
• Which is not a step in the waste disposal hierarchy?
• Which statement best contrasts batch production with mass production?
• Which factor is least relevant to material selection for a design brief?
• Embodied energy includes energy in which stages?
• What is a thermoplastic?
• Which term refers to the ability to change into a liquid when heated to its melting point?
• Which statement best describes the relationship between yield strength and ultimate tensile strength in design?
• Which method is commonly used to prevent corrosion in metal structures?
• Which metals are commonly used for sacrificial protection to protect a more noble metal in seawater?
• Softwood is commonly used for which applications?
• Anodising thickens the oxide layer on a metal surface. Which material is it most commonly used on, and what advantage does it provide?
• Which combination correctly identifies typical ceramic properties and a common application?
• Natural fibres are produced by plants or animals and can be spun into thread. Which statement is true?
• Softwood properties include which of the following?
• What does rethink encourage before purchasing?
• Which option correctly lists the key steps in a metal surface painting process?
• Which term describes the ability to bend and return to shape?
• Which of the following is a softwood species?
• Natural fibres are materials produced by plants or animals that can be spun into a thread, rope or filament. Which option describes natural fibres?
• Which statement lists a typical stage of a life cycle assessment?
• Why is the coefficient of thermal expansion important when combining materials in an assembly?
• Differentiate welding from brazing and indicate suitable material scenarios for each.
• Which combination of safety measures is essential when operating metalworking machinery?
• Which statement describes the waste disposal hierarchy?
• Which statement about destructive testing is true?
• Why is burning plastics discouraged and what are safer disposal options?
• Which destructive testing method is used to assess ductility by bending a coupon in three points?
• What contributes most to the high embodied energy of stainless steel?
• Which of the following is a ferrous metal?
• Which of the following is NOT a natural source of plastic?
• Softwood comes from which type of trees?
• Which term describes the ability to permanently deform in all directions without cracking?
• Which of the following is a common use for thermoset materials?
• What does the term composite material mean?
• Which tests are commonly used to evaluate mechanical properties of materials in QC?
• Which statement correctly distinguishes brass from bronze?
• Name three common hardness testing methods and the scales used.
• Which description matches Compression Moulding?
• Which description best matches thermoset polymers?
• Which statement correctly distinguishes natural and synthetic plastic sources?
• Which statement best describes Young's modulus and its influence on selecting a material for a load‑bearing beam?
• Which material is NOT a thermoset?
• Compare sand casting and investment casting in terms of accuracy, surface finish, and cost, and mention typical applications.
• What is the primary use of solder?
• Which statement defines destructive testing?
• Define shear strength and indicate where this property is critical.
• Which stage is not part of the product development process?
• Ferrous metals contain which element?
• What is springback in metal forming, and what strategies reduce its effect?
• Ferrous metals commonly exhibit which property?
• In 3 point bend testing, which property is primarily assessed?
• Which non-destructive testing method is commonly used to detect surface cracks in welds?
• Which of the following is a hardwood species?
• What is a typical electrical property of ceramic materials?
• Which statement best describes a composite material?
• Which item commonly uses photochromic materials?
• In a typical life cycle assessment, which stage directly follows distribution?
• Oak is an example of which wood category?
• Which term describes the practice of thinking of another use for a product before discarding it?
• Photochromic materials change colour in response to changes in what?
• Which of the following is a natural source of plastic?
• What four criteria are typically considered in material selection for a design brief?
• Which statement correctly classifies epoxy as a thermosetting polymer?
• In composite materials, which is an example of a bonding agent?
• Which term describes the process of turning used materials into new products?
• Hardwood is commonly used for which applications?
• Which defect is commonly associated with metal forming and how can it be mitigated?
• What is a tolerance and why is it important in mechanical design?
• Which of the following is NOT an example of ceramics?
• Why does surface roughness affect wear resistance and aesthetics, and how is it controlled?
• Downcycling refers to recycling into products of lesser quality.
• Which of the following is a non-ferrous metal?
• Which term describes developing strategies that prevent negative effects on the planet and ecosystems that can be supported indefinitely?
• Which statement about environmental sustainability is true?
• Which description matches Blow Moulding?
• Solder is a metallic alloy used to join two metal surfaces. Which option describes solder?
• Which description matches Injection Moulding?
• An environmental impact assessment in manufacturing involves what main activity?
• Which of the following is a typical use of thermoplastics?
• In hardness testing, what does HV represent?
• What does a galvanic table primarily describe?
• Which adhesive is known for high strength and good gap filling and is typically used for high-strength structural bonds?
• Name two metal forming processes and identify a common defect associated with forming and a remedy.
• Hardwood properties include which of the following?
• Which statement correctly identifies a drawback of casting compared with forging?
• Which term describes the ability to permanently change in shape?
• Thermochromic materials change colour in response to changes in which factor?
• Properties of synthetic fibres include which of the following?
• Which term describes the ability to permanently deform in all directions without cracking?
• Which sequence lists the typical steps in a metal surface painting process to provide protection?
• Which term describes the process of decreasing the amount of finite materials we use?
• Which of the following statements identifies a thermoplastic material?
• Which statement best describes a key difference between thermosets and thermoplastics?
• Which term describes the ability to bend and then to return to its original shape and size?
• Which statement best defines non-destructive testing?
• Which practice best summarizes a safety requirement when operating metalworking machines?
• Which term describes the ability to withstand blows or sudden shocks without breaking?
• Which concept helps predict timber dimensional changes due to moisture in service?
• Which option describes financial sustainability?
• Which statement differentiates modulus of toughness from impact toughness and names the tests used to measure each?
• Conductivity is defined as what?
• Which phenomenon is included in optical properties?
• Which is a use of ceramics?
• Synthetic fibres are defined as:
• Which statement identifies a common timber defect and how moisture content affects wood properties?
• Uses of synthetic fibres include which of the following?
• Compare nails and screws for wood joints in terms of withdrawal resistance and load scenarios?
• Which of the following is a synthetic source of plastic?
• Which term describes the ability of a material to bend and then to return to its original shape and size?
• Which statement describes the properties of ferrous metals?
• Which of the following is a common metal alloy?
• Which of the following is NOT a softwood species?
• Dental implants are an example of which material category?
• Which term describes the ability to withstand wear, especially weathering?
• In a composite material, which could serve as a reinforcing material (an example)?
• Downcycling in plastic recycling and provide an example relevant to LC materials.
• Which statement correctly differentiates quality assurance (QA) and quality control (QC) in manufacturing?
• What does the principle of repair advocate?
• What are the reasons aluminium is favored in aerospace applications, and what processing considerations must be managed?
• Brass is an alloy of copper and zinc. Which option describes brass?
• Why is powder coating a popular finish for steel and what advantages does it provide?
• Which is a common use of ferrous metals?
• What is anodising, which material is it most commonly used on, and what advantage does it offer?
• Which statement best describes social sustainability?
• What is a composite material, and which example correctly describes its matrix and reinforcement and the benefit?
• What is sacrificial protection in corrosion control?
• Which of the following is a common ceramic application?
• Which is a typical use for non-ferrous metals?
• Beech is an example of which wood category?
• Which statement best defines material fatigue and how an S–N curve assists in designing for life expectancy?
• Natural fibre properties include:
• Which statement best describes destructive testing?
• Which statement best reflects the principle of refuse in sustainable consumption?
• Which of the following is a non-ferrous alloy?
• In machining, feed rate is best described as which of the following?