mocks revision

• What is wind power primarily driven by?


  Wind
• Why is wind power considered intermittent?

  Because it depends on wind availability
• What does tidal power rely on?

  Tidal movements
• What is a limitation of tidal power?

  It is limited to coastal areas
• What do solar panels harness for energy?

  Sunlight
• In what conditions are solar panels most efficient?

  In sunny regions
• What type of material does biomass utilize?

  Organic material
• What is a drawback of biomass energy generation?

  It can contribute to deforestation
• What does hydroelectric power use for energy generation?

  Water flow
• What is a potential impact of hydroelectric power on the environment?

  It can impact ecosystems
• What are composite materials?

  • Made from two or more components
  • Create materials with superior properties
  • Example: glass reinforce plastic and fibre reinforce plastic
• What is the example system block diagram for a computer?

  • Input: Keyboard, Mouse, Scanner
  • Process: Central Processing Unit (CPU)
  • Output: Monitor, Printer, Speakers
  • Storage: Hard Drive, Solid-State Drive (SSD)
  • Power Supply: Provides energy
• What characterizes a first-order lever?

  Fulcrum in the middle
• What characterises a second-order lever?

  load in the centre e.g wheel barrow
• What is a third-order lever?

  force in the middle e.g tweezers
• What are the properties of polymers?

  • Thermoforming: Flexible and remoldable
  • Thermosetting: Rigid and heat-resistant
• What are the types of metals and their properties?

  • Ferrous: Contains iron, prone to rust (e.g., cast iron , low carbon steel , high carbon steel )
  • Non-Ferrous: No iron, corrosion-resistant (e.g., aluminum , zinc , copper , tin)
  • Alloys: Mixtures of metals for enhanced properties (e.g., brass , stainless steel , high speed steel)
• What are the characteristics of hardwoods and softwoods?

  • Hardwoods: Durable, slow-growing (e.g., oak , ash , mahogany , beech , balsa)
  • Softwoods: Lightweight, fast-growing (e.g., pine , larch , spruce)
• What are the properties of corrugated cardboard and duplex board?

  • Corrugated Cardboard: Lightweight and strong, used for pizza boxes
  • Duplex Board: Moisture-resistant with a glossy finish, used for juice boxes
• properties of cotton

  - Soft, strong, and absorbent

  - washes and takes dyes well
• properties of wool

  - warm

  - naturally crease resistant

  - can shrink
• polyesters properties

  - tough , strong

  - hardwearing

  - non-absorbent
• properties of elastane

  - smooth , strong

  - elastic or stretchy

  - retains shape and quick drying
• What are the fabric construction methods?

  • Weaving: Strong and durable
  • Knitting: Stretchy and warm
  • Felting: No grain, can be cut freely
• What ecological issue is associated with cotton farming?

  - farming cotton often uses artificial fertlisers and pesticides to help increase the amount of natural fibre produced

  - these can pollute rivers and harm wildlife

  - farming also needs lots of land

  - getting that may involve deforestation or clearing habitats
• What are the needs and wants for a bike shed?

  • Security
  • Weatherproofing
  • Durability
• What are some innovative features for bike sheds?

  • Solar-powered lighting
  • Space-efficient designs
  • Digital locks
• What is the benefit of nesting and tessellation in design?

  Minimizes material waste during cutting reducing costs and enviromental impact
• What are the health and safety considerations for electrical equipment?

  • Ensure insulation
  • Avoid water exposure
  • Wear protective gear
• What does anthropometrics study?

  Human body measurements
• How does anthropometrics apply to bike sheds?

  Ensures height accommodates varying users
• Why is width and spacing important in bike sheds?- anthropometrics

  To prevent overcrowding and damage
• What does ergonomics focus on?

  User comfort and efficiency
• How does ergonomics apply to bike sheds?

  Reduces strain when lifting bikes
• What is the benefit of weatherproofing in bike sheds?- ergonomics

  Improves user comfort and bike protection
• Why is lighting important in bike sheds?- ergonomics

  Ensures safety during low light
• What are innovative features for enhancing user experience in bike sheds?

  • Digital locking system
  • Integrated charging stations
  • Green roof for insulation
• What does tolerance refer to in design?

  Acceptable range of variation in the dimensions or performance of a product
• Why is tolerance important in manufacturing?

  Ensures parts fit together correctly
• What is design fixation?

  Overly attached to a single idea