INTERNATIONAL CAD STANDARDS

Other Chapters

• Q1: Name different types of symbols used in Architectural drawings.
  Ans: The different symbols are:

  • ➔ Door symbols
  • ➔ Window symbols
  • ➔ Stair symbols
  • ➔ Furniture symbols
• Q2: What is the purpose of using symbols in drawings?
  Ans: Symbols simplify complex objects, save drawing space, and provide standard representation for easy understanding.
• Q3: Name any four service symbols used in CAD drawings.
  Ans: The different symbols are:

  • ➔ Electrical outlet symbol
  • ➔ Water supply symbol
  • ➔ Gas line symbol
  • ➔ Telephone/Data symbol
• Q4: What is the purpose of using material symbols in drawings?
  Ans: They represent different construction materials (brick, concrete, steel, wood, etc.) for clear identification.
• Q5: Why is the “North” sign used in Architectural drawings?
  Ans: The North sign indicates orientation, helping in proper placement of buildings with respect to sunlight, wind, and directions.
• Q6: Define electrical symbols.
  Ans: Electrical symbols are graphical representations of electrical components (switches, outlets, lights, etc.) used in drawings.
• Q7: What do you know about plumbing?
  Ans: Plumbing deals with the system of pipes, fixtures, and fittings used for water supply, drainage, and sanitation.
• Q8: Name and sketch any four plumbing symbols.
  Ans: Symbols are:

  • ➔ Wash basin symbol
  • ➔ Sink symbol
  • ➔ Toilet symbol
  • ➔ Shower symbol
• Q9: What is the purpose of giving different colors to lines in Architectural drawings?
  Ans: Different colors represent different layers, improve readability, and help in distinguishing building elements.
• Q10: Differentiate between Index Colors Tab & True Color Tab.
  Ans:
  Index Colors Tab: Uses a fixed palette of 256 standard colors.
  True Color Tab: Allows selection of any color using RGB or HSL values.
• Q11: Define HSL.
  Ans: HSL stands for Hue, Saturation, and Lightness, a system for defining colors.
• Q12: What are the main functions of Layer Properties Manager?
  Ans: The functions are:

  • ➔ Create, modify, and delete layers
  • ➔ Control color, linetype, and lineweight
  • ➔ Manage visibility and plotting of layers
• Q13: Name different types of Layer Filters.
  Ans: The types are:

  • ➔ Group filter
  • ➔ Property filter
  • ➔ AutoCAD standard filters
• Q14: Define Layer Keying.
  Ans: Layer Keying assigns objects to predefined layers based on drawing standards, ensuring consistency.
• Q15: Why are Layer Filters created?
  Ans: They are created to quickly organize, manage, and control large numbers of layers in complex drawings.