Mechanical Analytical

• What is the term used for a section that is cut in half?

  Half section
• What is the term for a section that is revolved?


  Revolved section
• What does the term "alternative arrangement" refer to in mechanical sections?

  A different way of presenting sections
• What should not be sectioned when the cutting plane passes longitudinally through them?

  Ribs, shafts, bolts, nuts, rivets, rods, keys, pins, and similar components
• What is the reference standard mentioned for mechanical sections?

  SANS 10111
• What are the types of sections mentioned in the study material?

  • Half section
  • Revolved section
  • Multi-plane section
  • Aligned sections
• What is an aligned section used for?

  For convenience in representation
• What is the purpose of a detailed representation in mechanical drawings?

  To provide clear and precise information about features
• What type of spring is represented as a cylindrical helical compression spring of wire of circular cross-section?

  Cylindrical helical compression spring
• What is the difference between a cylindrical helical compression spring and a cylindrical helical tension spring?

  Compression springs are designed to resist compressive forces, while tension springs are designed to resist pulling forces
• What are the features of springs mentioned in the study material?

  • Cylindrical helical compression spring
  • Barrel-shaped helical tension spring
  • Conical helical compression spring
  • Cylindrical helical tension spring
• What is the term for holes arranged on a circular pitch?

  Holes on a circular pitch
• What does an interrupted view represent in mechanical drawings?

  It shows a section that is not continuous, often used for complex shapes
• What are the types of gears mentioned in the study material?

  • Bevel gears (assembly)
  • Spur gear (detail)
  • Spur gears (assembly)
• What is the purpose of dimensioning in mechanical drawings?

  To provide measurements and specifications for the components
• What does "CBORE" refer to in dimensioning?

  Counterbore
• What is the term for a hole that is wider at the top than at the bottom?

  Counterbore
• What are the types of conventional representations mentioned in the study material?

  • External screw threads (detail)
  • Internal screw threads (detail)
  • Screw threads (assembly)
  • Thread insert
  • Splined shaft
  • Serrated shaft
• What is the significance of the term "WITH REF: SANS 10111" in the study material?

  It indicates that the information is referenced from the SANS 10111 standard
• What is the purpose of using conventional representations in mechanical drawings?

  To standardize the representation of common features for clarity and efficiency
• How do interrupted views differ from regular views in mechanical drawings?

  Interrupted views show sections that are not continuous, while regular views show complete outlines
• What is the representation for a cylindrical helical tension spring of wire of rectangular cross-section?

  Cylindrical helical tension spring of wire of rectangular cross-section
• What is the term for a feature that represents a detailed view of a component?

  Detailed representation
• What is the significance of showing features like straight knurling and diamond knurling in mechanical drawings?

  They indicate specific surface treatments or patterns on components
• What does the term "SFACE" refer to in dimensioning?

  Spotface
• Why is it important to have a reference standard like SANS 10111 in mechanical drawings?

  It ensures consistency and accuracy in the representation of mechanical components
• How do the features of a bevel gear differ from those of a spur gear?

  Bevel gears are used to transmit power between shafts at an angle, while spur gears are used for parallel shafts
• What is the purpose of a simplified view in mechanical drawings?

  To provide a clearer representation of complex components
• What does the term "dowel" refer to in mechanical components?

  A dowel is a cylindrical rod used to align or join two parts together
• What is the significance of showing dimensions like Ø12 or Ø6 in mechanical drawings?

  They indicate the diameter of holes or features
• How does the representation of internal screw threads differ from external screw threads?

  Internal screw threads are shown as a series of grooves inside a hole, while external threads are shown on the outside of a cylinder
• What is the relationship between the cutting plane and the section view in mechanical drawings?

  The cutting plane defines where the section view is taken, showing the internal features of the component
• What does the term "rotated" refer to in the context of aligned sections?

  It indicates that the section view has been turned to show a better perspective
• Why are features like holes on a linear pitch important in mechanical design?

  They are crucial for ensuring proper alignment and fit of components
• What is the purpose of showing a simplified barrel-shaped helical tension spring?

  To provide a clear representation of the spring's design
• How does the representation of a serrated shaft differ from a regular shaft?

  A serrated shaft has grooves or notches that provide better grip or engagement
• What is the significance of using conventional representations for features like screw threads and springs?

  They standardize the representation, making it easier to understand and communicate designs
• What does the term "detailed representation" imply in mechanical drawings?

  It implies a comprehensive view of the component's features
• Why is it important to represent features like bearings in mechanical drawings?

  They are critical components that affect the functionality and performance of machinery
• How do the dimensions Ø15 x 9 deep and Ø15 SFACE differ in mechanical drawings?

  Ø15 x 9 deep indicates a counterbore, while Ø15 SFACE indicates a spotface