CAD - CAM MCQ Questions and Answers Quiz

21. Locating devices are classified as

  1. Text input devices
  2. Graphics input devices
  3. Both a and b
  4. None of the above

22. M30 stands for

  1. End of program
  2. End of block
  3. End of tape and tape rewind
  4. Coolant on/ off

23. Mouse is a ..............type of input device.

  1. Text
  2. Graphics
  3. Locating
  4. All of the above

24. MRP input requires

  1. MPS
  2. BOM
  3. Inventory file
  4. All of the above

25. NC contouring is an example of

  1. Continuous path positioning
  2. Point-to-point positioning
  3. Absolute positioning
  4. Incremental positioning

26. On turning lathes the machine zero point is generally at the

  1. Head stock of lathe spindle nose face
  2. Dead center of tail stock
  3. Tool point mounted on tool post
  4. none of the above

27. Stiffness is ...............to the length of the element.

  1. Inversely proportional
  2. Directly proportional
  3. Exponential
  4. Independent

28. The axes of turning machine arc

  1. Z and X-axes
  2. X and Y-axes
  3. Z and Y-axes
  4. X, Y and Z-axes

29. The curve that follows a convex hull property is

  1. Cubic spline
  2. B-spline
  3. Bezier curve
  4. None of the above

30. The degree of the Bezier curve with n control points is

  1. n + 1
  2. n - I
  3. n
  4. 2n
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