CAD-CAM and Automation MCQs with answers Page - 28

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A

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Q. Which of the following is not the advantage of CNC machines?

  • (A) Higher flexibility
  • (B) Improved quality
  • (C) Reduced scrap rate
  • (D) Improved strength of the components

A

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Q. In how many ways CNC machine tool systems can be classified?

  • (A) 2
  • (B) 3
  • (C) 4
  • (D) 5

A

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Q. Point-to-point systems are used for

  • (A) reaming
  • (B) parting
  • (C) grooving
  • (D) facing

A

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Q. In part programming, interpolation is used for obtaining trajectory.

  • (A) helicoidal
  • (B) pentagonal
  • (C) triangular
  • (D) zig-zag

A

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Q. For CNC machining skilled part programmers are needed.

  • (A) True
  • (B) False
  • (C) ---
  • (D) ---

A

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Q. An absolute NC system is one in which all position coordinates are referred to one fixed origin called the zero point.

  • (A) True
  • (B) False
  • (C) ---
  • (D) ---

A

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Q. In , the coordinates are mentioned in the program with respect to one reference point

  • (A) Incremental System
  • (B) Absolute System
  • (C) Datum System
  • (D) Screen Coordinates System

A

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Q. ……… is a group of words or coded instruction for the NC/CNC system to execute a particular movement.

  • (A) Sequence
  • (B) Address
  • (C) Code
  • (D) Block

A

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Q. Each coded instruction in a set of instructions is called as……

  • (A) Words
  • (B) Alphabet
  • (C) Numbers
  • (D) Format

A

Admin • 833K Points
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Q. In , the coordinates are mentioned in the program with respect to one Previous point.

  • (A) Incremental System
  • (B) Absolute System
  • (C) Datum System
  • (D) Screen Coordinates System

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