NC and CNC Machines Quiz

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Questions and Answers

What is the main advantage of NC machines?

  • Lower initial cost
  • Reduction of human error (correct)
  • Higher production speed
  • Easier maintenance

Which of the following is an application of NC machines?

  • Painting
  • Assembly
  • Welding
  • Grinding (correct)

What are the basic components of an NC system?

  • Program of instructions, MCU, Machine tool (correct)
  • Conveyor belt, Robotic arm, Assembly line
  • Power source, Hydraulic system, Pneumatic system
  • Control panel, Sensors, Actuators

Why are NC machines best suited for small batch production?

<p>Flexibility in programming (B)</p>
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What is a disadvantage of the NC system?

<p>High initial cost (B)</p>
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