QUIZZ ANG

What does CNC stand for?

• Computer Number Code

• Controlled Numeric Command

• Computer Numerical Control

• Centralized Navigation Circuit

What is the main advantage of CNC over conventional machines?

• Requires no electricity

• Higher precision and consistency

• Easier to operate manually

• Works only for wood

Which component of a CNC machine acts as the "brain"?

• Drive system

• Feedback system

• Controller

• Worktable

What type of tool is used to create curved or 3D surfaces?

• Face mill

• End mill

• Ball nose cutter

• Drill bit

What is G-code used for in CNC machines?

• Designing 3D models

• Painting machine parts

• Controlling movement and operations

• Cleaning toolpaths

Which decade saw the emergence of CNC with microprocessors?(2 film)

• 1950s

• 1960s

• 1970s

• 1990s

Which software is used to design parts before generating toolpaths?

• CAM

• CAD

• G-code

• PLC

What is a canned cycle in CNC programming?

• A backup of machine data

• A predefined machining operation

• A tool holder

• A type of drill bit

What does the feedback system in a CNC machine do?

• Starts the machine

• Moves the tool

• Provides real-time data on position and accuracy

• Changes the workpiece

Which of the following is a current trend in CNC technology?

• Fully manual control

• Use of analog interfaces

• Industry 4.0 integration and AI

• Wooden tooling