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WorksheetsCNC and NC Technology Quiz
Total questions: 10
Worksheet time: 5mins
What does CNC stand for?
Central Numerical Control
Computerized Numeric Control
Controlled Numerical Computer
Computer Numerical Control
What was the primary goal of NC technology?
To simplify programming
To eliminate manual labor
To increase production and improve quality
To reduce machine costs
Which component converts written instructions into a hole pattern in NC systems?
NC machine
Tape punch
Tape reader
Controller
What is a major advantage of CNC over traditional NC?
More manual input required
Less precision
Easier program editing
Higher initial cost
What type of control does a closed loop system use?
Randomized movements
Manual adjustments
Feedback from sensors
Fixed pulse counting
Which of the following is NOT an application of NC?
Welding
Turning
Milling
Grinding
What is the purpose of the machine control unit (MCU) in CNC?
To store raw materials
To control the machine's movements
To manage employee schedules
To monitor production costs
What is a disadvantage of CNC machines?
Simpler programming
Increased operator involvement
Higher maintenance costs
Lower productivity
What does the term 'DNC' stand for in CNC technology?
Direct Numerical Control
Distributed Numerical Control
Dynamic Numerical Control
Digital Numerical Control
Which of the following is a feature of modern CNC systems?
No automation
Manual blueprint reading
Use of CAD/CAM software
Single-axis operation only
