CNC Training - 40 Multiple Choice Questions

Which of the following should always be worn in the machine workshop?

• Loose clothing

• Safety goggles

• Neckties

• Necklaces

Why should long hair be restrained with a cap or hair net in the workshop?

• To avoid entanglement with moving parts

• To improve visibility

• For better comfort

• To keep the head cool

What type of shoes must be worn in the workshop?

• Sandals

• Running shoes

• Safety-toe shoes with slip proof

• Barefoot

Accidents in workshops are usually caused by:

• Bad luck

• Carelessness

• Machine failure

• Unpredictable events

Why must tools be returned to their storage place immediately after use?

• To save time

• To avoid theft

• To prevent hazards and keep area organized

• To allow others to borrow

Why should compressed air not be used to remove chips from machines?

• It wastes air supply

• It can wedge chips between parts causing damage

• It takes longer

• It is noisy

What can oil, debris, or water on the workshop floor cause?

• Improved lubrication

• Tripping or slipping accidents

• Faster cleaning

• Cooling effect

Tools and measuring instruments should be:

• Left on the machine

• Arranged properly when not in use

• Shared freely without recording

• Cleaned monthly

What should be checked before starting operation on CNC machines?

• Tool offset compensation values

• Colour of machine

• Weight of operator

• Temperature of room

When performing tool changes, where should it be done?

• Near the spindle

• At the home or index point

• Inside the chuck

• During cutting