Intro and safety for machine Tool technology

Directions: C ircle or completely mark through the letter of the one most correct alterna​tive.

1. Which of the following professionals is responsible for preparing a machine tool for production and assisting the operator in establishing a first article acceptable part?

a) General machinist b) Apprentice machinist

c) Setup person d) Tool & die maker

2. The most typical machining process used in a modern industrial plant is:

a) Laser die cutting b) Chip-producing, rotational cutting

c) High temperature, plasma-arc d) High-pressure abrasive water jet

3. Noise is considered an industrial hazard if it is continually above ____ decibels.

a) 50 b) 63

c) 77 d) 85

4. Which of the following are NOT appropriate eye protection

a) Safety glasses w/ shatterproof lenses b) Perforated side shield safety glasses

c) Mirrored “aviator” glasses d) Polymer-based safety face shield

5. When lifting, which of the following is not recommended practice?

a) Lift with back straight and as near vertical as possible.

b) Bend your knees and use your legs to do the work.

c) As for help if the load appears to be too heavy for one person to lift.

d) Jerk the object up as quickly as possible.

6. Guards are used on equipment to

a) To hinder access to replaceable parts.

b) To limit exposure to “pinch points.”

c) To ensure only authorized union members can operate machines.

d) None of the above

7. What type of fire suppression method would best be used on fire around a computerized, high voltage electrical machine (e.g., a CNC mill or router or a robot)?

a) a pressurized water fire extinguisher b) a halon fire extinguisher

c) Class A reactive foam d) sand or oil dry

8. What kind of clothing is considered the safest to wear in a machine shop?

a) Loose fitting cotton for easy movement.

b) Rayon and nylon for fire protection.

c) Old grubby clothes that can be discarded after use.

d) Close fitting, hard smooth‑finish fabric.

9. Who should be immediately notified if you are injured, even if the injury is slight?

a) The instructor. b) The police.

c) The department of emergency services. d) Your mother‑in‑law.

10. Second and third degree burns should be treated by:

a) Covering the burn with butter. b) Washing with soap and water.

c) Spraying with a disinfectant. d) A physician.