Skill of the Fortnight – Quiz on Manufacturing and Engineering

1. What is the main purpose of Personal Protective Equipment (PPE) in a workshop?
A) To increase production speedB) To protect workers from hazardsC) To reduce material costD) To improve machine accuracy

2. Which measuring instrument is suitable for accurate measurement of internal and external dimensions?
A) Steel ruleB) Try squareC) Vernier caliperD) Feeler gauge

3. What does a try square help to check?
A) Flatness of surfaceB) Diameter of a rodC) ParallelismD) Right angle (90°)

4. Which operation is the primary operation of a lathe machine?
A) TurningB) MillingC) GrindingD) Welding

6. Why is good housekeeping important in a workshop?
A) To reduce electricity usageB) To improve machine appearanceC) To reduce accidents and improve efficiencyD) To avoid machine maintenance

7. Which tool is commonly used to cut metal rods or bars?
A) ChiselB) HammerC) FileD) Hacksaw

8.What is the main purpose of turning in a lathe operation?
A) To increase hardnessB) To reduce the diameter of a workpieceC) To drill holesD) To polish surfaces

9. In manufacturing, what does the term “tolerance” mean?
A) Total production quantityB) Permissible variation in a dimensionC) Machine running timeD) Surface finish level

11. Which part of a lathe machine holds and rotates the workpiece?
A) Tool postB) TailstockC) CarriageD) Chuck

12. What does CNC stand for?
A) Computer Network ControlB) Central Numerical CodeC) Computer Numerical ControlD) Common Numerical Calculation

13. What is a key advantage of CNC machines compared to conventional
machines?
A) Higher manual effortB) Lower accuracyC) Consistent quality and repeatabilityD) Slower production

14. Which input is essential for operating a CNC machine?
A) Hand-operated leversB) Verbal instructionsC) Mechanical camsD) Program or coded instructions

15. Which of the following statements correctly describe key differences between a conventional
lathe machine and a CNC machine? (Select ALL that apply)
A) A conventional lathe machine is mainly operated manually, while a CNC machine operates using programmed instructionsB) CNC machines provide better repeatability and consistency in production compared to conventional lathe machinesC) In a CNC machine, the operator’s role focuses more on programming, setup, and monitoring rather than continuous manual controlD) Conventional lathe machines are not useful for learning basic machining skills

Δ