Metrology MCQ

Q1. Metrology is the science of?

Q2. The main purpose of metrology is?

Q3. A Vernier caliper can measure up to an accuracy of?

Q4. The least count of a micrometer is usually?

Q5. Pitch of a metric screw thread is measured in?

Q6. Slip gauges are used for?

Q7. Which instrument measures small angular distances?

Q8. A dial indicator is used to measure?

Q9. Which instrument is used for measuring internal diameter?

Q10. Surface plate is made of?

Q11. Which is used for flatness measurement?

Q12. Gauge blocks are also called?

Q13. Which instrument measures hardness?

Q14. Which is NOT a type of fit?

Q15. H7/g6 refers to?

Q16. Tolerance is?

Q17. Feeler gauges measure?

Q18. Roundness is checked using?

Q19. Which instrument is used to measure gear tooth profile?

Q20. Straightness error is checked using?

Q21. Which type of error occurs due to wear of instrument?

Q22. Precision refers to?

Q23. Accuracy refers to?

Q24. The instrument used for thread measurement is?

Q25. Interferometer works based on?

Q26. Go-No-Go gauges are used for?

Q27. Which gauge checks bore diameter?

Q28. Which factor affects measurement accuracy?

Q29. Profile projector is used for?

Q30. Micrometer screw gauge works on?

Q31. Which is used to measure small angles up to high precision?

Q32. Universal measuring machine is used for?

Q33. Which error is unpredictable?

Q34. Which symbol indicates upper deviation?

Q35. Calibration of instruments ensures?

Q36. Roundness error is maximum difference between?

Q37. Which gauge checks external threads?

Q38. Tolerance grade IT01 means?

Q39. Laser interferometer is used for?