Metrology Engineering MCQ Mechanical Engineering

Attempt now to check your rank among 18 students! 50 Questions 30 Mins

About Metrology Engineering

Metrology Engineering is the science of measuring and inspecting. It deals with the design and development of measurement systems, as well as the analysis of measurement data. In other words, metrology engineers make sure that everything is accurately measured so that products can be made to spec and defects can be detected and corrected. If you're interested in a career in metrology engineering, read on for more information!

Metrology engineers use a variety of tools and techniques to measure everything from the thickness of a sheet of paper to the diameter of a pipe. They also develop new measurement methods and devices, as well as improve existing ones. In addition, metrology engineers often work with computer software to create models of measurements or objects being measured. This helps them to better understand the measurement process and to find ways to improve it.

Metrology engineering is a vital field, as accurate measurements are essential in many industries, from manufacturing to construction. Without metrology engineers, it would be very difficult to produce high-quality products or build structures that meet safety standards. If you're interested in a career in metrology engineering, be sure to check out our metrology engineering program!

Following are some of the multiple choice questions on the Metrology Engineering with answers that will help the students in developing their knowledge.

Metrology Engineering MCQ

1. What is the advantage of mechanical comparator over others?

  • Less moving parts
  • No need of external supply
  • No error due to parallax
  • Large range of instrument

2. SI system is built on arbitrarily selected units called _____

  • NONE

3. LVDT kependekan dari

  • linear-variable differential transformer
  • Linear transformator diferensial variabel
  • Both A & B
  • None of these

4. Karakteristik alat ukur secara umum, kecuali

  • Perpendicularity
  • Diameter
  • Calibration
  • Both A & B

5. Karakteristik alat ukur secara umum

  • Rule of 10
  • Sensitivity
  • Calibration
  • All of above

6. 1°C = _______K

  • 272
  • 273
  • 274
  • 275

7. Metro logy is a branch of science which deals with ___.


8. What is the main purpose of Wringing of slip gauges?

  • Increase length between mating slips
  • Reduce length between mating slips
  • Remove air-gap between mating slips
  • Align mating slips

9. The study of scientific metrology deals with

  • accuracy and methods of measurement
  • standard specifications
  • theories related to nature
  • all of the above

10. In a measurement system,

  • A single measurement components may have both random errors and systematic errors
  • A measurement system consists of several components with each component having separate errors
  • Both the statement (a) & (b) are true
  • Neither statement (a) nor statement (b) are true

11. Random errors in a measurement system are due to

  • Environmental changes
  • Use of uncalibrated instrument
  • Poor cabling practices
  • Unpredictable effects

12. If the instrument is used in wrong manner while application, then it will results in

  • Systematic error
  • Instrument error
  • Random error
  • Environmental error

13. Which of the following is not correct about wavelength standard?

  • Wavelength of monochromatic light is an invariable unit of length
  • Wavelength standard is a physical standard
  • It is a reproducible standard
  • It is a natural unit of length

14. Which of the following error is not a systematic error?

  • Error induced due to stylus pressure
  • Instrument location errors
  • Error due to parallax
  • Error due to play in the instrument’s linkages

15. The desirable static characteristics of a measuring system are

  • Accuracy and resproducibility
  • Accuracy, sensitivity and reproducibility
  • Drift and dead zone
  • Static error

16. From which category, sigma comparator belongs?

  • Optical comparator
  • mechanical comparator
  • mechanical-optical comparator
  • electric comparator

17. Which of the following is a characteristic of End standard?

  • accuracy of ± 0.2 mm
  • accuracy of ± 0.050 mm
  • accuracy of ± 0.001 mm
  • accuracy of ± 1.00 mm

18. In which of the following length standards, parallax error is observed?

  • line standard
  • end standard
  • both a & b
  • none of the above

19. Which of the following causes is/are responsible for systematic errors?

  • non linearity
  • change in sensitivity
  • zero offset
  • All of the above

20. Sine bar is used to measure an angle upto.......... degrees.

  • 30
  • 45
  • 60
  • 90

21. It is the susceptibility of a measurement device to have its indicators converted into meaningful numbers.

  • Readability
  • Precision
  • Inspection
  • Error

22. Has to ensure the adequate function of measurement instruments used in industry as well as production and testing process.

  • Scientific Metrology
  • Industrial Metrology
  • Legal Metrology
  • Fundamental Metrology

23. What is bilateral tolerance?

  • Total tolerance is in 1 direction only
  • Total tolerance is in both the directions
  • May or may not be in one direction
  • Tolerance provided all over the component body

24. Dimension 100 H7 indicates

  • Hundred houses on 7th cross
  • 100 horses in 7 rows
  • Basic size of 100 , H fundamental deviation for Hole and 7 IT Grade
  • Basic size of 100 , H fundamental deviation for shaft and 7 IT Grade

25. In the Standard IS 919 of limits & Fits; there are _______ number of fundamental deviations.

  • 20
  • 100
  • 28
  • 25

26. The maximum and minimum limit of size for the dimension 100 ± 0.50 mm is

  • 105.00 mm & 95.0 mm
  • 100.05 mm & 99.05 mm
  • 150.00 mm & 50.0 mm
  • 100.50 mm & 99.50 mm

27. _________ refers to the closeness of 2 or more measurements to each other.

  • Precision
  • Accuracy
  • Togetherness
  • Standard Value

28. Why study Limit system? Which below statement does not reason the purpose of studying limit system

  • Exact size is impossible to achieve
  • Establish boundaries within which deviation from perfect form is allowed but still the design intent is fulfilled
  • Enable removability of components during assembly
  • Enable replace ability of components during assembly

29. Which is not a type of tolerance?

  • Quadrilateral
  • Bilateral
  • Unilateral
  • None of these

30. _________ refers to the closeness of a measured value to a standard Value

  • Proximity
  • Tolerance
  • Limits
  • Accuracy

31. In the below options, which correlates to the definition of limits?

  • Average and Maximum
  • Maximum and Minimum
  • Minimum and Average
  • Least and Average

32. In Limits, Fits and Engineering tolerances; What is expansion of the acronym MMC?

  • My Machine Campaign
  • Medium Material Condition
  • Most Material Cut
  • Maximum Material Condition

33. If the tolerance is allowed on both side of the basic size it is called _____________ tolerance.

  • Unit
  • Bilateral
  • Undivided
  • Biased

34. If the tolerance is allowed on one side of the basic size it is called _____________ tolerance.

  • Unit
  • Undivided
  • Unilateral
  • Under

35. The maximum and minimum permissible sizes within which the actual size of a component lies are called ___________.

  • Limits
  • Boundary
  • Allowance
  • Basic sizes

36. Which instrument measures liquid precipitation?

  • Rain gauge
  • Wind vane
  • Anemometer
  • Barometer

37. Which instrument measures temperature?

  • Psychrometer
  • Thermometer
  • Anemometer
  • Barometer

38. Which instrument measures air pressure?

  • Psychrometer
  • Thermometer
  • Anemometer
  • Barometer

39. The _____________ the isobars on a map are to/from one another the ___________ the wind.

  • closer, slower
  • closer, faster
  • farther, faster
  • None of these

40. Which of the following is not data represented on a weather map?

  • temperature 
  • precipitation
  • change in air pressure
  • traffic volume

41. What are lines on a weather map connecting points of equal pressure?

  • Isotherms
  • Isoclines
  • Isobars
  • Isochrons

42. What are lines on a weather map connecting points of equal temperature?

  • Isotherms
  • Isoclines
  • Isobars
  • Isochrons


  • AREA

44. These are units of combination of two or more quantities


45. What is the expansion of SI


46. The chosen reference standard is called ______

  • unit
  • measurements
  • inspection
  • science

47. ............used for checking internal thread

  • Thread plug gauge
  • Thread ring gauge

48. Taper gauges also called as..............?

  • Pin gauges
  • Feeler gauges

49. .......... is used for checking internal threads?

  • Thread plug gauge
  • Thread ring gauge

50. If the gauge is an exact copy of mating part of the component to be checked, it is called...........?

  • Limit gauges
  • Standard gauges

Enjoyed the Quiz. Share this with friends


Add Your Review

Your email address will not be published.

Subscribe to Newsletter!

Subscribe to get latest updates and information.