Metrology Engineering MCQ Mechanical Engineering

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About Metrology Engineering

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. LVDT kependekan dari

  • linear-variable differential transformer

3. Jelaskan yang dimaksud dengan Rule of 10

  • instrumen atau pengukur harus 10kali lebih akurat daripada toleransi dimensi dari bagian yang diukur.

4. Sebutkan 4 faktor yang berkontribusi dalam penyimpangan dimensi dalam pembuatan part oleh mesin produksi

  • Static and dynamic deflections of the machineDistortion of the machineWear of tools, dies, and moldsHuman errors and miscalculations

5. Karakteristik alat ukur secara umum, kecuali

  • Perpendicularity
  • Diameter
  • Calibration
  • Rule of 10
  • Sensitivity

6. Karakteristik alat ukur secara umum

  • Perpendicularity
  • Diameter
  • Calibration
  • Rule of 10
  • Sensitivity

7. 1°C = _______K

  • 272
  • 273
  • 274
  • 275

8. Pada gambar dibawah ini mana yang termasuk kedalam instrumen modern

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

  • MEASUREMENTS
  • TOOLS
  • INSTRUMENTS
  • DIMENSIONS

10. 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
  • None of the above

11. The study of scientific metrology deals with

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

12. 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

13. Random errors in a measurement system are due to

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

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

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

15. 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

16. 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

17. The desirable static characteristics of a measuring system are

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

18. From which category, sigma comparator belongs?

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

19. 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

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

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

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

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

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

  • 30
  • 45
  • 60
  • 90

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

  • · Readability
  • · Precision
  • · Inspection
  • · Error

24. 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

25. 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

26. Pada gambar dibawah ini mana yang termasuk kedalam instrumen tradisonal

27. Apa yang dimaksud dengan presisi

  • sejauh mana instrumen memberikan pengukuran berulang dari standar yang sama

28. Apa yang dimaksud dengan resolusi

  • perbedaan dimensi terkecil suatu instrumen pengukur

29. 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

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

  • 20
  • 100
  • 28
  • 25

31. 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

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

  • Precision
  • Accuracy
  • Togetherness
  • Standard Value

33. 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

34. Which is not a type of tolerance?

  • Quadrilateral
  • Bilateral
  • Unilateral

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

  • Proximity
  • Tolerance
  • Limits
  • Accuracy

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

  • a) Average and Maximum
  • b) Maximum and Minimum
  • c) Minimum and Average
  • d) Least and Average

37. 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

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

  • Unit
  • Bilateral
  • Undivided
  • Biased

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

  • Unit
  • Undivided
  • Unilateral
  • Under

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

  • Limits
  • Boundary
  • Allowance
  • Basic sizes

41. Which instrument measures liquid precipitation?

  • Rain gauge
  • Wind vane
  • Anemometer
  • Barometer

42. Which instrument measures temperature?

  • Psychrometer
  • Thermometer
  • Anemometer
  • Barometer

43. Which instrument measures air pressure?

  • Psychrometer
  • Thermometer
  • Anemometer
  • Barometer

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

  • closer, slower
  • closer, faster
  • farther, faster

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

  • Isotherms
  • Isoclines
  • Isobars
  • Isochrons

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

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

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

  • Isotherms
  • Isoclines
  • Isobars
  • Isochrons

48. BASE UNIT ONE EXAMPLE

  • AREA
  • VOLUME
  • DENSITY
  • METER

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

  • DERIVED UNITS
  • BASE UNIT
  • SUPPLEMENTARY UNIT
  • SPECIAL UNIT

50. •SI system is built on arbitrarily selected units called _____

  • DERIVED UNIT
  • BASE UNIT
  • SUPPLEMENTARY UNIT
  • NONE

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