MEASUREMENT AND MEASURING TOOLS MCQ IN HINDI

MEASUREMENT AND MEASURING TOOLS MCQ IN HINDI

Measurement and Measuring Tools

1.The least count of a universal bevel protractor is

(a) 0.5'

(b) 5'

(c) 5"

(d) 5°

Ans. B

2. The least count of a vernier depth gauge is

(a) 0.10 mm

(b) 0.01 mm

(c) 0.20 mm

(d) 0.02 mm

Ans. D

3. Vernier depth gauge is used for measuring

(a) external dimensions

(b) internal dimensions

(c) step, depth of blind hole

(d) pitch diameter

Ans. C

4. The least count of vernier height gauge is

(a) 0.01 mm

(b) 0.02 mm

(c) 0.05 mm

(d) 0.10 mm

Ans. B

5. While laying out, the vernier height gauge must be used on the

(a) Surface plate

(b) V block

(c) Machine bed

(d) Any flat surface

Ans. A

6. The size of a vernier height gauge is specified by

(a) width of the beam

(b) height of the beam

(c) weight of the height gauge

(d) size of the scriber

Ans. B

7. While marking with a vernier height gauge, the workplace is

generally

(a) supported by an angle plate

(b) supported by another workplace

(c) held by one hand

(d) held without support

Ans. A

8. The smallest inside micrometer has the graduation marked on

the sleeve to a range of

(a) 10 mm

(b) 12 mm

(c) 13 mm

(d) 25 mm

Ans. C

9. To get least count of 5 ‘in a verniar bevel protractor, the 23°

main scale are divided into

(a) 12 equal parts on verniar scale

(b) 22 equal parts on verniar scale

(c) 24 equal parts on verniar scale

(d) 25 equal parts on verniar scale

Ans. A

10. The angle which is less than 90° is called as

(a) obtuse angle

(b) acute angle

(c) right angle

(d) none of the above

Ans. B

11. Micrometer works on the principle of

(a) screw

(b) bolt

(c) stud

(d) nut & bolt

Ans. D

12. Which one of the following instruments is used to measure

accurately the angle of taper?

(a) Bevel gauge

(b) Bevel protractor

(c) Vernier bevel protractor

(d) Taper gauge

Ans. C

13. The least count of a vernier caliper is

(a) 0.10 mm

(b) 0.01 mm

(c) 0.05 mm

(d) 0.02 mm

Ans. D

14. To convert the linear motion of the plunger of a dial test indicator to the rotary motion of the pointer, which one of the following mechanisms is used?

(a) Quick return mechanism

(b) Rack and pinion mechanism

(c) Screw thread mechanism

(d) Hydraulic mechanism

Ans. B

15. Ratchet stop in the micrometer helps to

(a) control the pressure

(b) lock the spindle

(c) adjust zero error

(d) hold the work piece

Ans. A

16 . The least count to the vernier caliper is equal to

(a) Value of 1 M.S.D. - value of 1 V.S.D.

(b) Value of 1 V.S.D. - value of 1 M.S.D.

(c) Value of 2 M.S.D. - value of 1 V.S.D.

(d) Value of 1 M.S.D. + value of 1 V.S.D.

17. A micrometer has a Positive error of 0.02 mm. What is the correct reading when the micrometer measures 25.41 mm ?

(a) 22.39 mm

(b) 25.37 mm

(c) 25.43 mm

(d) 25.45 mm

 Ans. A

18. A micrometer has a negative error of 0.03 mm. Why is the correct reading when in  micrometer measures 40.53 mm ?

(a) 40.50 mm

(b) 40.56 mm

(c) 40.46 mm

(d) 40.59 mm

Ans. B

19. Zero error of a 50 - 75 mm outside micrometer can be checked with

(a) Dial test indicator

(b) Vernier height gauge

(c) Test piece

(d) Feeler gauge

Ans. C

20. The value of the smallest division on sleeve of a metric outside m icrometer is

(a) 0.50 mm

(b) 1.00 mm

(c) 1.50 mm

(d) 2.00 mm

Ans. A

21. Steel rule is a

(a) marking instrument

(b) precision instrument

(c) checking instrument

(d) direct reading measuring instrument

Ans. D

22. What is determined while measuring a component?

(a) Nominal size

(b) Actual size

(c) Specified size

(d) Scale size

Ans. B

23. Steel rule is made of

(a) Brass

(b) Zinc

(c) Stainless steel

(d) Cast iron

Ans. C

24. Which of the following instruments is used for checking flatness and squreness of a surface?

(a) Try square

(b) Varnier height gauge

(c) Slip gauge

(d) Bevel gauge

Ans. A

25. Which of the following is an indirect measuring tool?

(a) Inside caliper

(b) Vernier caliper

(c) Universal bevel protractor

(d) Inside micrometer

Ans. A

26. The base unit of length as per S. I. units is

(a) inch

(b) foot

(c) centimeter

(d) meter

Ans. D

27. Which is NOT the use of a try square?

(a) Measuring right angle

(b) Checking squareness

(c) Marking straight lines at 90 against an edge

(d) Setting work piece at 90

 Ans. A

28. Which of the following is a direct measuring tool?

(a) Try square

(b) Steel rule

(c) Straight edge

(d) Ring gauge

Ans. B

29. The minimum measurement that can be read with the help of a steel rule is

(a) 0.01 mm

(b) 0.02 mm

(c) 0.05 mm

(d) 0.50 mm

Ans. D

30. Try square is used to check up an angle of

(a) 30°

(b) 45

(c) 60°

(d) 90

Ans. D

31. In a metric micrometer, a complete revolution of thimble advances

(a) 0.01 mm

(b) 0.25 mm

(c) 0.50 mm

(d) 1.00 mm

Ans. C

32. The least count of vernier bevel protractor is

(a) 1'

(b) 5'

(c) 10'

(d) 25'

Ans. B

33. The least count of metric micrometer is

(a) 0.01 mm

(b) 0.05 mm

(c) 0.10 mm

(d) 0.50 mm

Ans. A

34. An outside micrometer has a negative error. The correct reading  can be taken by

(a) adding the negative error in the actual reading

(b) deducting the negative error from the actual reading

(c) adding twice the negative error in the actual reading

(d) deducting twice the negative error from the actual reading

Ans. A

35. What is the zero reading of a 50 - 75 mm outside micrometer?

(a) 0.00 mm

(b) 0.01 mm

(c) 25.00 mm

(d) 50.00 mm

Ans. D

36. Which one of the following instruments is used to check the  concentricity of the outside diameter?

(a) Vernier caliper

(b) Outside micrometer

(c) Dial test indicator

(d) Dial caliper

Ans. C

37. The minimum measurement that can be correctly read with a vernier caliper is called

(a) zero reading

(b) least count

(c) main scale reading

(d) actual reading minus zero error

Ans. B

38. Metric outside micrometer has a threaded spindle with a pitch of

(a) 0.5 mm

(b) 0.25 mm

(c) 1.00 mm

(d) 1.50 mm

Ans. A

39. Zero error in micrometer means

(a) there is negligible gap between the spindle and the anvil

(b) micrometer is true

(c) zero mark on the thimble is not visible

(d) zero on thimble and datum line on sleeve do not coincide when m easuring faces are in contact

Ans. D

40. Lock nut in the micrometer is provided to

(a) control the movement of the spindle

(b) lock the reading after setting it over  the work piece

(c) measure the work piece accurately

(d) lock the micrometer when it is not in use

Ans. B

41. The value of one division on bevel edge of the thimble of a metric  outside micrometer is

(a) 0.10 mm

(b) 0.05 mm

(c) 0.02 mm

(d) 0.01 mm

Ans. D

42. If the zero graduation of the thimble division of an outside  micrometer is below the datum line, when the measuring faces of the  micrometer are in contact, the error is

(a) negative

(b) positive

(c) zero

(d) none

Ans. A

43. A depth micrometer can be used to measure wide range of sizes  because

(a) it is equipped with a number of extension rods

(b) it has a lengthy spindle

(c) it has a lengthy sleeve

(d) is has an adjustable base

Ans. A

44. In which one of the following micrometers, the graduations on  thimble and sleeve are in reverse direction to that of outside  micrometer?

(a) Inside micrometer

(b) Depth micrometer

(c) Tube micrometer

(d) Flange micrometer

Ans. B

45. The least count of a vernier outside micrometer is

(a) 0.10 mm

(b) 0.01 mm

(c) 0.001 mm

(d) 0.0001 mm

Ans. C

46. on which part of the vernier height gauge, are the main scale divisions graduated?

(a) Vernier plate

(b) Beam

(c) Fine adjusting unit

(d) Base

Ans. B

47. While measuring with vernier bevel protractor, which part is

used normally as reference surface?

(a) Stock

(b) Blade

(c) Dial

(d) Disc

Ans. A

48. On which part of the vernier bevel protractor, are the main scale

divisions graduated?

(a) Blade

(b) Disc

(c) Dial

(d) Stock

Ans. B

49. The value of each vernier scale division of vernier bevel protractor is

(a) 1°

(b) 5'

(c) 1 ° - 55'

(d) 2°

Ans. C

50. The value of each main scale division of vernier bevel protractor

is

(a) 1°

(b) 5'

(c) 1 ° - 55'

(d) 1/2°

Ans. A