Iti fitter multiple choice questions precision instruments chapter

Iti fitter multiple choice questions precision instruments chapter


Iti fitter multiple choice questions precision instruments chapter important questions with answers For all types iti fitter competitive exams



1. The least count of a vernier outside micrometer is

(a) 0.10mm     (b) 0.01mm     (c) 0.001mm     (d) 0.0001mm

(c)0.001mm

2. On which part of the vernier height gauge, are the main scale division graduated

(a) vernier plate     (b) beam      (c) fine adjusting unit     (d) base

(b) beam

3. While measuring with vernier bevel protractor, which part is used normally as reference surface 

(a) stock     (b) blade     (c) dial      (d) disc

(a) stock

4. On which part of the vernier bevel protractor, are the main scale division graduated 

(a) stock     (b) blade     (c) dial     (d) disc

(d) disc

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

(a) 1°     (b) 5'     (c) 1°-55'     (d) 2°

(c) 1°-55'

6. The value of each main scale division of vernier bevel protractor is

(a) 1°     (b) 5'     (c) 1°-55'     (d) 2°

(a) 1° 

7. The least count of a universal bevel protractor is

(a) 0.5'      (b) 5'      (c) 5''     (d) 5°

(b)5'

8. The least count of a vernier depth gauge is
(a) 0.10mm     (b) 0.01mm     (c) 0.20mm     (d) 0.02mm

(d) 0.02mm

9. Vernier depth gauge is used for measuring

(a) external dimension     (b) internal dimensions     (c) step, depth of blind hole     (d) pitch diameter

(c) step, depth of blind hole


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10. The least count of vernier height gauge is

(a) 0.01mm     (b) 0.02mm     (c) 0.05mm     (d) 0.10mm

(b) 0.02mm

11. Which laying out, the vernier height gauge must be used on the

(a)  machine bed   (b) any flat surface

   (c) surface plate       (d) vee block  
(c) surface plate

12. 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

(b) height of the beam

13. While marking with a vernier height gauge, the workpiece is generally

(a) supported by an angle plate     (b) supported by another workpiece     (c) held by one hand     (d) held without support

(a) supported by an angle plate

14. The smallest inside micrometer has the graduation marked on the sleeve to a range of

(a) 10mm     (b) 12mm      (c) 13mm     (d) 25mm

(c)13mm

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

(a) obtuse angle     (b) acute angle     (c) right angle     (d) none of the above

(b) acute angle

16. In a metrric micrometer, a complete revolution of thimble advances

(a) 0.01mm     (b) 0.25mm     (c) 0.50mm     (d) 1.00mm

(c) 0.50mm

17. The least count of vernier bevel protractor is

(a) 1'     (b) 5'      (c) 10'     (d) 25'

(b)5'

18. The least count of metric micrometer is

(a) 0.01mm     (b) 0.05mm     (c) 0.10mm     (d) 0.50mm

(a) 0.01mm


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19. In which on of the following micrometer, the graduation 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

(b) depth micrometer

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

(a) it is equipped with a number of extensions rods     (b) it has a lengthy spindle     (c) it has a lengthy sleeve     (d) is has an adjustable base

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

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

(a) 0.10mm      (b) 0.05mm      (c) 0.02mm     (d) 0.01mm

(d) 0.01mm

22. The value of the smallest division on sleeve of a metric outside micrometer is

(a) 0.50mm      (b) 1.00mm     (c) 1.50mm     (d) 2.00mm

(a) 0.50mm

23. The least count of 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.

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

24. Ratchet stop in the micrometer helps to 

(a)  hold the workpiece 
    (b) adjust zero error    (c) lock the spindle       (d) control the pressure
(a) control the pressure


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25. The least count of a vernier caliper is 

(a) 0.10mm      (b) 0.01mm      (c) 0.05mm     (d) 0.02mm

(d) 0.02mm

26. 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 

(c) vernier bevel protractor

27. Micrometer work on the principal of 

(a) screw     (b) bolt     (c) stud     (d) nut & bolt

(d) nut & bolt

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

(a) 0.5mm      (b) 0.25mm     (c) 1.00mm     (d) 1.50mm

(a)0.5mm

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