ITI Mechanic Instructor Recruitment Exam Questions with Answer

Junior Instructor Draughtsman Mechanic Exam Solved Questions Part 1 and Part 2 is published in this website. you can refer answers given in the bottom of this post

1. The instrument used for drawing curved lines other than constant radius arcs are called :

(A) Compass (B) Protractor

2. The trimmed size of the sheet designation A2 is ——————— mm.

(A) 841 × 1189 (B) 420 × 594

3. In unidirectional system the dimensions are placed :

(A) Left side of the dimension fine

(B) Above the dimension lines

(D) By breaking the dimension line in the middle

4. The representative fraction is 5. The actual length is 20 mm. Find the length of the drawing :

(A) 10 cm (B) 10 mm

5. The diagonal scales are used when measurements are required in ——————— units.

(A) 1 (B) 2

6. What are the main parts of the Vernier scale?

(A) Vernier scale and secondary scale (B) Primary scale and Vernier scale

7. How many pairs of parallel lines are there in regular Hexagon?

(A) 1 (B) 2

ITI Mechanic Instructor Recruitment Exam Questions with Answer

8. A line passing through the focus and perpendicular to the directrix is called :

(A) Axis (B) Tangent

9. Which of the following is the eccentricity for hyperbola?

(A) 1 (B) 1/2

10. A Curve generated by a point on the circumference of a circle which rolls without slipping

along a fixed straight line :

(A) Involute (B) Helix

11. The front view of a point is 50 mm above the reference line and the top view is 20 mm below

the front view. The point lies in :

(A) First angle (B) Second angle

12. When a line is perpendicular to HP and parallel to VP then what figure will be projected on

HP?

(A) Point (B) Inclined line

13. State the position of a point the front view of which lies on the reference line and the top view

is 40 mm above it :

(A) 40 mm above H.P and in the V.P (B) 40 mm below H.P and in the V.P

14. If an isometric drawing is made use of isometric scale then the drawings are called :

(A) Isometric projection (B) Isometric view

15. Which method of development is employed in case of sphere?

(A) Parallel-line development (B) Radial-line development

16. What is the largest diameter of the screw thread?

(A) Core diameter (B) Pitch diameter

17. The thread angle of British Standard Witworth (BSW) threads are :

(A) 45° (B) 55°

18. Screw thread profile adopted by B.I.S.:

(A) Unified thread (B) Buttress thread

19. A double-threaded screw has a pitch of screw 2 mm. How much the screw advances if it is

made 2 revolutions?

(A) 2 mm (B) 4 mm

20. Which thread is denoted by SQ 50 × 10?

(A) Square thread with 50 mm major diameter and 10 mm pitch

(B) Square thread with 10 mm major diameter and 50 mm pitch

(D) Square thread with 50 mm minor diameter and 10 mm pitch

21. Screwed joints are :

(A) Permanent joints

(B) Temporary joints

(D) Both temporary and permanent joints

22. A fastening device having external threads on its both ends is called :

(A) Hexagonal bolt (B) Eye bolt

23. A nut in which slots are cut in a cylindrical collar provided on the top of the nut is called :

(A) Simmond’s locknut (B) Penn nut

24. If the diameter of the rivet is d, then what is the margin?

(A) 0.5 d (B) 1.5 d

25. According to arrangements of plates, which of the following is not a type of riveted joint?

(A) Single cover plate butt joint (B) Double cover plate butt joint

26. For a single riveted double strap butt joint, number of rows of rivet is :

(A) Two (B) Three

180/2023 6 A

27. Drawing showing the position of each part with respect to each other is called :

(A) Assembly drawing (B) Part drawing

28. Which of the following is not a part of Knuckle joint?

(A) Forked end (B) Taper pin

29. What does the letter “a” indicate in the fillet weld dimensioning?

(A) Cross-section (B) Longitudinal dimension

30. What is the angle of deviations provided on elbows and bends in pipe works?

(A) 90°and 45° (B) 30° and 60°

31. The difference between the size of the manufactured product and the corresponding basic

size :

(A) Deviation (B) Actual deviation

32. A dimension is stated as 25 ± 0.03 mm in a drawing. What is the tolerance?

(A) 25.03 mm (B) 24.97 mm

33. The tolerance zone of the hole and the shaft overlaps in :

(A) Clearance fit (B) Interference fit

34. In hole basis system :

(A) The size of the shaft is made constant

(B) The size of the hole is made constant

(D) Allowance is given only on the hole

35. According to Indian standards, the total number of tolerance grades are :

(A) 9 (B) 12

36. The predominent direction of tool that makes the surface pattern on the machined surface is

called :

(A) Flaw (B) Lay

37. The surface roughness on a drawing is represented by :

(A) Curves (B) Triangles

38. Roughness values 0.2 to 0.8 microns is indicated by which symbol?

(A) One triangle (B) Two triangles

39. Which of the following process give minimum surface roughness?

(A) Lapping (B) Honing

40. Drawing showing the part of a machine to be manufactured in a shop :

(A) Assembly drawing (B) Part drawing

41. Expansion of UCS is :

(A) Universal Co-ordinate System

(B) Useful Co-ordinate System

(D) Unit Co-ordinate System

42. Which of the following are draft setting commands?

(i) Snap

(ii) Grid

(iii) Limits

(iv) Ortho

(A) All of the above (B) Only (i) and (ii)

43. The function key used for object snap ON/OFF in Auto CAD is :

(A) F2 (B) F3

180/2023 8 A

44. From the following which are the options used for drawing a line?

(i) Absolute co-ordinates option

(ii) Relative co-ordinates option

(iii) Polar co-ordinates option

(A) Only (i) (B) Only (i) and (iii)

45. The maximum number of sides permitted by Auto CAD in drawing a polygon is :

(A) 1304 (B) 1204

46. Which are the modifying commands used in Auto CAD?

(i) Copy

(ii) Hatch

(iii) Mirror

(iv) Offset

(A) All of the above (B) Only (i), (ii) and (iii)

47. The command used in Auto CAD to split compound objects like polyline, block is :

(A) Explode (B) Trim

48. The command used to select a viewing direction for three-dimensional view of a drawing

specified by X, Y and Z co-ordinates is :

(A) ISOSNAP (B) VPOINT

49. The command used in Auto CAD to draw a solid by giving a thickness to object is :

(A) EXTRUDE (B) EXPAND

50. In Auto CAD text, the command “%%D” is used for representing :

(A) Diameter (B) Degree

ITI Mechanic Instructor Recruitment Exam Questions with Answer- Part 2- Click here

Answers for the all 100 ITI Mechanic Instructor Recruitment Exam Questions is listed in below image

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228 ITI Fitter,Electrician,Welder,Turner,Machinist,Instrument Mechanic,Mechanic Diesel,Carpenter and Plumber Job Vacancies UCIL Total Vacancy: 228 Uranium Corporation of India Limited (UCIL) has given an employment notification for the recruitment of Fitter, Electrician & Other vacancies. Those Candidates who are interested in the vacancy details & completed all eligibility criteria can read the notification & apply online. Other ITI Jobs you may apply. Complete Recruitment details UCIL Vacancy Details Post Name Total Fitter 80 Electrician 80 Welder [Gas & Electric] 38 Turner/Machinist 10 Instrument Mechanic 04 Mech. Diesel/ Mech. MV 10 Carpenter 03 Plumber 03 UCIL Educational Qualification Candidates Should Posses Matric/Std. X pass and ITI pass in relevant Trade UCIL Selection Process Merit. Age Limit Minimum Age Limit: 18 Years Maximum Age Limit: 25 Years Age relaxation is admissible as pe...

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