# ITI Fitter Questions and Answers

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## ITI Fitter MCQ Objective Question Bank

1. Which type of rule is used for marking and measuring patterns and hot jobs handled by blacksmith:
(A) Narrow rule
(B) Shrink rule
(C) Hook rule
(D) Short rule

2. Which of the following is not the part of a combination set?
(A) Stock

3. 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
(D) Hydralic mechanism

4. To get least count 5 minute in a vernier bevel protractor, the 23° main scale are divided into:
(A) 12 equal parts on vernier scale
(B) 22 equal parts on vernier scale
(C) 24 equal parts on vernier scale
(D) 25 equal parts on vernier scale

5. The angle which is less than 90° is called as :
(A) obtuse angle
(B) acute angle
(C) right angle
(D) none of the above

6. Which one of the following instrument is used for checking large internal diameters?
(A) Small hole gauge
(B) Telescopic gauge
(C) Plug gauge
(D) Snap gauge

7. As per Indian standard a special set of slip gauge is used consisting of :
(A) 81 pieces
(B) 130 pieces
(C) 120 pieces
(D) 112 pieces

8. Which one of the following is used to rectify damaged or rusted threads?
(A) Die nut
(B) Circular split die
(C) Two-piece die
(D) Die plate

9. The, ratio between the difference in diameters of taper and its length is known as
(A) Concentricity
(B) Conicity
(C) Convexity
(D) Concavity

10. Buttress threads are most commonly used for :
(A) Transmission of motion
(B) Special bolts and units in structural work
(C) Positioning of mechanical parts
(D) Resisting force exerted in one direction only

11. A split pin is used for locking purpose in :
(A) Castle nut
(B) Square nut
(C) Check nut
(D) Flanged nut

12. While threading on lathe, the carriage is moved by means of :
(A) Feed rod
(B) Hand wheel
(D) Gear train on a rack

13. Which one of the following belt fasteners is used [or heavy duty machines?
(A) Wire ere
(B) Lagrelle type
(C) Jackson type
(D) Alligator type

14. The file card is used:
(A) to clean the file teeth
(B) to avoid file slip
(C) to clean the job
(D) to renew the teeth of files

15. Draw filing is done :
(A) to remove a file mark
(B) before using a smooth file
(C) for better finishing
(D) to file high spots

16. The bench vice spindle has :

17. What is the pitch of the screw of the spindle of the external micrometer?
(A) 0.01 mm
(B) 0.1 mm
(C) 0.5 mm
(D) 0.05 mm

18. Which of these instrument i\$ used to check the concentricity of the outside diameter?
(A) Vernier caliper
(B) Micrometer
(C) Dial gauge

19. The least count of the metric vernier caliper is :
(A) 0.02 mm
(B) 0.01 mm
(C) 0.002 mm
(D) 0.001 mm

20. To convert inches into millimeters :
(A) multiply by 25.4
(B) divide by 25.4
(C) multiply by 2.54

## Questions for ITI Jobs

Refrigeration and Air Conditioner Carpenter
Automobile Engineering Lineman
Printing Technology Wireman
Tool and Die Maker Electrician
Boiler Operator Electrical
Pump Operator Mechanic
Architectural Draftsman Surveyor
Draughtsman Civil Instrument Mechanic
Masonry Electronics Mechanic
Welder Information Technology
Fitter Computer Hardware
Turner Steel Fabricator
Plumber Electroplater

21. Trammel is used for :
(A) marking parallel lines
(B) marking very small circles
(C) marking long radi and circles
(D) none of these

22. Which angle in not to be changed while drill grinding?
(A) To take
(B) Lip clearance
(C) Point angle
(D) Helix angle

23. Percentage of carbon in pig-iron :
(A) 0.9 to 1.7%
(B) 3 to 5%
(C) 0.05 to 1.7%
(D) 1.7 to 2.1%

24. The instrument used to measure higher temperature in furnaces :
(A) Thermometer
(B) Barometer
(C) Calorimeter
(D) Pyrometer

25. The depth of a IS ‘V’ Thread should be :
(A) 0.61 P
(B) 0.64 P
(C) 0.6 P
(D) 0.62 P

26. B.S.F threads are used for :
(A) aero parts
(B) ordinary nut bolt
(C) lathe screw
(D) electrical goods

27. Thickness of a hexagonal nut is :
(A) equal to the core diameter of the bolt
(B) equal to the nominal diameter of the bolt
(C) equal to three forth diameter of the bolt
(D) equal to twice the diameter of the bolt

28. The shape of woodruf key is :
(A) rectangular without a taper
(B) square with taper
(C) round with taper
(D) half round on its profile, with an even width and thickness

29. An example of an antifriction bearing is :
(A) a footstep bearing
(B) a split hearing
(C) a roller bearing
(D) a plummer block

30. A union is used in a pipe line :
(A) to separate the connection without disturbing the unit
(B) to make a line branch at right angles
(C) to provide another channel
(D) to stop the flow of a liquid in the line

31. The device fitted on micrometer to ensure uniform pressure between the measuring faces of the micrometer while measuring :
(A) Anvil
(B) Thimble
(C) Locking device
(D) Ratchet stop

32. The process mild steel coated with zinc is called :
(A) Zinking
(B) Tinning
(C) Galvanizing
(D) None of these

33. The act of joining the slip gauges together while building up to sized :
(A) Shifting
(B) Gaughing
(C) Clamping
(D) Wringing

34. ___________ are used to protect the bolt ends, threads from damages and they also act as protectors for safe working.
(A) Knurled-nuts
(B) Cap-nuts
(C) Wing-nuts
(D) Self locking-nuts

35. ___________ is used to measure the effective diameter of screw threads.
(A) Screw pitch gauge

36. The mo:-it commonly used rivet for structural work :

37. ____________ type springs are used in manufacture of writing pad clips.
(A) Helical torsion spring
(B) Helical tension spring
(C) Conical disc spring
(D) Flat spring

38. Zinc is obtained from the ore :
(A) Pyrites
(B) Calamine
(C) Cassiterite
(D) Malachite

39. __________ is used for holding or gripping large-diameter pipes.
(A) Pipe wrench
(B) Chain wrench
(C) Strap wrench
(D) Foot print wrench

40. _________ is most suitable method for finding hardness of soft metal.
(A) Brinell hardness testing method
(B) Vicker hardness
(C) Rockwell hardness testing
(D) Shore hardness testing

41. The temperature at which the oil catches fire and continues to be in flame:
(A) Viscosity
(B) Flash point
(C) Fire point
(D) Pour point

42. Quick return mechanism adopted in :
(B) Milling machine
(C) Surface grinding machine
(D) Shaping machine

43. A Jocky pulley is fitted :
(A) near the driver pulley on the slack Ride
(B) near the driver pulley on the driving side
(C) near the driver pulley on the driving side
(D) none of these

44. The gear used in “index-head gear mechanism“ :
(A) Bevel gear
(B) Hypoid gear
(C) Rack and pinion
(D) Worm and worm gear

45. Grey cast iron has :
(A) low compression strength
(B) medium compression strength
(C) high compression strength
(D) high tensile strength

46. The distance a drill moves into the work with each revolution of the spindle is called :
(A) speed of a drill
(B) cutting speed of a drill
(C) depth of the drill
(D) feed of a drill

47. Determining taper angle using sine bar :
(A) height of slip gauge/length of sine bar
(B) length of sine bar /height of slip gauge
(C) length of sine bar x height of slip gauge
(D) none of these

48. The peen of the straight peen hammer is:
(A) bent towards the handle
(B) perpendicular to the handle
(C) angular to the handle
(D) parallel to the handle

49. A ferrule is fixed in the handle of a file :
(A) for fancy
(B) to grip the file
(C) to prevent the wooden handle from damage
(D) for the safety of the file

50. The type of chisel used for cutting grooves and key ways :
(A) flat chisel
(B) cross cut chisel
(C) round nose chisel
(D) diamond point chisel

51. The term zero error in the micrometer means :
(A) it is a true micrometer
(B) the zero mark is not visible
(C) the zero do not exactly coincide
(D) there is a negligible gap between the micrometer spindle and the anvil

52. To relieve the internal stresses, hardened tools are generally :
(A) cooled suddenly
(B) tempered
(C) annealed
(D) normalized

53. The lead of a screw thread can be calculated by the formula :
(A) 2 x pitch
(B) Depth x no. of starts
(C) Pitch x no. of starts
(D) Pitch x depth of thread

54. A fast pulley is that which :
(A) runs rapidly
(B) runs independently
(C) has ‘V’ shaped grooves
(D) is fastened to the shaft

55. An oxy-acetylene flame where oxygen has higher volume than acetylene is known as
(A) Carburizing flame
(B) Neutral flame
(C) Oxidizing flame
(D) Gas cutting flame

56. Soft metal particles that clogged in the pores of grinding wheel is called :
(A) glazing
(C) dressing
(D) truing

57. One micron is equal to
(A) 0.1 mm
(B) 0.01 mm
(C) 0.001 mm
(D) 0.0001 mm

58. Fullers are used for:
(A) necking and grooving
(B) forming the heads of rivet, bolts etc
(C) making shoulders with right angles
(D) drawing down

59. Parallel blocks are used for :
(A) marking parallel lines along an angle
(B) levelling machine tools
(C) cutting parallel keyways
(D) setting workpieces horizontal

60. The difference between the maximum limit of size and the minimum limit of size is called
(A) Upper deviation
(B) Basic aim
(C) Tolerance
(D) Actual size

61. A chemical compound of carbon with iron is called :
(A) Ferrite
(B) Pearlite
(C) Cementite
(D) austenite

62. The process of heating and cooling for changing the structure of steel for obtaining the required properties is called :
(A) Hardening
(B) normalising
(C) heal treatment
(D) tempering

63. The necessity of tack welding in a joint is to :
(A) join two pieces of plates
(B) control distortion during welding
(C) join two pieces of pipes
(D) eliminate apatters

64. The driving plates are used for:
(A) mounting fixtures with work pieces
(B) facing operations only
(C) rotating shafts between centres
(D) for internal operation only

65. If you turn the face of an irregularly shaped work piece, mount the piece :
(A) in a mandrel
(B) between centres
(C) on the face plate
(D) in a three jaw chuck

66. __________ is used for closing the edges of the plates and heads of the rivets to form a metal-to-metal joint.
(A) Caulking tool
(B) Dolly
(C) Fullering tool
(D) Soft hammer

67. ___________ is used to support head of the rivet which is already formed and also to prevent damage to the shape of the rivet head.
(A) anvil
(B) stakes
(C) dolly
(D) caulking tool

68. In standard marking of a grinding wheel ’51 – A46H6V8′. Letter ‘H’ represents :
(A) Structure
(B) Type of bond
(C) Grain size

69. To check and set the spark plug gaps and tappet clearance in an engine :
(A) feelar gauge
(B) snap gauge
(C) plug gauge
(D) inside caliper

70. The depth of the tooth space of a gear below the pitch circle is called :
(B) Dedendum
(C) centre distance
(D) crest

71. Which among the following joints is suitable for roofing work?
(A) lap joint
(B) butt joint
(C) hinged joint
(D) double grooved seam joint

72. Interchangeability is normally applied for :
(A) repairing of parts
(B) mass production
(C) single piece production
(D) all the above

73. In the BIS system of limits and fits, 25 hole deviations are specified by using :
(A) small letters
(B) small letters with numbers
(C) small letters with tolerance
(D) capital letters

74. Which one of the following abrasives is used for honing non-ferrous metals?
(A) Aluminium oxide
(B) Silicon carbide
(C) Diamond
(D) Boron carbide

75. The general ratio of soluble oil and water used as coolant is :
(A) 10 : 1
(B) 1 : 10
(C) 1 : 20
(D) 20: 1

76. While machining cast iron, the coolant used should be :
(A) dry air
(B) kerosene
(C) soluble oil
(D) soft water

77. Which one of the following reason that water is not preferred as coolant on machine tools?
(A) It decreases cutting action of the tool
(B) Danger of corrosion
(C) It has insufficient cooling effect
(D) Due to high cooling effect the cutting edges of tool break off

78. Which one of the following is used to guide the tool and hold the job in mass production?
(A) Gauge
(B) Jig
(C) Housing
(D) Fixture

79. Main alloying element in H.S.S. is :
(A) Tungsten