ITI Turner Questions and Answers

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ITI Turner Questions and Answers

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Model Question Papers for ITI Turner Questions

1. Fillet gauges are available in standard radii from
(A) 1.55mm to 12mm
(B) 1mm to 2mm
(C) 2.5 mm to 3.5 mm
(D) 3.5 mm to 4 mm

2. The cutting edges need to be honed with special grinding stricks called
(A) Oxide grinding wheel
(B) Honing sirick
(C) Aluminium Oxide wheel
(D) Carbide grinding strick

3. Form tools have a much longer cutting edge than
(A) Special turning tool
(B) Facing tool
(C) Ordinary turning tool
(D) Turning tool

4. This method of marking is used on odd shaped job
(A) Datum line method
(B) Marking by template
(C) Centre line method
(D) Marking of centre on round

5. Made of a surface plate
(A) Cast iron
(B) Cast steel
(C) High carbon steel
(D) Mild steel

6. The marking table provides a
(A) Reference plane
(B) Surface plane
(C) Marking plane
(D) Marking out

7. Angle of a prick punch
(A) 15° to 30°
(B) 40° to 45°
(C) 30° to 60°
(D) 25° to 30°

8. Scriber points are very
(A) Multi-point
(B) Single point
(C) Sharp point
(D) Knurled point

9. The hermaphrodite caliper is generally used to locate
(A) Centre of a round job
(B) Edge of a round job
(C) Width of a round job
(D) Point of a round job

10. Ball screw is primarily employed in feed mechanism of
(A) Capstan lathe
(B) Bench lathe
(C) CNC lathe
(D) NC lathe

11. Pitch diameter of threads is equal to
(A) minor diameter-2 depth
(B) major diameter-2 depth
(C) minor diameter-1 depth
(D) major diameter-1 depth

12. The grade of accuracy of manufacture represented by number symbols both for hole and shaft ranging from
(A) 1T00 to 1T18
(B) 1T01 to 1T18
(C) 1T00 to 1T16
(D) 1TO1 to 1T16

13. The algebraic difference between a size and the corresponding size is called
(A) Tolerance
(B) actual size
(C) deviation
(D) minimum size

14. Recommended point angle for drilling while cast iron is
(A) 118°
(B) 125°
(C) 100°
(D) 150°

15. An abrasive wheel is marked A16P 5V, BE, where 16 indicates
(A) Structure
(B) grain size
(C) grade of bond
(D) m code

16. The least count of a metric outside micrometer is
(A) 00.01 mm
(B) 0.002 mm
(C) 0.001 mm
(D) 0.01 mm

17. Rolling mill micrometer is also used for other measurements which require a
(A) slide over the job
(B) different ranges
(C) deep throat to centre
(D) easily read

18. Accuracy of a dial clipper
(A) 0.002 mm
(B) 0.01 mm
(C) 0.001 mm to 0.002 mm
(D) 0.02 mm

19. Dial test indicator is consist of
(A) Cutter
(B) Plunger
(C) Miner
(D) hammer

20. Use of a tool maker microscope
(A) to measure angle
(B) to measure edges
(C) to measure flatness
(D) to measure the corner

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. Accuracy of a vernier bevel protractor of
(A) 0.002 mm
(B) 5 minutes
(C) 5 mm to 10 mm
(D) 5 minutes to 6°

22. Random errors are also called as
(A) known errors
(B) known systematic errors
(C) systematic errors
(D) accidental errors

23. A plug gauge is made of
(A) alloy steel
(B) mild steel
(C) hardened steel
(D) cast steel

24. Use of a telescopic gauge
(A) inside slots of holes
(B) comer side of a hole
(C) outside hole
(D) depth of hole

25. Very common sine bar is a
(A) 250 mm
(B) 150 mm to 200 mm
(C) 100mm
(D) 50 mm to 10 mm

26. Limit depth gauge is made of
(A) cast iron
(B) mild steel
(C) plate
(D) aluminium plate

27. Measuring instrument of a chordal thickness of the teeth
(A) venier caliper
(B) vernier tooth gauge
(C) outside micro meter
(D) slip gauge

28. The principle of the sine bar is as
(A) sin A = P/H
(B) sin AB = H/P
(C) sin H = P/H
(D) sin A = H/P

29. The most commonly used slip gauge is a set of
(A) 92 pieces
(B) 83 pieces
(C) 86 pieces
(D) 81 pieces

30. Single cut files are used for filing
(A) hard metal
(B) soft metal
(C) tempered metal
(D) ductile metal

31. Warding file is useful for cutting is
(A) Grooves
(B) narrow slots
(C) sale edge
(D) corner stand slots

32. While filing clogging of teeth by chips is known as
(A) taper of tile
(B) pitch of file
(C) pinning of file
(D) stroke of file

33. The average speed for filing strokes per minute
(A) 10 to 60 strokes
(B) 15 to 50 strokes
(C) 40 to 45 strokes
(D) 40 to 60 strokes

34. Oil tube drill is used for
(A) centre drilling
(B) deep hole drilling
(C) core drilling
(D) flat drilling

35. Cutting speed of alloy steel
(A) 10-20m/min
(B) 6-8m/min
(C) 5-8m/min
(D) 4-8 m/min

36. These are the open-coiled helical spring is called
(A) leaf springs
(B) open-ended helical compression spring
(C) helical compression spring
(D) wire spring

37. Phenolic resins are used as thermo setting adhesives to join
(A) resistant to oil
(B) glass to metal
(C) water and solvent
(D) oil to water

38. How many type of belt drives?
(A) three types
(B) four types
(C) two types
(D) one type

39. This fastener is suitable for belts which are used on heavy duty machine which type
(A) Wire type
(B) Lagrelle type
(C) Jackson type
(D) Creseen type

40. Helical gear its form is cylindrical but teeth are
(A) spur gear
(B) helical gear
(C) spiral formation
(D) parallel formation

41. This type of ‘cam’ the follower moves in the grove of cam
(A) grooved plate cam
(B) wire cam
(C) radical cam
(D) cylindrical cam

42. These alloys are suitable for heavy duty bearing
(A) cadmium base alloys
(B) white metal
(C) aluminium base metal
(D) copper head alloy

43. In standard system of limits and fits
(A) allowance
(B) hole basis system
(C) shaft basis system
(D) negative allowance

44. The clearance is not sufficient to allow the shaft to rotate
(A) push fit
(B) tight fit
(C) wringing tit
(D) force fit

45. Symbols for direction of lay multi-directional
(A) D
(B) m
(C) Dm
(D) Lm

46. A final finishing operation is
(A) lapping
(B) filing
(C) chipping
(D) homing

47. Sheardizing process is done by using
(A) zinc powder
(B) bronze and steel
(C) aluminium
(D) nickel

48. Viscosity is the basic quality of friction
(A) water
(B) flash
(C) torced
(D) oil

49. Repair complexity was well understood that the amount of work and the complexity of
(A) maintenance
(B) involved in machine
(C) requirement
(D) repair

50. This is a box type jig having simplest form
(A) leaf jig
(B) angle plate jig
(C) plate jig
(D) channel jig

51. Vice-jaw fixture is generally used for machining
(A) small job
(B) large metal
(C) machining the job
(D) making the job

52. Melting point of tin
(A) 232°c
(B) 226°c
(C) 216°c
(D) 420°c

53. The weight of Indian standard aluminium sections are based on density of
(A) 2.8 gf/cm3
(B) 2.5 gf/cm3
(C) 2.6 gf/cm3
(D) 2.7 gf/cm3

54. The tester use a round ball that is forced into the work surface
(A) Brinell
(B) Rockwell
(C) Vickers
(D) Impression

55. The accuracy of the lathe depends on the accuracy of
(A) the carriage
(B) compound slide
(C) tail stock
(D) bed ways

56. Tongs are made of
(A) various metals
(B) mild steel
(C) carbon steel
(D) tool steel

57. The compound rest base graduated in
(A) cm
(B) mm
(C) meter
(D) degrees

58. The standard solid mandrel is ground taper of
(A) 4:200
(B) 3:200
(C) 1:2000
(D) 2:2000

59. Bar ending tool holder is used for finishing the end of
(A) bolt
(B) holder
(C) internal threads
(D) rollers

60. An oily floor should be cleaned by:
(A) Cotton waste
(B) Putting water
(C) Putting saw duet or sand
(D) Spraying carbon dioxide ‘

61. The file used for trimming the rough edges of soft metal costing.
(A) Bastard file
(B) Rasp file
(C) Rough file
(D) Second cut file

62. The cutting angle for chipping mild steel is:
(A) 65°
(B) 55°
(C) 45°
(D) 60°

63. The box nut of bench vice is made of :
(A) Mild steel
(B) Phoapharous bronze
(C) Gun metal
(D) Alloy steel

64. The point angle of drill depends on:
(A) Drill materials
(B) The size of drill
(C) Work materials
(D) The R.P.M and feed of the work

65. The distance, which the cutting edge of a tool passes over the material in a minute while machining, is known as:
(B) Feed
(C) Machine speed
(D) Cutting speed

66. The suitable cutting fluid for drilling mild steel in a centre lathe is:
(A) Distilled water
(B) Synthetic soluble oil
(C) Soluble oil
(D) Mineral oil

67. The process of enlarging the end of hole for accommodating the socket screw head:
(A) Counter boring
(B) Counter sinking
(C) Spot facing
(D) Step boring

68. Calculate the tapping hole sine for a M10 x 1.5 precision screw thread:
(A) 8.2
(B) 8.5
(C) 10
(D) 9.2

69. The purpose of rake angle is :
(A) To prevent the flank of the tool rubbing with the work piece
(B) To increase the tool life
(C) To prevent tool from jamming
(D) To guide the chip away and avoid clogging

70. The main advantage of orthogonal cutting is:
(A) It distributed load on larger area
(B) It is suitable for rough turning
(C) More depth of cut can given
(D) Suitable for finish turning

71. The most important quality of any cutting fluid is:
(A) Emulsification
(B) Specific gravity
(C) Viscosity
(D) Adhesiveness

72. A M.S round 30 mm dis. and 100 mm length has to be turned 25 mm din. in one cut for full length r.p.m and feed rate is 200 and 0.2 mm respectively, turning time is:
(A) 2.5 minutes
(B) 2minutes
(C) 5 minutes
(D) 5.5 minutes

73. Lathe bed are made out of:
(A) White cast iron
(B) Alloy steel
(C) Grey cast iron
(D) General purpose steel

74. The centre drill size is selected on the basis of:
(A) Length of work
(B) Diameter of work
(C) Type of operation
(D) Material of the work

75. Running the drill too fast, result in :
(A) Rough hole
(B) Over sized hole
(C) Spoiling the cutting edge
(D) Poor surface finish

76. The included angle of vee groove in ‘V’ block is:
(A) 45°
(B) 129°
(C) 90°
(D) 60°

77. Which of the following is NOT the part of combination set?
(A) Centre head
(B) Swivell Head
(C) Rule
(D) Protractor head

78. When the taper shank of the drill is larger than the tailstock spindle bore. the device to hold the drill is?
(A) Drill socket
(B) Drill drift
(C) Drill sleeve
(D) Drill chuck and key

79. For a hole Ф 10 mm, the reaming allowance should be about:
(A) 0.2mm
(B) 0.4 mm
(C) 2 mm
(D) 0.6 mm

80. The tail stock offset method of taper turning amount of offset may be measured:
(A) Using micrometer caliper with offset gauge
(B) Vernier depth gauge and steel rule
(C) Steel rule measure the distance between dead centre and tool
(D) Using cross slide graduated collar and feeler gauge

81. The property of metal by virtue of which it offers resistance of abrasion, indentation or wear is known as:
(A) Hardness
(B) Malleability
(C) Toughness
(D) Ductility

82. The least count of vernier bevel protractor is:
(A) 0.5’
(B) 5’
(C) 5’’
(D) 0.5°

83. For grinding carbide materials:
(A) Aluminium oxide wheel is used
(B) Diamond wheel is used
(C) Carundum wheel is used
(D) Silicon carbide wheel is used

84. A grinding wheel is marked 51 A 46 K 5VBE. What does 5 denote:
(A) Kind of abrasive
(B) Structure
(C) Kind of bond
(D) Grain size

85. The teeth of hacksaw blade are set to:
(A) Provide clearance for blade
(B) Prevent jamming and breakage of blade
(C) The cut is to be broader than the—thickness of the saw blade
(D) All of above

86. The pitch of 3-start thread is lead divided by:
(A) 1
(B) 3
(C) 9
(D) 6

87. Which of following rearmer particularly suitable for reaming holes having key way groove
(A) Pilot reamer
(B) Taper reamer
(C) Helical reamer
(D) Straight fluted reamer

88. The effect of using glazed or loaded wheel is:
(A) Poor surface finish
(B) More heat generated
(C) Excessive cutting pressure between the wheel face and work surface
(D) All of above

89. Screw threads are produced without metal removing by a process called:
(A) Thread chasing
(B) Thread rolling
(C) Tapping
(D) Thread grinding

90. Buttress threads are most commonly used for :
(A) Resisting force exerted in one direction
(B) Special bolt and nut in structural work
(C) Transmission of motion
(D) By lift heavy load

91. In hole basis system:
(A) The size of the shaft is made constant
(B) The size of the hole is made constant
(C) The permissible tolerance are given on the hole and shaft
(D) Only allowance is given on hole

92. The pattern of the work surface caused by movement of cutting tool is known as :
(A) Waviness
(B) Roughness
(C) Roughness spacing
(D) Surface texture

93. Which one of following indicates the Ra value:
(A) 0.001 mm
(B) 0.00001 mm
(C) 0.0001 mm
(D) 0.01 mm

94. Lathe mandrels can be termed as:
(A) Jig
(B) Gauge
(C) Fixure
(D) Template

95. Jig is device which:
(A) Locate the work piece
(B) Guide the cutting tool
(C) Hold and supports the work piece
(D) All of above

96. Cast iron is used for manufacturing machine beds because:
(A) It is harder and brittle metals
(B) It can resist more compressive stress
(C) It is heavy in weight
(D) It is cheaper metal

97. Galvanized iron is coated with:
(A) Zinc
(B) Copper
(C) Tin
(D) Lead

98. Bronze is an alloy of
(A) Copper and tin
(B) Copper and zinc
(C) Copper and lead
(D) Lead and tin

99. Which one of the following is physical property of metal?
(A) Corrosiveness
(B) Malleability
(C) Ductility
(D) Fusibility

100. Liquid carburising is done in heated salt bath which one of following NOT a carburising salt:
(A) Sodium carbonate
(B) Sodium sulphate
(C) Barium choloride
(D) Sodium cynide

101. Lead is a metal used for balancing weight during lathe face plate works the reason for this is that lead is:
(A) Most toughest
(B) Heaviest
(C) Most elastic
(D) Most ductile

102. Which one of following metal has less carbon content:
(A) Wrought iron
(B) Cast iron
(C) Mild steel
(D) Pig iron

103. Annealing is a process of heating the steel above upper critical temperature and cool it:
(A) Atmospheric air
(B) Quenching in oil
(C) Covered with dry ash or dry lime
(D) Quenching in casustic soda

104. Centre line of the contact rollers and datum surface of the sine bar are:
(A) Parallel
(B) Perpendicular
(C) Inclined
(D) Same line

105. In a vernier micrometer, vernier scale is graduated on:
(A) Thimble
(B) Frame
(C) Spindle
(D) Barrel

106. Which instrument is used for checking the inside size of slots or holes:
(A) Comparator gauge
(B) Snap gauge
(C) Ring gauge
(D) Telescopic gauge

107. In which one of the following standard tapers, it is easy to determine the taper dimensions when the specification is given in number:
(A) Jarno taper
(B) Morse taper
(C) Metric taper
(D) Brown and sharpe taper

108. In a multi start thread, the axial advancement of bolt in to the nut for each revolution of the bolt;
(A) Root
(B) Lead
(C) Crest
(D) Pitch

109. A capstan lathe meant for bur work has a bur feed mechanism and a hollow main spindle. The hollow main spindle has a provision to mount:
(A) For Jaw chuck
(B) Self centering chuck
(C) Collect chuck
(D) Combination chuck

110. Which taper is used on spindle nose of the lathe head stock?
(A) Brown and sharpe taper
(B) Morse taper
(C) Jarno taper
(D) Pin taper

111. C.N.C lathe machines have built in co-ordinates measuring system. the zero position of this co-ordination system is called:
(A) Work zero point
(B) Machine zero point
(C) Reference point
(D) Program zero point

112. Which one of following factors will NOT influence the selection of cutting speed?
(A) Work material
(B) Operation to be performed
(C) Tool material
(D) Diameter of work piece

113. Taper turning by using compound slide method can cause the following defect?
(A) Chatter
(B) Steep taper can’t produced
(C) Internal taper can’t produced
(D) Poor surface finish

114. Tool makers buttons are used for:
(A) Setting the tool correct centre height
(B) Aligning the work piece for boring to given datum
(C) Adjusting the slacknesa in guid ways of cross-slide
(D) Holding the work piece and Guiding the tool

115. When using taper turning attachment, the depth of cut given by?
(A) Compound slide
(B) Cross – slide
(C) Tail stock
(D) Adjusting tool

116. A follower steady consists of:
(A) One pad
(B) Four pad
(C) Three pad
(D) Two pad

117. While using the form tool method of taper turning:
(A) Carriage to be locked
(B) Cross slide to be locked
(C) Top slide to be locked
(D) Tail stock to be locked

118. Which among the following centre is suitable when work piece held between centres to be turned at high speed?
(A) Tipped centre
(B) Ball centre
(C) Revolving centre
(D) Insert-type centre:

119. The hand of the thread that is being cut is determined by the rotation of the:
(A) Main motor
(B) Main spindle
(C) Feed shaft
(D) lead screw

120. The taper ratio of standard metric self holding taper is:
(A) 1:20
(B) 1:25
(C) 1:30
(D) 1:50

121. Which one of the following ferrous metal can’t be melted into a liquid state?
(A) Steel
(B) Wrought Iron
(C) Cast iron
(D) Pig Iron

122. The filler metal used during brazing is an alloy of:
(A) Copper and zinc
(B) Copper and tin
(C) Lead and copper
(D) Zinc and lead

123. Which one of the following mechanical properties is most essential for the metals to undergo forging operation?
(A) Elasticity
(B) Tanacity
(C) Plasticity
(D) Fusibility

124. Which among the following will have least coefficient of expansion?
(A) Tungsten
(B) Cromium
(C) Vanadium
(D) Nickel

125. Which one of the following properties increase when the property of hardness of metal is increased?
(A) Brittleness
(B) Toughness
(C) Malleability
(D) Tanacity

126. Which one of the following is used for gas carburising?
(A) Hydrogen
(B) Methane
(C) Oxygen
(D) Accetylene

127. Which one of the following tool material is used to make forged turning tool to work at low cutting speeds?
(A) High speed steel
(B) Tungsten carbide tool
(C) High carbon steel
(D) Stellite

128. Which one of the following work materials need carbide tools with chip breakers for rough turning?
(A) Cast Iron
(B) Bronze
(C) Mild steel
(D) High tensile brass

129. A lathe half centre is used to:
(A) To turn long work piece
(B) To turn taper turning
(C) For general purpose
(D) To face the work piece up to end of centre hole

130. The width of tool used to cut 10 mm pitch square thread is:
(A) 10 mm
(B) 2.5 mm
(C) 5 mm
(D) 20 mm

131. Heat treatment of metal is necessary:
(A) To make good appearance of component
(B) To make the metal rust – proof
(C) To increase strength of metal
(D) To produce certain desired properties

132. The measured size of dimension of component is culled:
(A) Basic size
(B) Normal size
(C) Allowed size
(D) Actual aim

133. A follower study is held on the:
(A) Lathe bed
(B) Lathe carriage
(C) Tail stock
(D) Lathe spindle

134. A taper ring gauge is used for checking:
(A) External taper
(B) Internal taper
(C) External thread
(D) Internal thread

135. The number of threads per inch can he checked with a:
(A) Screw thread micrometer
(B) Screw pitch gauge
(C) Metric steel rule by counting
(D) Centre gauge

136. Which thread are used in lathe lead screw?
(A) Square thread
(B) Acme thread
(C) Buttress thread
(D) Worm thread

137. Zero error in micrometer means:
(A) Micrometer is true
(B) There in gap between the spindle and anvil
(C) Zero mark on the thimble not visible
(D) Zero on thimble and datum line on sleeve do not coincide when measuring faces are in contact