Turner Theory Previous Year Question Paper
Every year students prepare for the Turner Theory Exam and appear for it, but not every student is able to pass this exam because he is not able to prepare properly at the right time. So the student who is preparing for the Turner Theory Exam. For him, many tests have been given on our website, by solving which he can prepare himself. In today’s post also, you have been given some important questions asked in the Turner Theory exam and their answers in the form of 1 mock test, by solving which you can improve your preparation.
ITI Turner Theory Online Mock Test In English
1. Which of the following methods makes gears by generating process?
• Hobbing
• Casting
• Punching
• Milling
Answer. Hobbing
2. Which of the following standard tapers are given in lathe centre?
• Morse
• British
• Metric
• Brown and Sharpe
Answer: Morse
3. Face plate is used for …
• To hold finish job
• To support the job
• To hold round jobs
• To hold irregular jobs
Answer. To hold irregular jobs
4. In which type of joints molten lead is used?
• Flanged joints
• Collar joints
• Expansion joints
• Socket and spigot joints
Answer. Socket and spigot joints
5. Find the tap drill size for 1/4 inch BSW tap :
• 6/32 inch
• 5/32 inch
• 3/32 inch
• 4/32 inch
Answer. 6/32 inch
6. The property by which one substance can cut another is called its relative
• stiffness
• hardness
• ductility
• tensile strength
Answer. Hardness
7. In a lathe machine, what does the chuck hold?
• Tool
• Job
• Tool or Job
• None of the above
Answer: Job
8. Feed rate in milling operation is represented by:
• mm/tooth
• m/min
• mm
• mm/rpm
Answer: mm/tooth
9. Tape Punch 1“It is a wide paper tape made of…….”
• Paper-Mylar
• Aluminum Mylar
• Plastic
• All of the above
Answer. All of the above
10. ………… a linear measuring instrument
• steel foot
• sign bar
• spirit label
• beveled moon
Answer. Steel footer
11. In BIS system, 18 categories of basic tolerances are displayed.
• IT01, ITO,…..IT16
• ITI,……..IT18
• ITO, IT1, ……. IT17
• IT-1, ITO, IT1,………, IT16
Answer. IT01, ITO,…..IT16
12. What is used for angle cut and small or less taper?
• Saddle
• Compound rest
• Cross slide
• Apron
Answer. Compound rest
13. The thickness of gear teeth is measured?
• Along the fundamental circle
• Along the pitch circle
• Along the outer circle
• Averagely over the profile
Answer. Along the pitch circle
14. The point at which the measurement of ‘X’, ‘Y’ and Z coordinates is zero is called……?
• Reference mark
• Work zero
• Co-ordinate point
• All of the above
Answer. All of the above
15. In which of the following operations single point cutting tool is used?
• Milling
• Turning
• Drilling
• Tapping
Answer. Turning
16. Case Hardening of Steel
• Improves surface finish
• Case Hardening is done on the steel and on the surface or case of steel by proper heat treatment
• It saturates the expansion of carbon and nitrogen above the critical temperature of steel when heated
• It is the saturation of the surface of steel with any element through a high temperature case.
Answer. Case Hardening is done on the steel and on the surface or case of steel by proper heat treatment
17. The process of improving the cutting effect of a grinding wheel is called?
• Dressing work
• Turning work
• Cutting work
• Facing work
Answer. Dressing work
18. A grinding wheel in good condition makes?
• Flat sound
• Dull sound
• Ringing sound
• Relentless sound
Answer. Ringing sound
19. Which of the following is not contained in a manual?
• Basic information
• Directional details
• Common defects
• Factory laws
Answer. Factory laws
20. The difference in size of mating parts is called?
• Fit
• Limit
• Tolerance
• Allowance
Answer. Allowance
21. A tool post in which the center height of the tool is easily set.
• Universal tool post
• Open side tool post
• 4-way tool post
• Single screw tool post
Answer. Universal tool post
22. What is the material of feeler gauge?
• High speed steel
• High carbon steel
• Mild steel
• Stainless steel
Answer. Stainless steel
23. Which of the following is a production tool that holds and holds the work in place during an operation?
• Jig
• Guide pillars
• Guide buses
• Fixture
Answer. Fixture
24. Which type of bolt fits in a rectangular slot?
• Square bolt
• Hexagonal bolt
• T-bolt
• Hook bolt
Answer. Square bolt
25. In large scale production the tool is guided by?
• Stationary
• Guidance rod
• Jig
• Die
Answer. Jig
26. Operations that involve milling two sides of a workpiece simultaneously:
• Gang milling
• Climb milling
• Square milling
• Straddle milling
Answer: Straddle milling
27. Which instrument is used for photography of the Sun?
• Galvanometer
• Potentiometer
• Spectrophotometer
• Spectroheliograph
Answer. Spectroheliograph
28. The device in which the workpiece is held, supported and directed and also guides the cutting tool?
• Guide pillar
• Guide bush
• Fixer
• Jig
Answer. Jig
29. Suitable fluxes for soldering mild steel, brass, copper and tin plates are:
• Hydrochloric acid
• Zinc chloride
• Ammonium chloride
• Olive oil
Answer: Zinc chloride
30. Which of the following is a type of clearance fit?
• Push fit
• Tight fit
• Force fit
• Slide fit
Answer. Slide fit
31. Hacksaw blade is made of which of the following?
• Low carbon steel
• High speed steel
• Cast iron
• High carbon high chromium steel
Answer. High speed steel
32. The surface speed of vitrified bond wheel is?
• 1990 RPM
• 2090 RPM
• 1530 RPM
• 2100 RPM
Answer. 1990 RPM
33. Followers are in steady.
• 4 pads
• 3 pads
• 2 pads
• 9 pads
Answer. 2 pads
34. What are the reasons for blade breakage?
• Applying too much pressure on the hacksaw
• Not using coolant
• Using a new blade on an old cut
• All of the
above Answer. All of the above
35. Half nut is attached to?
• Milling machine
• Locking mechanism
• Jigs and fixtures
• Shred cutting on lathe
Answer. Shred cutting on lathe
36. For orientation the workpiece is held in a vertical position. For this purpose it is screwed into?
• A surface plate
• An angled plate
• A V-block
• A machine bed
Answer. An angled plate
37. The purpose of holes in sine bar is?
• For beauty
• To reduce weight
• To clamp the work piece
• All of the above
Answer. To clamp the work piece
38. 18.3 Expressing a dimension in the form of +0.0, – 0.1 mm refers to?
• Unilateral tolerance
• Bilateral tolerance
• Limiting dimension
• None of the above
Answer: Unilateral tolerance
39. Which of the following terms is related to taper?
• Know
• Morse
• Brown and Sharpe
• All of the above
Answer. All of the above
40. Which of the following is used to guide the tool and hold the job tightly in mass production?
• Template
• Housing
• Jig
• Fixture
Answer. Jig
41. N.C. मशीनों का अर्थ है?
• Natural Control Machines
• Pneumatic Control Machines
• Numerical Control Machines
• No. Comand Machines
Answer. Numerical Control Machines
42. Which type of shred is used on the lead screw of lathe?
• Square
• Copy
• BSP
• Acme
Answer: Acme
43. In which cutting machine, the rotational motion of the motor is converted into linear motion by a Frank mechanism?
• Circular Saw
• Horizontal Band Saw
• Contour Saw
• Power Hacks
Answer. Power Hacks
44. CNC machine has …….?
• Lead screw
• Ball lead screw
• Both of the above
• Neither of the above
Answer. Ball lead screw
45. The jig which does not have a base plate?
• Box Jig
• Trainium Jig
• Plate Jig
• Latch Jig
Answer. Plate Jig
46. Face plate is used.
• To hold round jobs
• To hold finished jobs
• To hold irregular jobs
• To hold hollow jobs
Answer. To hold irregular jobs
47. What is put between shaft and pulley to prevent slipping?
• Bolt
• Key
• Stud
• Screw
Answer. Key
48. Austempering is a process of.
• Tempering
• Hardening
• Annealing
• Normalizing
Answer. Hardening
49. Find the type of file which cuts the material quickly?
• Double cut
• Single cut
• Second cut
• Rub cut
Answer. Double cut
50. What is the packing placed between two metal surfaces to make the joint airtight, pressure proof, watertight etc. called?
• Joint sheet
• Gasket
• Belt
• Washer
Answer. Gasket
51. The thickness range of anvil is.
• 20 to 25 mm.
• 15 to 20 mm.
• 21 to 26 mm.
• 25 to 30 mm.
Answer. 20 to 25 mm.
52. The least count of a dial caliper is ………… mm in the metric system.
• 0.01
• 0.001
• 0.02
• 0.002
Answer. 0.01
53. Which of the following is incorrect about copper?
• Its melting point is 1100 degree Celsius
• Its tensile strength is 4.5 megatons
• Pyrite is its ore
• It is used in die casting
Answer. It is used in die casting
54. For which of the following lathe operations it is necessary that the cutting edge of the tool be positioned exactly above the centre line of the work?
• Boring
• Drilling
• Facing
• Turning
Answer. Facing
55. The taper of the internal end cap can be measured with the help of which of the following?
• Sine bar
• Combination set
• Slip gauge and standard size balls
• Dial gauge
Answer. Slip gauge and standard size balls
56. The part of the tool where the cutting edge is formed is called?
• Flank
• Shank
• Face
• Nose
Answer. Nose
57. The springs used in motorcycle washers are:
• Wire spring
• Flat spring
• Helical compression spring
• Helical torsion spring
Answer: Helical compression spring
58. During turning the speed of the job is four times more than that of…………..
• Grooving
• Knurling
• Facing
• None of these
Answer. Knurling
59. What are the characteristics of silicon carbide?
• Hard and brittle
• Soft and leathery
• Very hard
• None of the above
Answer. Hard and brittle
60. In quarter twist drive
• Both pulleys rotate in same direction
• Both pulleys rotate in different direction
• One rotates horizontally and other vertically
• All of the above
Answer. One rotates horizontally and other vertically
61. Point-to-point positioning system consists of…….?
• Open loop control system
• Closed loop controlled system
• Both of the above
• None of the above
Answer. Closed loop controlled system
62. A divider is not used for.
• To transfer dimensions
• To draw a circle
• To draw a general layout circle
• To measure the distance between two points
Answer. To transfer dimensions
63. The specific gravity of steel as compared to aluminium is:
• Higher
• Lower
• Equal
• Varies with the weight of the particular element
Answer: Higher
64. The maximum hardness of high speed steel is achieved by?
• By tempering at low temperature
• By tempering at medium temperature
• By tempering at high temperature
• None of these
Answer. By tempering at high temperature
65. ISO metric fine thread is stated as M12 x 1.25. What does 1.25 represent?
• Thread diameter in mm
• Thread radius in mm
• Thread spacing in mm
• Thread depth in mm
Answer. Thread spacing in mm
66. Square file is used for filing?
• Circular job
• Flat shape job
• Triangle shape job
• Square job
Answer: Square job
67. The first aid for snake bite is….
• Pour water on the wound
• Apply antiseptic on the wound
• Tie a cloth on the wound and cut the wound to let the blood flow out
• Rub the wound
Answer. Tie a cloth on the wound and cut the wound to let the blood flow out
68. In Smith’s Ironwork, Tweer means?
• Air supply
• Control of air supply
• Fuel supply
• Smoke collection
Answer. Air supply
69. The process in which steel is heated to a suitable temperature depending upon its carbon content and kept for a sufficient time and then slowly cooled to room temperature is called?
• Normalisation
• Hardening
• Tempering
• Annealing
Answer. Annealing
70. The reading precision of Engineers Steel Rule is……..?
• 1.0mm
• 0.5mm
• 1.5mm
• 2.0mm
Answer. 0.5mm
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