NCVT ITI Turner 4th Semester Question Paper : While preparing for any exam, you should look at the question paper of that exam so that you will know what type of questions were asked in this exam. So if you are preparing for ITI Turner Theory, then in this post we are giving you the 4th Semester Question Paper of ITI Turner Theory, which you can solve yourself and improve your preparation and along with it its answers are given so that you will also get its correct answer.
ITI Mechanic Motor Vehicle 2nd Semester Exam Papers
NCVT ITI Turner 4th Semester Question Paper
1. Lathe beds are made of which of the following?
• HC steel
• Cast iron
• Mild steel
• Nickel
Answer. Cast iron
2. The peen of a straight peen-hammer is?
• Angle to the handle
• In line with the handle
• Across the handle
• Inclined towards the handle
Answer. In line with the handle
3. In case of an accident, which of the following should the victim get immediately?
• Should be asked to rest
• Should be inquired about the accident
• Should be given immediate help
• Should be left in the same condition without treatment
Answer. Should be given immediate help
4. Damaged parts in assemblies obtained using limit and fit systems –
• Cannot be moved
• Are required to be scrapped
• Can be easily moved without rejecting the assembly
• Need to be manufactured with new tolerances
Answer. Can be easily moved without rejecting the assembly
5. Which of the following is used to give the depth of cut on a lathe?
• Compound slide
• Top slide
• Arranging tools
• Cross slide
Answer. Cross slide
6. A hammer with a loose handle would cause which of the following?
• Will be crashing by bouncing
• Will absorb shock
• Will swing easily
• Will give more leverage
Answer. Will be crashing by bouncing
7. What is in a lathe bed?
• One set of V’ guideways and flatways
• Two sets of V’ guideways and flatways
• Three sets of V’ guideways and flatways
• Four sets of V’ guideways and flatways
Answer. Two sets of V’ guideways and flatways
8. Does the cross slide move in a lathe?
• Parallel to the axis of rotation
• At an angle to the axis of rotation
• Vertical to the axis of rotation
• None of these
Answer. Vertical to the axis of rotation
9. Tolerance is given in part size, what is its function?
• Increasing production
• Reducing production
• Finish the components approximately
• Make the part within the expected permissible size error
Answer. Make the part within the expected permissible size error
10. Slots in angle plates are provided for which of the following?
• To adjust the bolt
• To hang with a hook
• To reduce the weight
• For aligning the work
Answer. To adjust the bolt
11. New hex blades should not be used in blind saw cuts made with old blades because –
• There is not enough space for the blade to move
• The blade is expensive
• New blades have sharp teeth
• None of the above
Answer. There is not enough space for the blade to move
12. If the cutting tool on a lathe is lowered below center height, what effective change will occur in the tool geometry?
• Front clearance angle increases
• Front clearance angle decreases
• Front clearance angle remains the same
• Front clearance angle becomes zero
Answer: Front clearance angle increases
13. Micrometer works on which of the following principles?
• Screw
• Bolt
• Stud
• Nuts and Bolts
Answer. Nuts and Bolts
14. The best way to avoid accidents is –
• Doing work in the traditional way
• Doing work in your own way
• Following safety rules related to job, machine and workplace
• Using safety equipment
Answer. Following safety rules related to job, machine and workplace
15. In BIS system of limits and fits, 25 hole deviations are marked by which of the following?
• Small Letters
• Capital Letters
• Small Letters with Tolerances
• Small Letters with Numbers
Answer. Capital Letters
16. Fine facing occurs by feeding the tool ……….
• From the centre of the job to the premises
• From the premises of the job to the centre
• A or B
• Neither A nor B
Answer. A or B
17. A micrometer has a negative error of 0.03 mm. What will be the correct reading when the micrometer measures 40.53 mm?
• 40.50 mm
• 40.56 mm
• 40.46 mm
• 40.59 mm
Answer. 40.56 mm
18. Which of the following tool angles is provided to prevent friction of the tool member with the workpiece?
• Rake angle
• Helix angle
• Clearance angle
• None of these
Answer. Clearance angle
19. Back gear mechanism cone pulley is provided in headstock, its function is?
• Reducing the spindle speed
• Increasing the spindle speed
• Reversing the spindle speed
• Transmitting power from the spindle gear to the stud gear
Answer. Reducing the spindle speed
20. Trumpler gear quadrant is used for which of the following?
• To increase the speed of the spindle
• To decrease the speed of the spindle
• To change the direction of rotation of the lead screw
• To change the direction of the spindle
Answer. To change the direction of rotation of the lead screw
21. In the Whole Basis System
• Shaft size is kept constant
• Hole size is kept constant
• Permissible tolerance is given only on end and shaft
• Allowance is given only on hole
Answer. Hole size is kept constant
22. The size of a three jaw chuck is marked by which of the following?
• By the size of each jaw
• By the thickness of each jaw
• By the diameter of the chuck body
• By the width of the chuck body
Answer. By the diameter of the chuck body
23. What is the basic unit of length according to SI unit?
• Inch
• Foot
• Centimeter
• Meter
Answer. Meter
24. ‘V’ block is used to hold round bars. It has a V groove which is usually ……….
• 30°
• 60°
• 90°
• 120°
Answer. 90°
25. In the terminology of IS system of limits, the term “tolerance” defines the difference between which of the following?
• Maximum limit and normal size
• Minimum limit and normal size
• Maximum limit and minimum limit
• Actual size and normal size
Answer. Maximum limit and minimum limit
26. Where among the following is the headstock of the lathe installed?
• At the right hand end of the lathe blade
• At the left hand end of the lathe blade
• In the middle of the lathe blade
• At the bottom of the lathe blade
Answer. At the left hand end of the lathe blade
27. What is the tooth setting in a hacksaw blade?
• Not necessary
• Necessary to reduce the friction between the blade and the workpiece
• Necessary to increase the strength of the blade
• Necessary to provide teeth in the blade
Answer. Necessary to reduce the friction between the blade and the workpiece
28. What are the grooves given along the entire length of the member of a twist drill called?
• Lips
• Flutes
• Margins
• Webs
Answer. Flutes
29. The minimum measurement that can be read well with a Vernier caliper is called?
• Zero reading
• Least count
• Main scale reading
• Actual reading less zero error
Answer: Least count
30. Which of the following statements is correct?
• Interchangeability of parts can be achieved by using a system of limits and fits
• BIS system of limits and fits does not provide the required fit
• Interface fits are always made with positive clearance
• Transition fits are always marked with negative clearance
Answer. Interchangeability of parts can be achieved by using a system of limits and fits
31. The carriage of the lathe moves?
• Parallel to the axis of rotation
• At an angle to the axis of rotation
• Vertical to the axis of rotation
• Above
Answer. Parallel to the axis of rotation
32. Steady rest figures are set to support long workpieces held in four-jaw-chucks. The fingers are arranged and set when the workpiece is
• There should be trued torque against the chuck and the work should be stationary
• There should be trued torque against the tailstock and the work should be running at low ROM
• There should be trued torque at both ends and the work should be stationary
• There should be trued torque at both ends and the work should be running at low rpm
Answer. There should be trued torque at both ends and the work should be stationary
33. A faceplate is used for turning which of the following?
• Normal shape jobs
• Abnormal shape jobs
• Flat jobs
• None of the above
Answer. Abnormal shape jobs
34. The length of a hexagon blade is measured in?
• From one end of the toothed portion to the other end
• From the center of one pin hole to the center of another pin hole
• From the edge of the blade to the edge
• From the edge of one hole to the edge of another pin hole
Answer. From the center of one pin hole to the center of another pin hole
35. Bench vice is also called parallel jaw vice. Because
• It can hold jobs with parallel sides
• It is installed parallel to the shop floor
• The width of its jaws is parallel
• Its moving jaw moves parallel to the fixed jaw
Answer. Its moving jaw moves parallel to the fixed jaw
36. The difference in measurement between machined and un-machined diameter is equal to which of the following?
• Depth of cut
• Depth of cut
• Twice the depth of cut
• None of these
Answer. Twice the depth of cut
37. Which of the following statements is correct for eccentric turning?
• In an eccentric shaft the centres of the individual diameters are displaced
• The eccentric shaft can be turned by holding it in a three-job-chuck
• The highest speed is selected for eccentric turning
• While turning an eccentric shaft, it is preferred to give greater depth of cut initially
Answer. In an eccentric shaft the centres of the individual diameters are displaced
38. A tumbler gear unit consists of which of the following?
• One gear
• Two gears
• Three gears
• Four gears
Answer. Three gears
39. The drilled hole goes off center because of?
• Improper clamping of the workpiece
• Blowholes in the workpiece
• Center punch mark not large enough to properly position the chisel edge of the drill
• Anyone of the above
Answer. Anyone of the above
40. One part of the center lathe is the tumbler gear unit. Its function is?
• Changing the direction of feed
• Transmitting motion from the feed shaft to the carriage
• Changing the direction of rotation of the work
• Changing the spindle speed
Answer. Changing the direction of feed
41. The least count of a Vernier caliper is equal to which of the following?
• Value of 1 MSD – Value of 1 VSD
• Value of 1 vSD – Value of 1 MSD
• Value of 2 MSD – Value of 1 VSD
• Value of 1 MSD + Value of 1 VSD
Answer. Value of 1 MSD – Value of 1 VSD
42. The handle of the hammer is made of?
• Hard wood
• Soft wood
• Flexible wood or bamboo
• Plastic
Answer. Flexible wood or bamboo
43. What is the steel rule?
• Marking instrument
• Precision instrument
• Checking instrument
• Direct reading measuring instrument
Answer. Direct reading measuring instrument
44. Which of the following angles of a rough turning tool depends on the selected feed rate?
• Top rake angle
• Side rake angle
• Front clearance angle
• Side clearance angle
Answer. Side clearance angle
45. What provides the reference surface during marking?
• By sketch of job
• By work piece
• By marking of table’s surface
• By surface gauge
Answer. By marking of table’s surface
46. With whose help is oil fire extinguished?
• By pouring water on it
• With a foam fire extinguisher
• With a soda acid fire extinguisher
• None of the above
Answer: By a foam fire extinguisher
47. The workpiece is chamfered to remove burrs. It is observed that the width of the chamfer is not uniform across the area beyond the chamfer on the workpiece. Which of the following is the factor responsible for this error?
• The angle of chamfering is not correct
• The chamfering tool is not set square to the axis of the work
• The work face does not move to (true)
• The overhang of the tool is too much
Answer. The work face does not move to (true)
48. What is the safe way to work?
• An effective and correct way of doing work
• An ancient way of doing work
• A way of handling work in a hurry
• A common way of doing work
Answer. An effective and correct way of doing work
49. Which of the following functions is not performed by a workpiece held between centres?
• Knurling
• Undercutting by plunging
• Thread cutting
• Parting off
Answer. Parting off
50. A 50 mm shaft is to be rough turned 42 mm in one pass. When would you check to ensure that the depth of cut is correct?
• When the tool has completed its travel
• When the tool reaches half way
• When the cut is taken at the head of the telestock
• When the troll has covered a distance more than the angular shoulder
Answer. When the troll has covered a distance more than the angular shoulder
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