Iti fitter multiple choice questions lathe chapter part 1

Iti fitter multiple choice questions lathe chapter part 1


Iti fitter multiple choice questions Lathe chapter important questions with answers For all types iti fitter competitive exams



1. The size of three jaw chuck is specified by

(a) width of the body of the chuck    (b) the diameter of the body of the chuck    (c) the thickness of each jaw      (d) the size of each jaw

(b) the diameter of the body of the chuck

2. Dead centre compared with the live centre, bears or resist

(a) equal friction   (b) non friction       (c) less friction     (d) more friction

(d) more friction

3. When the tailstock is offset for taper turning, the centre line of the tailstock is

(a) inclined with the lathe bed at an angle equal to the angle of taper required     (b) inclined with the lathe bed one half of the angle of taper required     (c) still parallel with the lathe bed     (d) either a or b

(c) still parallel with the lathe bed

4. Which one of the following controls the length of taper cut the compound slide method

(a) tailstock     (b) top slide     (c) Cross slide     (d) saddle

(b) top slide

5. For calculations of offset, we should consider

(a) total length of job     (b) length on which taper is required     (c) diameter of the job     (d) both a and b

(d) both a and b

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6. By taper turning attachment, taper can be cut on any workpiece which is held

(a) in a chuck     (b) between centres     (c) neither a or b     (d) either a or b

(d) either a or b

7. The chip breaker on a lathe tool is essential when

(a) turning hardened materials   (b) turning cast iron     (c) turning ductile materials and to break the chips    (d) turning soft material

(c) turning ductile materials and to break the chips 

8. Which one of the following is used only for for finishing and maintaining correct form of thread

(a) tap     (b) threding tool     (c) threading chaser    (d) tipped tool

(c) threading chaser

9. Lathe Machine bed is made of

(a)  high alloy steel  (b) high carbon steel    (c) cast iron     (d) mild steel

(c) cast iron

10. lathe Machine half centre is used

(a)  to face the workpiece upto the end of the centre hole  (b) to turn long workpiece    (c) because it is easy to lubricant the workpiece      (d) to support the workpiece always

(a) to face the workpiece upto the end of the centre hole

11. Mechanism of back gear is provided in cone pulley headstock to

(a) reduces the speed of spindle     (b) increase the speed of spindle     (c) reverse the speed of spindle     (d) transmit power from spindle gear to stud gear

(a) reduces the speed of spindle

12. The negative rake angle is generally provided on the tool made of

(a) high carbon steel   (b)  tungsten carbide  (c) tool steel       (d) high speed steel

(b) tungsten carbide

13. While drilling in lathe, the drill is held in the

(a) bed     (b)  compound rest  (c) tailstock       (d) headstock

(c) tailstock

14. The included angle of live centre nose is

(a) 30°     (b) 45°     (c) 60°     (d) 90°

(c) 60°

Iti fitter multiple choice questions lathe chapter important questions with answers For all types iti fitter government job exam

15. Which among the following centres is suitable when workpiece held between centres is to be turned at high speed

(a) revolving centre    (b) pipe centre     (c) half centre     (d) ball centre

(a) revolving centre

16. Which one of the following is used to hold workpiece for machining diameter concentric to its hole

(a) faceplate     (b) mandrel     (c) three jaw chuck     (d) four jaw chuck

(b) mandrel

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17. Which among the following taper turning methods is used for cutting steep taper

(a) set over method     (b) taper turning attachment     (c) form tool

(c) form tool

18. Which one of the following centres is suitable while cutting taper by set over method

(a) revolving centre    (b) ball centre      (c) half centre    (d) plain centre

(b) ball centre

19. In a gap bed lathe, the gap is provided

(a) just below the spindle of the tailstock     (b) just below the nose of the headstock spindle     (c)  anywhere in the bed   (d) in the middle of the bed

(b) just below the nose of the headstock spindle

20. Tumbler gear quadrant is used for

(a) increasing the speed of the spindle     (b) decrease the speed of the spindle     (c) changing the direction of rotation of the lead screw     (d) changing the direction of the spindle

(d) changing the direction of the spindle

21. A faceplate is held at

(a)  tool post    (b) tailstock     (c) headstock      (d) bed

(c) headstock 

22. Which one of the following tool angle is provided to avoid rubbing of the body of the tool with the workpiece

(a) helix angle    (b) clearance angle     (c) rake angle      (d) none of the above

(b) clearance angle

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23. The horizontal feed, cross feed and screw cutting movement in a lathe is controlled by

(a)  apron    (b) Cross slide    (c) tailstock      (d) headstock

(a) apron

24. The headstock of a lathe is situated at the

(a)  bottom of the lathe bed   (b) middle of the lathe bed    (c) left hand end of the lathe bed      (d) right hand end of the lathe bed

(c) left hand end of the lathe bed

25. Which one of the following is not a part of the centre lathe

(a) lead screw  (b) arbor       (c) feed rod   (d) saddle

(b) arbor

26. Which one of the following is used to hold cylindrical rough casting for turning

(a)  magnetic chuck   (b) collet chuck   (c) four jaw chuck       (d) three jaw chuck

(c) four jaw chuck

27. Which taper is used on spindle nose of the lathe head stock

(a) morse taper    (b) pin taper     (c) brown and sharp taper     (d) jarno taper

(a) morse taper

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28. An irregularly shaped workpiece is turned on a lathe. Which work holding accessories is used

(a)  faceplate   (b) driving plate   (c) two jaw chuck        (d) three jaw chuck

(a) faceplate

29. The taper provided in the nose of the tailstock barrel is

(a) morse taper     (b) jarno taper     (c) brown and sharp     (d) metric taper

(a) morse taper

30. A tool, which is used to enlarge a previously drilled hole is known as

(a)  boring tool  (b) form tool     (c) turning tool     (d) facing tool

(a) boring tool

31. Follower steady is fixed on the

(a) tailstock     (b) bed     (c) saddle     (d) headstock

(c) saddle

32. A follower steady consist of

(a) one pad     (b) two pads     (c) three pads     (d) four pads

(b) two pads

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33. While using the form 5ool method of taper turning

(a) carriage is to be locked     (b) compound rest is to be locked     (c) top slide is to be locked     (d) tailstock is to be locked

(a) carriage is to be locked

34. Which one of the following shoulders is used on component to be threaded

(a) beveled shoulder    (b)  undercut shoulder   (c) radius shoulder      (d) square shoulder

(b) undercut shoulder

35. Which among the following factors governs the selection of feed when turning a workpiece

(a) tool geometry     (b) surfaces finish required     (c) type of coolant required      (d) all of the above

(d) all of the above

36. Scroll and gear mechanism is employed in

(a) collet chuck  (b) magnetic chuck    (c) four jaw chuck      (d) three jaw chuck
(d) three jaw chuck

37. An angular workpiece is to be faced. It should be mounted

(a)  in a collet      (b) three jaw chuck    (c)  on a face plate   (d) between centres

(c) on a face plate

38. A tumbler gear unit consists of

(a) four gears  (b)  three gears    (c) two gears     (d) one gear 

(b) three gears

39. In an open side tool post

(a) single tool post is held with 3 bolts     (b) single tool is held with 1 bolts     (c) two tools are held with 3 bolt     (d) two tools are held with 1 bolt

(a) single tool post is held with 3 bolts

40. Which one of the following tool post is easy for setting the tool centre height of the tool in a lathe

(a)  universal tool post  (b)  four way tool post   (c) single screw tool post      (d) open side tool post

(a) universal tool post

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41. Which one of the following materials is used for manufacturing centre drills

(a)  cast iron  (b) high speed steel     (c) mild steel     (d) cast steel

(b) high speed steel

42. Which one of the following taper is used for making shank of lathe centre

(a) morse standard taper     (b) brown and Sharpe taper     (c) jarno taper     (d) non standard taper

(a) morse standard taper

43. Which one of the following on a lathe is used to give depth of cut

(a) Cross slide    (b)  by adjusting the tool    (c) top slide     (d) compound slide

(a) Cross slide

44. The sliding surface of the lathe bed are

(a) flame hardened     (b) case hardened     (c) normalised     (d) tempered

(a) flame hardened

45. Which one of the following types of chips is found while turning cast iron

(a) long curly chips     (b) segmental chips     (c) i shaped chips     (d) spiral chips

(b) segmental chips


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