ITI Machinist Model Question Paper in English

ITI Machinist Model Question Paper in English

ITI Machinist 2nd Semester Model Paper – For candidates preparing for the ITI Machinist exam, we have provided important questions and answers below to help them prepare thoroughly for this exam.

In this post, we have included some important questions and answers from the ITI Machinist 2nd Semester Model Paper. Read these carefully as these questions have been asked in previous ITI Machinist exams and might be asked in upcoming exams. Additionally, our website offers more question papers related to this trade that can further enhance your preparation.

ITI Machinist Model Question Paper in English

1. In a lathe feed mechanism, how many gears are there in the tumbler gear?
• Two gears
• Three gears
• Four gears
• Compound gear

Answer: Two gears

2. Which planning machine has only one column?
• Pit planning machine
• Plate planning machine
• Hydraulic planning machine
• Open side planning machine

Answer: Open side planning machine

3. What is the accuracy of a Vernier height gauge in the metric system?
• 0.0002 mm
• 0.02 mm
• 0.1 mm
• 1 mm

Answer: 0.02 mm

4. Calculate the pitch diameter of a gear wheel with 36 teeth and 3 mm module?
• 12 mm
• 75 mm
• 80 mm
• 108 mm

Answer: 108 mm

5. Which of the following is used to lock the all-geared lead screw for thread cutting?
• Chuck
• Faceplate
• Spindle
• Half nut

Answer: Half nut

6. In vertical milling, the position of the spindle is?
• Vertical
• Horizontal
• Inclined
• All of the above

Answer: Vertical

7. The table of a shaper typically has?
• L-type slots
• T-type slots
• U-type slots
• I-type slots

Answer: T-type slots

8. The live center moves with?
• Headstock
• Tailstock
• Carriage
• Cross slide

Answer: Headstock

9. Which machine is preferred for pre-marked contours?
• Shaper
• Lathe
• Drilling machine
• Planer

Answer: Shaper

10. Planing machine beds are also made from?
• Forging
• Casting
• Fastening
• Fabricating

Answer: Casting

11. Which of the following is a self-holding taper type?
• Morse taper
• Brown and Sharpe taper
• Jacobs taper
• Metric steep taper

Answer: Morse taper

12. Which of the following is a general-purpose lathe?
• Speed lathe
• Engine lathe
• Bench lathe
• Tool room lathe

Answer: Engine lathe

13. The maximum angle that can be indexed in direct indexing is 10 degrees. What is the maximum number of divisions that can be indexed?
• 12
• 24
• 36
• 48

Answer: 36

14. The drive mechanism in a planer includes?
• Cam and follower drive
• Rope drive
• Direct reversible drive
• None of these

Answer: Direct reversible drive

15. Which type of lathe can accommodate various attachments?
• Speed lathe
• Engine lathe
• Bench lathe
• Tool room lathe

Answer: Engine lathe

16. Blotting is done between the wheel surface and the flange. Why are they used?
• To reduce vibration
• To protect the wheel from the atmosphere
• To ensure uniform contact with the flange
• To avoid direct contact between the flange and the grinding wheel

Answer: To ensure uniform contact with the flange

17. The center used for taper turning by the offset method is?
• Half center
• Ball center
• Revolving center
• Swivel V center

Answer: Ball center

18. The process where workpiece chips stick to the open spaces of the grinding wheel is known as?
• Wheel trimming
• Wheel sizing
• Wheel loading
• All of the above

Answer: Wheel trimming

19. The lead screw of a lathe is?
• Single start
• Double start
• Triple start
• None of these

Answer: Single start

20. Which one of the following divisions cannot be milled on the workpiece by direct indexing?
• 24, 12
• 8, 6
• 7, 5
• 3, 2

Answer: 7, 5

21. The three-jaw chuck is also known as?
• Independent chuck
• Compound chuck
• Universal chuck
• None of these

Answer: Universal chuck

22. The method of centerless grinding used for taper turning is?
• In-feed grinding
• Through-feed grinding
• End-feed grinding
• All of the above

Answer: All of the above

23. Which of the following is an advantage of up-cut milling?
• No backlash eliminator is needed
• Downward force is high during milling
• Less cutter wear
• Suitable for milling thin plates

Answer: No backlash eliminator is needed

24. Which of the following is not a drive used in planning machines?
• V-belt drive
• Hydraulic drive
• Reversible motor drive
• Open and cross belt

Answer: V-belt drive

25. If the large diameter D is 40 mm and the small diameter d is 20 mm, what will be the thread depth?
• 10 mm
• 15 mm
• 5 mm
• 12 mm

Answer: 10 mm

26. Name the milling machine where the spindle axis is generally perpendicular to the table.
• Horizontal milling machine
• Vertical milling machine
• Universal milling machine
• Special purpose milling machine

Answer: Vertical milling machine

27. Name the type of cutting tool used in planning machines.
• Multi-point cutting tool
• Single-point cutting tool
• Broaching tool
• Mounted abrasive tool

Answer: Single-point cutting tool

28. Slow spindle speed is required during?
• Facing operations on small jobs
• Turning operations on small jobs
• Thread cutting
• All of the above

Answer: Thread cutting

29. The axial movement of a screw thread in one turn is called?
• Thread pitch
• Thread lead
• Thread depth
• Thread diameter

Answer: Thread lead

30. The capacity of a lathe is expressed in terms of?
• Horsepower and chuck diameter
• Swing and distance between centers
• Bed length and spindle speed
• Tool post size and travel

Answer: Swing and distance between centers

31. In centerless grinding, the workpiece is centered?
• Below the center of the two wheels
• Above the center of the two wheels
• On the joining line of the two wheels
• None of these

Answer: Above the center of the two wheels

32. For turning hard materials with a carbide-tipped tool, what type of rake angle is provided?
• Positive rake angle
• Negative rake angle
• Zero rake angle
• Side rake angle

Answer: Negative rake angle

33. What is the principle of milling?
• The job rotates
• The cutter rotates
• The cutter moves against the rotating job
• The job moves against the rotating cutter

Answer: The job moves against the rotating cutter

34. The main function of the cross rail in a planning machine is to hold?
• Dog
• Saddle
• Housing
• Workpiece

Answer: Saddle

35. The suitable method for turning internal tapers is?
• With a form tool
• By setting over the tailstock
• With a taper turning attachment
• By rotating a compound rest

Answer: With a taper turning attachment

36. The abrasive used for grinding carbide is?
• Corundum
• Silicon carbide
• Tungsten carbide
• Aluminum oxide

Answer: Silicon carbide

37. The size of a lathe is specified by?
• Length between centers
• Swing over the bed
• Swing over the carriage
• All of the above

Answer: All of the above

38. The process of removing clogged and blunt abrasive grains from a grinding wheel is called?
• Tuning
• Glazing
• Loading
• Dressing

Answer: Dressing

39. In a planning machine, the feed is given?
• At the end of the forward stroke
• At the end of the backward stroke
• During the forward stroke
• During the backward stroke

Answer: At the end of the forward stroke

40. Which of the following is not a precaution during grinding operations?
• Never operate the grinding wheel above the recommended speed
• Never adjust the workpiece or work mounting device while the machine is running
• Always stop the machine before making adjustments
• Always use the maximum speed recommended for the wheel

Answer: Always use the maximum speed recommended for the wheel

In this post you have been given free online test related to ITI Machinist Model Paper 2024 ITI Machinist Previous Paper Iti Turner Trade Question Paper Pdf Iti Machinist Second Sem Question Paper Pdf Machinist 2nd Semester Paper Iti Machinist Solved Paper In Hindi Machinist Paper Solution Iti Machinist Theory Paper. So read them carefully. If you have any question or suggestion about these, then ask by commenting below and if you find this test useful, then definitely share it with your friends.