ITI Machinist 1st Year CBT Exam Practice Paper 5

December 13, 2024 ITI Exam

ITI Exam की बेहतर तैयारी के लिये मशीनिस्ट ट्रेड का ITI Machinist 1st Year CBT Exam Practice Paper तैयार किया गया है जिसमे आपको 50 प्रश्‍न दिए जायेंगे और ITI Machinist 1st Year CBT Exam Practice Paper New NIMI Pattern पर आधारित है। ITI Machinist 1st Year CBT Exam Practice Paper मे जो प्रश्‍न दिये गये है वह हिंदी और अंग्रेजी दोनो भाषाओ में है।

ITI Machinist Trade के महत्वपूर्ण प्रश्नो का ITI Machinist 1st Year CBT Exam Practice Paper देने के लिये नीचे दिये गये ITI Machinist 1st Year CBT Exam Practice Paper पर क्लिक करें। उसके बाद Start Quiz पर क्लिक करें।

Q1. Calculate the rpm for drilling a hole of diameter 16 mm on cast iron with a cutting speed 30 m / minute?

(A) 497 rpm

(B) 597 rpm

(D) 697 rpm

Q2.Which is the device is an example for force feed lubricator?

(A) Grease gun

(B) Chain oiler

(D) Ring oiling

Q3. What is the purpose of quick return mechanism in a slotting machine?

(A) To reduce idle time

(B) To increase idle time

(D) To increase feeding time

Q4. What is the clearance angle of parting tool in slotting machine?

(A) 10°

(B) 15°

(D) 20°

Q1. What is the formula to find out the surface speed of grinding in meter /sec?

(A)

(B)

(C)

(D)

Q6. Which is used to protect eyes while grinding?

(A) Apron

(B) Helmet

(D) Goggles

Q7, Which way the coolant flows through the cutting edge in a drill?

(A) Web

(B) Body

(D) Flutes

Q8. How the calipers are classified?

(A) Size

(B) Material

(D) Joint & legs

Q9. What will happen if clearance angle of a chisel increases?

(A) Good cutting

(B) Chisel will slip

(D) Cutting edge dig in the work

Q10. What is the name of thread element marked as X?

(A) Axis

(B) Depth

(D) Screw pitch

Q11. Which file is used for filing narrow grooves and angle more than 10°?

(A) Round file

(B) Half round file

(D) Knife - edge file

Q12. What is the reason for the breaking of cutter while rough milling?

(A) Low cutting speed

(B) Heavy feed

(D) Less depth of cut

Q13. What is the name of the part?

(A) Face plate

(B) Catch plate

(D) Drive plate

Q14. What is called the difference of major dia - minor dia?

(A) ¼ x depth

(B) 2 x depth

(D) Depth

Q15. Which is the advantage of wet grinding?

(A) Good surface finish

(B) Rough surface

(D) Coolant not used

Q16. What is the name of the part marked X?

(A) Body

(B) Face

(D) Point

Q17. Identify the method of taper turning.

(A) Offset

(B) Form tool

(D) Taper turning attachment

Q18. Which of the following thread having more lead.

(A) Triple start

(B) Single start

(D) Quadruple start (four)

Q19. Which part of the surface grinding machine mounted on the column and it can be moved vertically up and down?

(A) Base

(B) Saddle

(D) Wheel head

Q20. Which machines jigs are used?

(A) Milling machine

(B) Lathe

(D) Grinding machine

Q21. Which of the following is a modified form of square thread?

(A) Vee thread

(B) Knuckle thread

(D) Saw tooth thread

Q22. Which types of guide wheel in used for sharpening hand saws?

(A) Disc

(B) Flaring cup

(D) Straight cup

Q23. Which milling attachment is used to drive small cutters at high speeds?

(A) Slotting attachment

(B) High speed attachment

(D) Vertical milling attachment

Q24. What is the following symbol finest surface?

(A) ∼

(B) ∇∇

(D) ∇∇∇∇

Q25. What is the name of the part marked as X?

(A) Clamps

(B) Tenons

(D) Component

Q26. Calculate the spindle speed (RPM) if the diameter of the wheel is 300 mm (d) and the surface speed is 25 m / sec [V] ?

(A) 1459

(B) 1259

(D) 1592

Q27. What is the Name of the cutting given in figure?

(A) Orthogonal cutting

(B) End cutting

(D) Tangential cutting

Q28. What is the purpose of ‘depth stop’ in a drilling machine?

(A) To flush out chips

(B) To drill big holes

(D) To control the down ward movement of drill spindle

Q29. What is X,Y,Z indicates respectively in the given figure?

(A) Revalue, Allowance, production method

(B) Production method, revalue, allowance

(D) Allowance, production method, revalue

Q30. Which milling attachment is fitted to the vertical or horizontal milling machine as required?

(A) Circular table attachment

(B) High speed attachment

(D) Slotting attachment

Q31. Which tool angle is ground to prevent the tool rubbing from the work in a lathe?

(A) Rake angle

(B) Clearance angle

(D) End cutting edge angle

Q32. Which slotting machine is provided horizontal movement in addition to the vertical movement?

(A) Travelling slotting machine

(B) Die slotting machine

(D) Precision tool room slotting machine

Q33. What is the distance moved by a threaded component during one complete revolution?

(A) Pitch

(B) Lead

(D) Flank

Q34. What is the name of gear in compound gear train marked as ‘X’?

(A) 1st driver

(B) 2nd driver

(D) 2nd driven

Q35. What is the type of lathe centre used to support the end of job where no counter sink hole is permitted?

(A) Pipe centre

(B) Ball centre

(D) Tipped centre

Q36. What is the name of part marked as X?

(A) Base

(B) Table

(D) Vertical head

Q37. What does it mean a thread is turning clockwise to advance?

(A) It is a fine thread

(B) It is a left hand thread

(D) It is a right hand thread

Q38. What is the name of part marked as X?

(A) Tool rest

(B) Eye shield

(D) Wheel guard

Q39. Which machining process, the machining of a vertical flat surface perpendicular to the axis of the milling machine arbour?

(A) Plain or slab milling

(B) Side milling

(D) Face milling

Q40. What is the reason for using ACME thread in lathe lead screw?

(A) Manufacturing cost is less

(B) Easily available

(D) Suitable for big diameter thread

Q41. What is the cause of wheel chatter marks?

(A) Wheel out of centre

(B) Incorrect wheel grade

(D) Wheel is too soft

Q42. What is the operation shown in figure?

(A) Grinding slot

(B) Grinding flat

(D) Grinding V-block

Q43. What is the name of the milling?

(A) Plain or slab milling

(B) Face milling

(D) Straddle milling

Q44. What is marked ʺXʺ in given figure?

(A) Base

(B) Wheel head

(D) Head Stock

Q45. What is the name, if the rate at which a point on the work surface pass a point on the wheel surface?

(A) Work speed

(B) Cutting speed

(D) Surface speed

Q46. What is the name of the tool?

(A) Steel dresser

(B) Star and disc dresser

(D) Diamond dresser

Q47. What is the reason for selecting wrought iron for manufacturing crane hooks?

(A) It is tough

(B) It has tenacity

(D) It is hard

Q48. What type of abrasives is used for grinding of very hard materials with low tensile strength?

(A) Corundum

(B) Aluminium oxide

(D) Brown aluminium oxide

Q49. Which part of the lathe contains the mechanism for moving and controlling the carriage?

(A) The apron

(B) Top slide

(D) Cross slide

Q50. What is the name of the part marked as X?

(A) Tenons

(B) Clamps

(D) Setting block

Machinist 1st Year Cbt exam paper 5

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