McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .
Chapters
| 1. |
In which operation, motion of job is rotary and motion of cutting tool is forward translating? |
| A. | turning |
| B. | planning |
| C. | milling |
| D. | all of the mentioned |
| Answer» A. turning | |
| 2. |
Which type of job motion is there in drilling operation? |
| A. | rotary |
| B. | translating |
| C. | fixed |
| D. | none of the mentioned |
| Answer» C. fixed | |
| 3. |
In which type of operation, motion of cutting tool is translating? |
| A. | drilling and milling |
| B. | milling and turning |
| C. | boring and drilling |
| D. | turning and planning |
| Answer» C. boring and drilling | |
| 4. |
In which type of operation, motion of cutting tool is rotary as well as translating? |
| A. | planning |
| B. | milling |
| C. | drilling |
| D. | turning |
| Answer» C. drilling | |
| 5. |
In drilling motion of job is rotary. |
| A. | true |
| B. | false |
| C. | none |
| D. | all |
| Answer» B. false | |
| 6. |
Which of the following is the example of multi point cutting tool? |
| A. | milling cutter |
| B. | broaching tool |
| C. | both milling utter and broaching tool |
| D. | none of the mentioned |
| Answer» C. both milling utter and broaching tool | |
| 7. |
In how many groups, cutting tools can be divided? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | none of the mentioned |
| Answer» A. 2 | |
| 8. |
In how many groups, various metal working processes can be classified? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | none of the mentioned |
| Answer» A. 2 | |
| 9. |
In lathe work, when the tool is fed parallel to the rotation of job work, it will produce |
| A. | Cylindrical surface |
| B. | Spherical surface |
| C. | Tapered surface |
| D. | All of the above |
| Answer» A. Cylindrical surface | |
| 10. |
The following type of Lathe is operated through Cams and Cam plate. |
| A. | Precision Lathe |
| B. | Crankshaft Lathe |
| C. | Screw cutting Lathe (Automatic) |
| D. | Duplicating Lathe |
| Answer» C. Screw cutting Lathe (Automatic) | |
| 11. |
The following part of Lathe serves as housing for the driving pulleys and back gears |
| A. | Head stock |
| B. | Tail stock |
| C. | Bed |
| D. | Carriage |
| Answer» A. Head stock | |
| 12. |
In Lathe, the back gears are used for affecting _______ in spindle speeds, thereby facilitating wider range of speeds |
| A. | Increase |
| B. | Reduction |
| C. | Increase or reduction |
| D. | None of the above |
| Answer» B. Reduction | |
| 13. |
The following acts as driving shaft in Lathe. |
| A. | Countershaft |
| B. | Spindle shaft |
| C. | Lead screw |
| D. | None of the above |
| Answer» A. Countershaft | |
| 14. |
A desired speed of _____ can be obtained by selecting the suitable change gears having proper number of teeth. |
| A. | Lead screw |
| B. | Countershaft |
| C. | Spindle |
| D. | Feed gear box |
| Answer» A. Lead screw | |
| 15. |
The Lathe carriage serves the following purpose of the tool |
| A. | Guiding |
| B. | Feeding |
| C. | Supporting |
| D. | All of the above |
| Answer» D. All of the above | |
| 16. |
The following is also known as Tool rest |
| A. | Saddle |
| B. | Cross slide |
| C. | Compound rest |
| D. | Tool post |
| Answer» C. Compound rest | |
| 17. |
The following is used in Magnetic chucks |
| A. | Electromagnet |
| B. | Permanent magnet |
| C. | Both ‘A’ and ‘B’ |
| D. | None of the above |
| Answer» C. Both ‘A’ and ‘B’ | |
| 18. |
The following is used for holding bored parts for machining their outside surfaces on Lathe. |
| A. | Mandrel |
| B. | Dogs |
| C. | Driving plate |
| D. | Angle plate |
| Answer» A. Mandrel | |
| 19. |
The following is used to turn very long job between centers on a lathe. |
| A. | Steady rest |
| B. | Follower rest |
| C. | Compound rest |
| D. | All of the above |
| Answer» A. Steady rest | |
| 20. |
The following is used to support too flexible job very close to the cutting edge. |
| A. | Steady rest |
| B. | Follower rest |
| C. | Compound rest |
| D. | All of the above |
| Answer» B. Follower rest | |
| 21. |
Which of the following attachments can be used on Centre lathe? |
| A. | Grinding |
| B. | Milling |
| C. | Copying |
| D. | All of the above |
| Answer» D. All of the above | |
| 22. |
For correct setting for turning operation in a lathe machine, the tool nose should touch the workpiece _____ horizontal line which is parallel to and at the same level as the axis of correctly centred workpiece. |
| A. | Exactly on a |
| B. | Above the |
| C. | Below the |
| D. | Any of the above |
| Answer» A. Exactly on a | |
| 23. |
The following is taper turning method on lathe |
| A. | Tail stock set-over method |
| B. | By swivelling the compound rest |
| C. | Using a broad nose tool |
| D. | All of the above |
| Answer» D. All of the above | |
| 24. |
External threads can be produced by means of |
| A. | Taps |
| B. | Dies |
| C. | Lathe machine |
| D. | All of the above |
| Answer» D. All of the above | |
| 25. |
The axial advancement in one rotation of the screwed part is known as ____ of the threads. |
| A. | Pitch |
| B. | Lead |
| C. | Pitch diameter |
| D. | Helix |
| Answer» B. Lead | |
| 26. |
To cut a screw of 3mm pitch on Lathe machine having same speeds of spindle and lead screw, the tool should move, parallel to the axis of the work, a distance of ____ for every revolution of the spindle. |
| A. | 1.5 mm |
| B. | 3 mm |
| C. | 4.5 mm |
| D. | 6 mm |
| Answer» B. 3 mm | |
| 27. |
In cutting Right hand threads, the spindle and lead screw rotates in the |
| A. | Same direction |
| B. | Opposite direction |
| C. | Same or Opposite direction |
| D. | Spindle rotates but lead screw does not rotate |
| Answer» A. Same direction | |
| 28. |
In lathe, form tools are used to produce |
| A. | Cylindrical surfaces |
| B. | Tapered surfaces |
| C. | The surfaces which are neither cylindrical nor tapered |
| D. | Threads |
| Answer» C. The surfaces which are neither cylindrical nor tapered | |
| 29. |
Which of the following operation, we can’t perform on drilling machine? |
| A. | reaming |
| B. | tapping |
| C. | lapping |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 30. |
Tapping attachment is included in_______ method of tool holding devices. |
| A. | by chucks |
| B. | by a sleeve |
| C. | by directly fitting in the spindle |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 31. |
Floating holder is included in______ method of tool holding devices. |
| A. | by directly fitting in the spindle |
| B. | by special attachments |
| C. | by a socket |
| D. | none of the mentioned |
| Answer» B. by special attachments | |
| 32. |
Which of the following method is not used for holding tool? |
| A. | by a sleeve |
| B. | by chucks |
| C. | by a socket |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 33. |
We can’t perform grinding operation in a drilling machine. |
| A. | true |
| B. | false |
| C. | none |
| D. | all |
| Answer» B. false | |
| 34. |
Which of the following device is not used for holding the work in a drilling machine? |
| A. | step block |
| B. | drill jigs |
| C. | both step block and drill jigs |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 35. |
In drilling operation, work should be held by hand. |
| A. | true |
| B. | false |
| C. | none |
| D. | all |
| Answer» B. false | |
| 36. |
The drilling machine is the second most important machine tool in a workshop. |
| A. | true |
| B. | false |
| C. | none |
| D. | all |
| Answer» A. true | |
| 37. |
The drilling machine was primarily designed to originate a _____ |
| A. | flat surface |
| B. | cylindrical surface |
| C. | taper surface |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 38. |
For drilling operation, the drill rotates with_____ pressure if job is held on earth. |
| A. | upward |
| B. | downward |
| C. | 45 degree inclined to both planes |
| D. | none of the mentioned |
| Answer» B. downward | |
| 39. |
What does the boring mean? |
| A. | a process of making a hole in an object |
| B. | a process of enlarging a hole which is already in an object |
| C. | a process of finishing an existing hole very smoothly and accurately in size |
| D. | none of the above |
| Answer» A. a process of making a hole in an object | |
| 40. |
Which operation can correct hole location, size or alignment of the hole which is already drilled in workpiece? |
| A. | Boring |
| B. | Rimming |
| C. | Both a. and b |
| D. | None of the above |
| Answer» A. Boring | |
| 41. |
Which drilling machine is used to perform drilling operation on the workpieces which are too heavy and also maybe too large to mount on worktable? |
| A. | Portable drilling machine |
| B. | Sensitive drilling machine |
| C. | Radial drilling machine |
| D. | none of the above |
| Answer» C. Radial drilling machine | |
| 42. |
The effect of setting a boring tool above center height leads to |
| A. | Increase in the effective rake angle and a decrease in the effective clearance angle |
| B. | Increase in both effective rake angle and effective clearance angle |
| C. | Decrease in the effective rake angle and an increase in the effective clearance angle |
| D. | Decrease in both effective rake angle and effective clearance angle |
| Answer» A. Increase in the effective rake angle and a decrease in the effective clearance angle | |
| 43. |
In which of the following machine, the work rotates and the tool is stationary? |
| A. | Vertical boring machine |
| B. | Horizontal boring machine |
| C. | Precision boring machine |
| D. | Jig boring machine |
| Answer» A. Vertical boring machine | |
| 44. |
The process of chamfering the entrance of a drilled hole is known as_____ |
| A. | counter-boring |
| B. | counter-sinking |
| C. | counter-fillet |
| D. | trepanning |
| Answer» B. counter-sinking | |
| 45. |
On drilling machine, which process is known as reaming? |
| A. | Enlargement of existing hole |
| B. | Hole made by removal of metal along the hole circumference |
| C. | Smoothly finishing and accurately sizing a drilled hole |
| D. | All of the above |
| Answer» C. Smoothly finishing and accurately sizing a drilled hole | |
| 46. |
During milling, the cutter usually moves |
| A. | Perpendicular to its axis |
| B. | Parallel to its axis |
| C. | Inclined to its axis |
| D. | Any of the above |
| Answer» A. Perpendicular to its axis | |
| 47. |
The speed at which the piece advances through the cutter is called |
| A. | Cutting speed |
| B. | Feed rate |
| C. | Depth of cut |
| D. | None of the above |
| Answer» B. Feed rate | |
| 48. |
In _____, the cutting action occurs primarily at the end corners of the milling cutter. |
| A. | Face milling |
| B. | Peripheral milling |
| C. | Both (A) and (B) |
| D. | None of the above |
| Answer» A. Face milling | |
| 49. |
Peripheral milling is well suited to the cutting of |
| A. | Deep slots |
| B. | Threads |
| C. | Gear teeth |
| D. | All of the above |
| Answer» D. All of the above | |
| 50. |
A milling cutter may have surfaces made of |
| A. | High speed steel |
| B. | Cemented carbide |
| C. | Aluminium oxide |
| D. | Both (A) and (B) |
| Answer» A. High speed steel | |
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