McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .
Chapters
| 1. |
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 | |
| 2. |
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) | |
| 3. |
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 | |
| 4. |
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 | |
| 5. |
The following acts as driving shaft in Lathe. |
| A. | Countershaft |
| B. | Spindle shaft |
| C. | Lead screw |
| D. | None of the above |
| Answer» A. Countershaft | |
| 6. |
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 | |
| 7. |
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 | |
| 8. |
The following is also known as Tool rest |
| A. | Saddle |
| B. | Cross slide |
| C. | Compound rest |
| D. | Tool post |
| Answer» C. Compound rest | |
| 9. |
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’ | |
| 10. |
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 | |
| 11. |
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 | |
| 12. |
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 | |
| 13. |
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 | |
| 14. |
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 | |
| 15. |
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 | |
| 16. |
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 | |
| 17. |
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 | |
| 18. |
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 | |
| 19. |
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 | |
| 20. |
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 | |
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