MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Tools knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which type of centre is used to drill holes across the round jobby using a drill bit in the head-stock spindle? |
| A. | swivel V centre |
| B. | female centre |
| C. | half centre |
| D. | none of the mentioned |
| Answer» B. female centre | |
| 2. |
Grooves cut along the diameter of the centre point provide forgood gripping of the job and for getting the drive, in self-driving live centre. |
| A. | true |
| B. | false |
| Answer» C. | |
| 3. |
Self-driving live centre can be used only for soft jobs. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 4. |
Only the small high-speed steel insert is replaced.For which type of centre, above sentence is true? |
| A. | ball centre |
| B. | swivel V centre |
| C. | ordinary centre |
| D. | none of the mentioned |
| Answer» E. | |
| 5. |
Which of the following is the type of lathe centres? |
| A. | ordinary centre |
| B. | tipped centre |
| C. | ball centre |
| D. | all of the mentioned |
| Answer» E. | |
| 6. |
The shanks of all the centres are machined to the metric 2 to 4 standard taper. |
| A. | true |
| B. | false |
| Answer» C. | |
| 7. |
WHICH_OF_THE_FOLLOWING_IS_THE_TYPE_OF_LATHE_CENTRES??$ |
| A. | ordinary centre |
| B. | tipped centre |
| C. | ball centre |
| D. | all of the mentioned |
| Answer» E. | |
| 8. |
Self-driving live centre can be used only for soft jobs.$ |
| A. | true |
| B. | false |
| Answer» B. false | |
| 9. |
Which type of centre is used to drill holes across the round job |
| A. | |
| B. | swivel V centre |
| C. | female centre |
| Answer» B. swivel V centre | |
| 10. |
Grooves cut along the diameter of the centre point provide for |
| A. | |
| B. | true |
| Answer» C. | |
| 11. |
The shanks of all the centres are machined to the metric 2 to 4 standard taper? |
| A. | true |
| B. | false |
| Answer» C. | |
| 12. |
Lathe centers are mde up of very hard materials. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 13. |
The shanks of all the centres are machined to the Morse 0 to 3 tapers. |
| A. | true |
| B. | false |
| Answer» C. | |
| 14. |
What is the included angle of centre for general purpose work? |
| A. | 30 |
| B. | 45 |
| C. | 60 |
| D. | 75 |
| Answer» D. 75 | |
| 15. |
Which type of centre is particularly suitable for taper turning? |
| A. | ball centre |
| B. | female centre |
| C. | half centre |
| D. | none of the mentioned |
| Answer» B. female centre | |
| 16. |
Why lathe centres are made of very hard materials? |
| A. | to resist deflection |
| B. | to resist wear |
| C. | to resist deflection and wear both |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 17. |
In which type of lathe centre, the hard tip is wear resistant? |
| A. | tipped centre |
| B. | revolving centre |
| C. | ordinary centre |
| D. | half centre |
| Answer» B. revolving centre | |
| 18. |
Which of the following is not the type of centre in lathe? |
| A. | live centre |
| B. | neutral centre |
| C. | dead centre |
| D. | none of the mentioned |
| Answer» C. dead centre | |
| 19. |
How many main type of centres are there in lathe (most commonly)? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |