MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Self-driving live centre is usually mounted on the tailstock. |
| A. | true |
| B. | false |
| Answer» C. | |
| 2. |
Which of the following is not the type of lathe centre? |
| A. | pipe centre |
| B. | revolving centre |
| C. | insert-type centre |
| D. | none of the mentioned |
| Answer» E. | |
| 3. |
Which type of centre is used to support the end of the jobwhere no countersink hole is permitted? |
| A. | ordinary centre |
| B. | half centre |
| C. | female centre |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4. |
Which type of centre is used while machining the entire lengthof the job in one setting? |
| A. | swivel V centre |
| B. | female centre |
| C. | self-driving live centre |
| D. | pipe centre |
| Answer» D. pipe centre | |
| 5. |
Which of the following centre is more economical? |
| A. | insert-type centre |
| B. | pipe centre |
| C. | half centre |
| D. | none of the mentioned |
| Answer» B. pipe centre | |
| 6. |
Revolving centre is also known as revolving live centre. |
| A. | true |
| B. | false |
| Answer» C. | |
| 7. |
In revolving centre, a high speed steel inserted centre is supported by_____ bearings housed in a body. |
| A. | 1 |
| B. | 3 |
| C. | 2 |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 8. |
In pipe centre, friction is there. |
| A. | true |
| B. | false |
| Answer» C. | |
| 9. |
In which type of lathe centre, minimum wear and strain are obtained? |
| A. | pipe centre |
| B. | ball centre |
| C. | insert-type centre |
| D. | none of the mentioned |
| Answer» C. insert-type centre | |
| 10. |
The live centre is subjected to wear due to friction. |
| A. | true |
| B. | false |
| Answer» C. | |
| 11. |
A carbide or a hard alloy tip is brazed into an ordinary steel shank. For which type of centre, above sentence is true? |
| A. | pipe centre |
| B. | half centre |
| C. | female centre |
| D. | tipped centre |
| Answer» E. | |
| 12. |
The centres take up_______ |
| A. | thrust due to metal cutting |
| B. | entire load of the work piece on small bearing surface |
| C. | thrust due to metal cutting and entire load of the work piece on small bearing surface both |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 13. |
Which type of centre is used while facing the job without disturbing the setting? |
| A. | ball centre |
| B. | pipe centre |
| C. | half centre |
| D. | revolving centre |
| Answer» D. revolving centre | |
| 14. |
Half centre is also known as common type centre. |
| A. | true |
| B. | false |
| Answer» C. | |