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. |
If cs=1 and n=40, then find the value of d. d=diameter of drill in mm, n=rpm and cs=cutting speed in mm/minute. |
| A. | 7.96 |
| B. | 3.98 |
| C. | 15.92 |
| D. | none of the mentioned |
| Answer» B. 3.98 | |
| 2. |
If d=2, n=4 and f=1. Then find the value of m. d= diameter of drill in mm, n=rpm, f=feed per revolution in mm and m=metal removal rate in mm3/minute. |
| A. | 0.798 |
| B. | 1 |
| C. | 0.6369 |
| D. | none of the mentioned |
| Answer» B. 1 | |
| 3. |
If d=1, n=1 and f=4. Then find the value of m. d= diameter of drill in mm, n=rpm, f=feed per revolution in mm and m=metal removal rate in mm3/minute. |
| A. | 0.08 |
| B. | 1 |
| C. | 0.3184 |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4. |
If l=20 mm, t=2 minute and s=5 mm. Then find the value of t. t=machining time in minute, l=length of travel of the drill in mm, n= rpm of the drill and s=feed per revolution of the drill in mm. |
| A. | 0.5 |
| B. | 1 |
| C. | 2 |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 5. |
If l=10mm, n=2 rpm and t=0.5 minute. Then find the value of s. t=machining time in minute, l=length of travel of the drill in mm, n= rpm of the drill and s=feed per revolution of the drill in mm. |
| A. | 5 |
| B. | 10 |
| C. | 20 |
| D. | none of the mentioned |
| Answer» C. 20 | |
| 6. |
If l=10mm, n=2 rpm and s=5 mm. Then find the value of t. t=machining time in minute, l=length of travel of the drill in mm, n= rpm of the drill and s=feed per revolution of the drill in mm. |
| A. | 0.5 |
| B. | 1 |
| C. | 2 |
| D. | none of the mentioned |
| Answer» C. 2 | |
| 7. |
If the depth of cut (d1) is 10mm, then find the value of the diameter of the drill (d2). |
| A. | 5 |
| B. | 10 |
| C. | 20 |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 8. |
Feed per minute (f1) is 10 and feed per revolution (f2) is 5. Then find the value of rpm. |
| A. | 2 |
| B. | 4 |
| C. | 1 |
| D. | 0.5 |
| Answer» B. 4 | |
| 9. |
The diameter of the drill is 20 mm and rpm of drill is 10. Find the value of cutting speed in meter/minute. |
| A. | 0.628 |
| B. | 628 |
| C. | 0.2 |
| D. | 200 |
| Answer» B. 628 | |
| 10. |
If diameter of the drill is 20 mm. Then find the value of depth of cut in mm. |
| A. | 20 |
| B. | 10 |
| C. | 40 |
| D. | none of the mentioned |
| Answer» C. 40 | |
| 11. |
If metal removal rate is 100 mm3/minute, rpm is 165 and feed is 0.01 mm/revolution. Then find the value of drill in mm. |
| A. | 8.78 |
| B. | 4.41 |
| C. | 19.3 |
| D. | 77.8 |
| Answer» B. 4.41 | |
| 12. |
If drill is 3.15 mm, metal removal rate is 55 mm3/minute and rpm is 170.Then find the value of feed in mm/revolution. |
| A. | 0.02 |
| B. | 0.2 |
| C. | 0.04 |
| D. | 0.4 |
| Answer» D. 0.4 | |
| 13. |
If drill is 2 mm, feed is 0.2 mm/revolution and metal removal rate is 50 mm^/minute. Then find out the value of rpm. |
| A. | 318.4 |
| B. | 159.2 |
| C. | 79.6 |
| D. | 39.8 |
| Answer» D. 39.8 | |
| 14. |
A hole is being drilled with 1.5mm drill at a feed of 0.3 mm/revolution and rpm is 70. Calculate the metal removal rate in mm3/minute. |
| A. | 18.5 |
| B. | 37 |
| C. | 74 |
| D. | 148 |
| Answer» C. 74 | |