MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
What is the unit of metal removal rate? |
| A. | mm2/minute |
| B. | mm3/minute |
| C. | mm/minute |
| D. | none of the mentioned |
| Answer» B. mm3/minute | |
| 2. |
If d=depth of cut in mm, f=feed in mm/stroke, n=stroke/min, l=length of stroke in mm, m= ratio of return stroke time to cutting stroke time, then find the formula for metal removal rate. |
| A. | f*d*l*n*(m+1) |
| B. | f*d*l*n*m |
| C. | f*d*l*n*m/1000 |
| D. | none of the mentioned |
| Answer» B. f*d*l*n*m | |
| 3. |
What is the unit for machining time? |
| A. | minute |
| B. | mm/minute |
| C. | mm |
| D. | none of the mentioned |
| Answer» B. mm/minute | |
| 4. |
If v=cutting speed, s= feed in mm, b=width of work in mm, m=the ratio between the return time to cutting time and l= length of the cutting stroke in mm. Then, find the formula for time. |
| A. | (l*b*m) / ( 1000*v*s) |
| B. | (l*b*(1+m) ) / ( 1000*v*s) |
| C. | (l*b*v) / ( m*s*1000) |
| D. | none of the mentioned |
| Answer» C. (l*b*v) / ( m*s*1000) | |
| 5. |
Depth of cut may be given by _____ |
| A. | tool head slide |
| B. | lifting the table |
| C. | both tool head slide or drifting the table |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 6. |
Depth of cut is expressed in ______ |
| A. | mm |
| B. | mm/minute |
| C. | minute |
| D. | none of the mentioned |
| Answer» B. mm/minute | |
| 7. |
Depth of cut is the _______ distance between machined surface and non-machined surface of the workpiece. |
| A. | parallel |
| B. | perpendicular |
| C. | 45 degree inclined to both planes |
| D. | none of the mentioned |
| Answer» C. 45 degree inclined to both planes | |
| 8. |
Depth of cut is thickness of metal that is removed in two cut. |
| A. | true |
| B. | false |
| Answer» C. | |
| 9. |
Feed is in direction _______ to the axis of reciprocation of the arm per double stroke. |
| A. | parallel |
| B. | perpendicular |
| C. | 45 degree inclined to both planes |
| D. | none of the mentioned |
| Answer» C. 45 degree inclined to both planes | |
| 10. |
The feed is the relative movement of tool or work. |
| A. | true |
| B. | false |
| Answer» B. false | |