| 1. | The process of bevelling the end of a hole is called ? | |
|
counter sinking
|
||
|
counter boring
|
||
|
spot facing
|
||
|
boring
|
||
View Answer
Discuss in Forum
Report Question| 2. | Segmental chips are formed during machining of _________ ? | |
|
high carbon steel
|
||
|
cast iron
|
||
|
high speed steel
|
||
|
mild steel
|
||
| 3. | Segmental chips are formed during machining of _________ ? | |
|
high carbon steel
|
||
|
cast iron
|
||
|
high speed steel
|
||
|
mild steel
|
||
| 4. | The rate of feed depend up on ? | |
|
finished required
|
||
|
material of tool
|
||
|
material of job
|
||
|
all of these
|
||
| 5. | Calculate the rpm for a high speed steel drill 12 mm to cut aluminium. The cutting speed for aluminium 50m/min ? | |
|
332 rpm
|
||
|
663 rpm
|
||
|
1326 rpm
|
||
|
4163 rpm
|
||
| 6. | Find out the speed settings (rpm) for a high speed steel drill d 24 mm to cut a work peace of phosphorus bronze. Maximum cutting speed with hss for phosphorus bronze is 35m/min ? | |
|
200
|
||
|
460
|
||
|
600
|
||
|
1000
|
||
| 7. | Which one among these is not a chip ? | |
|
continues
|
||
|
discontinuous
|
||
|
continues with built-up edge
|
||
|
spiral
|
||
| 8. | A finish cut is given to the improve the surface finish of a rough milled work peace. Which one of the below mentioned statement of true ? | |
|
decrease cutting speed, feed rate and depth of cut
|
||
|
increase feed rate, depth of cut and reduce cutting speed
|
||
|
increase cutting speed, feed rate and depth of cut
|
||
|
increase cutting speed, reduce feed rate and depth of cut
|
||
| 9. | You have to machine a flat surface on a work peace of five meter length. Which machine will you have choose for this ? | |
|
milling
|
||
|
shaper
|
||
|
lathe
|
||
|
planner
|
||
| 10. | The lowest possible out of feed will give ? | |
|
good surface finish
|
||
|
medium surface finish
|
||
|
poor surface finish
|
||
|
none of the above
|
||