Discussion
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- Question
The operation of reproduction of an outline of a template on a workpiece is called face milling.
Options- A. Yes
- B. No
- Correct Answer
- No
- 1. The enlarging of an existing circular hole with a rotating single point tool is called
Options- A. boring
- B. drilling
- C. reaming
- D. internal turning Discuss
- 2. The cutting speed for counter-boring should be __________ that of drilling operation.
Options- A. equal to
- B. less than
- C. greater than Discuss
- 3. The parameter which completely defines the chip formation in a metal cutting process is
Options- A. shear angle
- B. chip-tool contact length
- C. both (a) and (b)
- D. none of these Discuss
- 4. In drilling mild steel and brass, the point angle of a drill is 118°.
Options- A. True
- B. False Discuss
- 5. The advantage of a broaching operation is that
Options- A. rate of production is very high
- B. high accuracy and high class of surface finish is possible
- C. roughing and finishing cuts are completed in one pass of the tool
- D. all of the above Discuss
- 6. A bottoming tap has
Options- A. its end tapered for about three or four threads
- B. its end tapered for about eight or ten threads
- C. full threads for the whole of its length
- D. none of the above Discuss
- 7. The cutting speed for drilling __________ with high speed steel drills is 24 to 45 m/min.
Options- A. mild steel
- B. copper
- C. aluminium
- D. brass Discuss
- 8. A fine grained grinding wheel is used to grind
Options- A. hard and brittle materials
- B. soft and ductile materials
- C. hard and ductile materials
- D. soft and brittle materials Discuss
- 9. Hard and tough materials like cast iron should be turned at
Options- A. slow speed
- B. high speed
- C. any speed
- D. certain specific speed Discuss
- 10. Tumbler gears in lathe are used to
Options- A. reduce the spindle speed
- B. cut gears
- C. give desired direction of movement to the lathe carriage
- D. drill a workpiece Discuss
Production Engineering problems
Search Results
Correct Answer: boring
Correct Answer: greater than
Correct Answer: both (a) and (b)
Correct Answer: True
Correct Answer: all of the above
Correct Answer: full threads for the whole of its length
Correct Answer: mild steel
Correct Answer: hard and brittle materials
Correct Answer: slow speed
Correct Answer: give desired direction of movement to the lathe carriage
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