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Production Engineering
Comments
Question
When the shear angle is small
Options
A. path of shear is short and chip is thin
B. path of shear is large and chip is thick
C. path of shear is short and chip is thick
D. path of shear is large and chip is thin
Correct Answer
path of shear is large and chip is thick
Production Engineering problems
Search Results
1. The angle between the face and flank of the single point cutting tool is known as
Options
A. rake angle
B. clearance angle
C. lip angle
D. point angle
Show Answer
Scratch Pad
Discuss
Correct Answer: lip angle
2. Glazing in grinding wheels __________ cutting capacity.
Options
A. has no effect on
B. increase
C. decrease
Show Answer
Scratch Pad
Discuss
Correct Answer: decrease
3. The usual value of the helix angle of a drill is
Options
A. 20°
B. 30°
C. 45°
D. 60°
Show Answer
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Discuss
Correct Answer: 30°
4. A lathe with four steps on the cone pulley and with backgears will have
Options
A. four direct speeds
B. four indirect speeds
C. four direct and four indirect speeds
D. eight indirect speeds
Show Answer
Scratch Pad
Discuss
Correct Answer: four direct and four indirect speeds
5. If the grain size is __________ the tool life is better.
Options
A. smaller
B. larger
Show Answer
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Discuss
Correct Answer: larger
6. 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
Show Answer
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Discuss
Correct Answer: all of the above
7. In drilling mild steel and brass, the point angle of a drill is 118°.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
8. 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
Show Answer
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Discuss
Correct Answer: both (a) and (b)
9. The cutting speed for counter-boring should be __________ that of drilling operation.
Options
A. equal to
B. less than
C. greater than
Show Answer
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Discuss
Correct Answer: greater than
10. 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
Show Answer
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Discuss
Correct Answer: boring
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