- Production Engineering - Section 1
- Production Engineering - Section 2
- Production Engineering - Section 3
- Production Engineering - Section 4
- Production Engineering - Section 5
- Production Engineering - Section 6
- Production Engineering - Section 7
- Production Engineering - Section 8


Production Engineering - Engineering
Q1: The usual value of the helix angle of a drill isA 20°
B 30°
C 45°
D 60°
ANS:B - 30° Explanation: No answer description is available. |


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