Thrust force in drilling can be reduced by... A., the point angle and by... B... the helix angle of the drill

Thrust force in drilling can be reduced by... A., the point angle and

1.	Thrust force in drilling can be reduced by... A., the point angle and by... B... the helix angle of the drill
A.	decreasing/reducing
B.	increasing/reducing
C.	Both A and B
D.	None of these
Answer» C. Both A and B

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Thrust force in drilling can be reduced by... A., the point angle and by... B... the helix angle of the drill

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