Engine : General Subjects - 2132/1128 |
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Failing to decrease the feed pressure on a drill as its point begins to break through the bottom of the work piece will cause the drill to __________. |
A) break cleanly through the bottom of the work piece |
B) form a tapered hole in the bottom of the work piece |
C) cut an elongated hole in the bottom of the work piece |
D) jam in the work piece and tend to whirl it around |
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