Production Engineer Question:

In up milling, the thickness of chip is:

A. minimum at the beginning of the cut and maximum at the end of the cut
B. maximum at the beginning of the cut and minimum at the end of the cut
C. uniform throughout the cut
D. none of these

A. minimum at the beginning of the cut and maximum at the end of the cut

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A left hand tool on a lathe cuts most efficiently when it travels. A. from left to right end of the lathe bed B. from right to left end of the lathe bed C. with the help of a compound slide D. across the bed	The machining of titanium is difficult due to: A. high thermal conductivity of titanium B. chemical reaction between tool and work C. low tool-chip contact area D. none of these