A bush was turned after mounting the same on a mandrel. The mandrel diameter in millimeters is $${40^{\matrix{ { + 0.00} \cr { - 0.05} \cr } }}$$ and bore diameter of bush is $${40^{\matrix{ { + 0.06} \cr { - 0.00} \cr } }}$$.

The maximum eccentricity of the bush, in $$mm$$ will be

Wrinkling is a common defect found in

For cutting double start screw threads of pitch $$1.0$$ $$mm$$ on a lathe, the thread cutting tool should have a feed rate of

A milling cutter having $$10$$ teeth is rotating at $$100$$$$rpm$$. The table feed is set at $$50mm$$ per minute. The feed per tooth in $$mm$$ is