Question

A CNC vertical milling machine has to cut a straight slot of $10mm$ width adn $2mm$ depth by a cutter of $10mm$ diameter betweeen points $(0,0)$ and $(100,100)$ on the $XY$ plane (dimensions in $mm$). The feed rate used for milling is $50mm/min$. Milling time for the slot (in seconds) is

• A. $120$
• B. $170$
• C. $180$
• D. $240$

Answer 1

The correct option is B $170$

$170$