Question

A workpiece of $100cm$ length and $30cm$ width is machined by planning operation with a feed of $0.3mm/stroke$. The machine tool executes $10$ double strokes per minute. The planning time for a single pass is

• A. $50min$
• B. $100min$
• C. $166.6min$
• D. $333.33min$

Answer 1

The correct option is B $100min$

$\text{Feed per minute}=0.3\times 10=3mm$
$\text{Time taken}=\frac{300}{3}=100min$