Planing and Slotting

Q. A workpiece of $2000mm$ length and $300mm$ width was machined by a planning operation with the feed set at $0.3mm/stroke$. If the machine tool executes $10$ double strokes/min, the planning time for a single pass will be

1. $50min$
2. $100min$
3. $200min$
4. $220min$

Q. 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

1. $50min$
2. $100min$
3. $166.6min$
4. $333.33min$