Milling Layout: Parallel Pass Coverage and Feed Distance

Milling Layout: Parallel Pass Coverage and Feed Distance

Original quantitative topic practice in English. All 24 questions are included in a shuffled order. Each question supplies its own data and model assumptions; use only those assumptions. Choose one answer. Practice target: 20/24, not an official examination pass mark. Keep full intermediate precision. These exercises cover the calculation scope in the title; they do not constitute a full Red Seal examination, trade qualification, site design or operating specification.
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A rectangular width of 196 mm is covered by parallel straight cuts. The first cut covers 40 mm; each additional pass extends coverage by 25 mm. The programmed feed length per pass is the work length 280 mm plus 20 mm total approach/overrun. Use 350 mm/min. Count only these straight feed moves; return and indexing moves are excluded. Calculate the additional passes after the first. Keep intermediate values unrounded; round the final answer to 4 decimal places if needed.