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Bachelor of Science in Engineering Management: Operations and Supply Chain Flashcards

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  1. Which performance metric measures the total time from when a customer places an order to when the order is delivered?

    Answer: Order-to-delivery lead time

    Order-to-delivery lead time (also called order fulfillment lead time) spans the complete customer-facing window from order placement to receipt.

  2. A manufacturer's takt time is calculated as:

    Answer: Total available production time divided by customer demand rate

    Takt time = (Available production time per period) / (Customer demand per period), setting the production heartbeat needed to meet demand.

  3. Sustainable supply chain management (SSCM) integrates which three dimensions into supply chain decisions?

    Answer: Environmental, social, and economic (triple bottom line)

    SSCM explicitly balances environmental stewardship, social responsibility, and economic performance—the triple bottom line—across the supply network.

  4. In a regression-based demand forecast, an R² value of 0.92 indicates that:

    Answer: 92% of demand variability is explained by the independent variable(s)

    R² (coefficient of determination) measures the proportion of variance in the dependent variable explained by the model's independent variables.

  5. Which sourcing strategy involves a buyer and supplier sharing cost, risk, and benefit information openly to jointly reduce total supply chain cost?

    Answer: Open-book costing (collaborative cost management)

    Open-book costing requires the supplier to share detailed cost breakdowns, enabling joint improvement efforts that benefit both parties.

  6. A warehouse uses a 'goods-to-person' automation system rather than traditional pick-and-walk operations. The primary operational benefit is:

    Answer: Reduced picker travel time and higher throughput

    Goods-to-person systems (e.g., AutoStore, Kiva robots) bring inventory to stationary pickers, dramatically reducing non-value-added travel time and increasing pick rates.

  7. The SCOR (Supply Chain Operations Reference) model organizes supply chain processes into which top-level process categories?

    Answer: Plan, Source, Make, Deliver, Return, Enable

    SCOR version 12 defines six top-level processes: Plan, Source, Make, Deliver, Return, and Enable, providing a standard framework for supply chain analysis.