IB Physics SL A 3 3 Sankey Diagrams Questions

Practise calculating efficiency and losses from Sankey diagrams, then drawing proportional labelled arrows for energy and power transfers.

Exam points

Represent energy transfers and useful or wasted outputs using a correctly labelled Sankey diagram.
Construct or interpret arrow widths, scale and efficiency from complete mark-scheme evidence.

[Maximum number: 3]

On the grid, sketch a labelled Sankey diagram that represents the energy transformation in this OWC.

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Diagram correct shape (but scaled incorrectly) and labelled.
Waste energy $0.32\ \text{MW}$ (allow ECF from (b)(i)).
All dimensions scaled correctly (by eye).

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IB Physics SL A 3 3 Sankey Diagrams Questions question 1