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Latent heat storage holds more energy in a given volume than sensible storage because the phase change

  • A.occurs over a wide range of temperature
  • B.absorbs heat at a constant temperature
  • C.raises the material's specific heat
  • D.increases the density of the material

Answer: B

The latent heat of fusion is large compared with the sensible heat over any practical temperature swing, and it is absorbed without the store getting warmer. Discharging at a fixed temperature suits many process duties.

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