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‘U-valuc' refers to
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- Utility function for convective heat transfer
- Thermal transmittance of building components
- Energy transfer between thermal bridges
- Measure for area related heating and cooling loads
- Utility function for convective heat transfer
Correct Option: B
U-values measure how effective a material is an insulator. The lower the U-value is, the better the material is as a heat insulator. For example, here are some typical U-values for building materials: a cavity wall has a U-value of 1.6 W/ m² .It is also known as thermal transmittance of building components such as window, wall etc.
