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10 questions from this quiz
Heat transfer rate through materials
Kelvin (temperature difference)
0.21 W/m²K
Better insulation performance
Ten years
U=1RTU = \frac{1}{R_T}U=RT1
R=TkR = \frac{T}{k}R=kT
Cavity construction with insulation
Kelvin
RT=RU+RL2R_T = \frac{R_U + R_L}{2}RT=2RU+RL
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