For the same thickness, which of the following materials has the smallest R- value?
A) Gypsum
B) Expanded polystyrene
C) Extruded polystyrene
D) Polyisocyanurate
E) Fiberglass
Correct Answer:
Verified
Q3: Within an air space (cavity), the mode
Q4: IECC is an acronym for
A)International Energy Cooperation
Q5: Apart from the climate of the location,
Q6: Within a solid, the mode of heat
Q7: The concept of aged R- value is
Q9: The R- value of a 1- in.-
Q10: The R- value of a single glass
Q11: The emissivity of a material lies between
A)1
Q12: The unit for the measure of energy
Q13: The R- value of a building assembly
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