Multiple Choice
Which of these calculated values of thermal resistance is not correct?
A) A low energy building wall has 1.0 m thickness of phenolic foam having a thermal conductivity of 0.04 W/m K making a thermal resistance of 25.0 m2 K/W
B) 110 mm of brickwork is 0.13
C) 150 mm of fibreglass roof insulation is 3.75
D) A metal window frame 20 mm thickness has a thermal conductivity of 50.0 W/m K and has a thermal resistance of virtually zero
E) 100 mm concrete having a thermal conductivity of 2.0 W/m K is 0.05
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Which does not apply to admittance values?<br>A)Expresses
Q2: U value is the sum of all
Q3: Areas of a building that do not
Q4: Which of these is correct?<br>A)Thermal resistance of
Q5: What do sheltered, normal and severe apply?<br>A)Preferable
Q6: Which explanation of thermal conductivity is correct?<br>A)Units
Q7: Which is correct about an existing structures'
Q9: What does 0.33NV(t1-t2) mean?<br>A)Volumetric specific heat capacity
Q10: Which is the incorrect unit?<br>A)Thermal transmittance W/m<sup>2</sup>