For a cube-shaped room, 10 ft on a side, what will be the rate of heat loss if the R-value is 4 ft2-$\degree$F-hr/Btu for each side and the $\Delta$T is 50 F?
A) 800
B) 1200
C) 5000
D) 7500
E) 12,000 Btu/hr

Question

Quizplus · Accepted Answer

The rate of heat loss is calculated using the formula: Q = A * ΔT / R. The surface area A of the cube is 6 * (10 ft * 10 ft) = 600 ft². Thus, Q = 600 ft² * 50°F / 4 ft²-°F-hr/Btu = 7500 Btu/hr.

For a Cube-Shaped Room, 10 Ft on a Side, What °\degree°

For a Cube-Shaped Room, 10 Ft on a Side, What $\degree$