How much heat is lost through a $3^{\text{'}}{5}^{\text{'}}$ single$-$pane win$-$

dow with a storm that is exposed to a $60F$ temperature

differential?

A$.450Bt\frac{u}{h}$

B$.900Bt\frac{u}{h}$

C$.1350Bt\frac{u}{h}$

D$.1800Bt\frac{u}{h}$

Which of the following is$($are$)$ true regarding a ${10}^{\text{'}}{30}^{\text{'}}$

wall that has a $21-f{t}^2$ door and a $20-f{t}^2$ window cut into it$?$

A$.$ The gross wall area is $300f{t}^2.$

B$.$ The gross wall area is $259f{t}^2.$

C$.$ The net wall area is $300f{t}^2.$

D$.$ The net wall area is $341f{t}^2.$

Which of the following is$($are$)$ true regarding the solar

gain on windows?

A$.$ The solar gain due to north$-$facing windows is greater

than the solar gain due to south$-$facing windows.

B$.$ The solar gain due to east$-$facing windows is greater

than the solar gain due to west$-$facing windows.

C$.$ The solar gain due to west$-$facing windows is greater

than the solar gain due to east$-$facing windows.

D$.$ The solar gain due to south$-$facing windows is greater

than the solar gain due to north$-$facing windows.

Which of the following statements best describes the rea$-$

son why heat gain and heat loss calculations should be

performed?

A$.$ To make certain that the cooling system will be able to

cool the structure, even on the hottest day of the year

B$.$ To make certain that the heating system will be able

to heat the structure, even on the coldest day of the

year

C$.$ To properly size heating and cooling equipment based

on design temperatures for the city in which the

equipment will be installed.

D$.$ To properly match the square footage of the structure

to the heating and cooling equipment's nameplate

capacity

Which of the following statements is most likely true

regarding two insulation materials, one with an R$-$value

of $20$ and the other with an R$-$value of $10?$

A$.$ The $R-10$ material will prevent heat from passing

through it better than the $R-20$ material.

B$.$ The $R-20$ material will prevent heat from passing

through it better than the R$-10$ material.

C$.$ The R$-10$ material will likely be thicker than the R$-20$

material.

D$.$ The R$-20$ material will likely be thinner than the R$-10$

material.

Which of the following statements is true regarding the

relationship between a material's R$-$value and its U$-$value?

A$.R-$value $U-$value $=1$

B$.R-$value $U-$value $=1$

C$.$ R$-$value $+U-$value $=1$

D$.R-$value $-U-$value $=1$