Question#$2$:

$(5$ Points$)$

A bank has an average occupancy of $120$ person, out of which $80$ persons use a single swing door and

the other $40$ person use a revolving door. Doors are are located in more than one wall. If the inside and

outside design conditions are DB$,\{$:$50\%RH),$ and DB$,$ and $\{$:$70\%RH),$ respectively.

Determine the following:

a$-$ Sensible heating load due to infiltration.

b$-$ Total heating load due to infiltration.

c$-$ Latent heating load due to infiltration.