PROBLEM SOLVING:

I.

An air conditioned room that stands on a well ventilated basement measures $4m$ wide, $4m$ high and $7m$ deep. Wall # $1(4m$ wide $4m$ high$),$ contains a glass window of size $2m$ by $2m.$ Wall # $2(4m$ high $7m$ long$)$ has no windows on it$.$ There are no heat gains through the walls # $3$ and $4$ but there are heat gains through walls # $1$ and # $2.$

$($a$)$ Calculate the total sensible heat load in Watts