Question

the \edge effect\ with respect to windows causes
frame deformation
cracked glass
difficult operation
condensation around the perimeter
lost seals on double and triple glazed units
question 6
all of the following are common window types except
double hung
single hung
casement
pocket
horizontal slider

Explanation:

Answer:

(1) D. condensation around the perimeter
(2) D. [pocket (assuming it's a mis - spelt or non - standard window type, while the others are common window types)]