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 5.4 Questions for Self-study
Instructions: Choose the one answer you believe is correct. Answers to questions
are in Appendix F.
5-1 What activity is possible with tempered glass?
a) Carry it horizontally
b) Carry it vertically
c) Cut it to size at the job site
d) Spray cold water on it at noon
5-2 What is the best way to weatherproof leaking collector frames?
a)
b)
Welding
c)
Silicone sealant
d)
Riveting on sheet metal patches
5-3 Which of these types of hardware will quickly corrode aluminum collector
frames?
a)
Galvanized steel
b)
Stainless steel
c)
Cadmium-plated steel
d)
Aluminum
5-4 How large should weep holes be?
a)
1/16"
b)
1/8"
c)
3/16"
d)
1/4"
5-5 Which of these is an acceptable replacement insulation to use inside a
collector?
a)
Polystyrene
b)
Polyethylene
c)
Elastomeric foam
d)
Polyisocyanurate foam
REPAIR
5.3 SAMPLE REPAIR RECORD SHEET
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