What material is recommended for a vent connector on all non-condensing, induced-draft furnace
installations?
a. PVC pipe
b. Stainless steel pipe
c. Single-wall pipe
d. Type B vent pipe
d
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This process is like straight vacuum forming except air pressure and a vacuum assist may be used to force the hot plastics into a female mold.?
A. ?free forming B. ?trapped-sheet contact-heat pressure forming C. ?mechanical forming D. ?pressure-bubble vacuum snap-back forming
Brooding lasts _____
a. an average of 3 to 4 weeks b. up to 24 hours c. between 36 and 72 hours d. no more than 7 days
What is the minimum possible resistance value of a resistor with color bands: a=brown, b=black, c=red, d=gold?
A. 990 ? B. 105 ? C. 1050 ? D. 1010 ? E. 950 ?
The contacts in a potential relay are:
A) Either normally open or normally closed depending on the compressor. B) Modulating type contacts. C) Normally open. D) Normally closed.