____ are materials that do not permit electrons to flow through them easily.
a. Alternators
b. Thermocouples
c. Insulators
d. Conductors
c. Insulators
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Selection and sizing of air ducts is based on _____.
a. air volume b. height c. air temperature d. duct location
Investigate the following products, noting any design defi ciencies to be addressed or features you believe should be added: vacuum cleaner, clothes dryer, snow blower, popcorn popper, toaster, coff ee maker, and telephone answering machine.
What will be an ideal response?
When a soap bubble solution is used to detect leaks in a system, the solution is __________ or __________ onto the piping circuit, primarily at __________. The formation of bubbles indicates that __________.
What will be an ideal response?
Fewer fins per inch on an evaporator allow more ice to build between defrost cycles.
Answer the following statement true (T) or false (F)