Which refrigerant will likely become scarce after the year 2020?
a. HCFC-123
b. HFC-410A
c. HFC-134a
d. Ammonia
a
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Name the three plans incorporated into one set of site plans.
What will be an ideal response?
?When an engine produces sufficient exhaust flow to spin a supercharger or turbocharger enough to create boost, this is referred to as __________.
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. Nonmetallic-sheathed cable always contains copper conductors. 2. Fiber bushings are required for all types of wiring. 3. Flexible metal conduit is a suitable choice for wet locations. 4. Rigid metal conduit may be used underground, concealed in walls, and in exposed areas.
What color wire is always the hot wire and must be protected by a circuit breaker or fuse?
A. Black B. White C. Red D. Blue