Compare and contrast sustainability and the “green movement.”
What will be an ideal response?
Sustainability is a concept rather than a movement. Sustainability involves the principles of wise use, just as traditional
conservation did, but it adds the corollary that wise use should not totally exhaust a resource. The so-called
green movement is an offshoot of the sustainability idea, but it is an activist movement rather than a concept
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The main types of over current protection used for a condensing unit are
A) Magnetic overload relays B) Condensing units do not require over current protection C) Fast blowing fuses D) Time delay fuses or an HVACR circuit breakers
The shape of the tooth on a gear is called:
A. Tooth form. B. Tooth angle. C. Tooth pitch. D. Tooth taper.
Cast iron has about how much carbon content?
A) Less than 1% B) 4% or higher C) 2% D) 3%
Answer the following statement(s) true (T) or false (F)
AC range will read on a DC application, but DC will not read on an AC voltage.