For safety, assume that any facility constructed before 1980 contains _____.
a. asbestos
b. confined spaces
c. GFCIs
d. PCBs
a. asbestos
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What are the energy conservation gains from the following:
a. Switching from a single 60-watt incandescent bulb that burns for 6 hours per day to a 13-watt CFL. b. Using pure biodiesel instead of motor gasoline for an automobile that travels 60,000 miles per year with a fuel economy of 28 mpg. c. Replacing a heat pump with a COP of 3.2 with a heat pump with a COP of 2.6, if the heating load is 43.3 million Btu per year. d. Replacing an air conditioner with an EER of 11 with a unit that has an EER of 14, if the cooling load is 22 million Btu per year. e. Upgrading a natural gas furnace from one with 88% efficiency to one with 92% efficiency, if the heating load is 55 million Btu per year. What will be an ideal response?
Fractionation occurs when ____.
A. some of a blended refrigerant evaporates or condenses before the rest of the blend B. when only a fraction of the total charge has been added to a system C. the operating pressures of a system increase D. Both a and c.
Under what circumstances might it be desirable to have a field batching plant for job-mixed concrete?
What will be an ideal response?
Flat rate pay means _______
A) The technician is paid according to the job, not the number of hours worked B) The same pay (flat rate) every week C) The technician is paid overtime D) The same number of hours every week