What state is fuel-sourced particulate matter (PM) in as it exits the tailpipe?  

A. solid
B. liquid
C. gaseous
D. plasma


Answer: A

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Estimate the avoided yearly CO2 emissions 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 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. d. 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?

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A 6-sided figure is called what type of figure?

Fill in the blank(s) with the appropriate word(s).

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Describe the connection setup for vapor recovery

What will be an ideal response?

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Although the input voltage to the transformer's primary is correct, the transformer is outputting zero volts. A probable trouble is ________

A) a partially shorted secondary B) an open primary C) a partially shorted primary D) a shorted primary

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