On an R-11 or R-123 system, the refrigerant removal process normally starts with the removal of ____.
A. water
B. liquid refrigerant
C. vapor refrigerant
D. oil
Answer: B
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You need to convert 12.125 to a fraction that you would find on a tape measure. Which value would you multiply with 0.125?
a. 16 b.8 c. 4 d. 2
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A ho?use uses an average of 986.7 kWh of electricity each month. A solar PV array produces an average of 
of that amount. How much electricity must be purchased from the utility company each month?
Fill in the blank(s) with the appropriate word(s).
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____________________ is the standard metric expression for pressure.
Fill in the blank(s) with the appropriate word(s).
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Pinch weld clamps are nylon straps that can be wrapped around parts during pulling.
Answer the following statement true (T) or false (F)
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