The abbreviation for refrigerants containing fluorine, carbon, and hydrogen is ____.
A. HFC
B. HCFC
C. CFC
D. HFAC
Answer: A
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Los electrodos de placa, pica y tuberÃa deben tener una resistencia a tierra igual o inferior a _____ ohmios.
a. 10 b. 25 c. 40 d. 60
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What is a counter-balancer?
What will be an ideal response?
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The floor area of a blueprint room is 68 square meters. What is the area to the nearest hundredth square yard?
What will be an ideal response?
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The sensing element of a micron gauge must always be mounted with the fitting at the ____________________.
Fill in the blank(s) with the appropriate word(s).
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