What is the normal pressure range for compound pressure gauges made for use on systems with older refrigerants such as R-22 or R-134a?
A) 0 - 30" Hg vacuum and 0 - 350 psig pressure B) 0 - 800 psig pressure
C) 0 - 30" Hg vacuum and 0 - 120 psig pressure D) 0 - 500 psig pressure
C
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In resistance welding, ____ is applied to ensure a continuous electrical circuit and to forge the heated parts together.
A. heat B. a chemical spray C. a plasma arc D. pressure
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No finer construction timber exists than that taken from which area of the United States?
a. Northeast c. Southeast b. Pacific Northwest d. Midwest
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Horn circuits are generally protected by a __________
A) Fuse B) Fusible link C) Either A or B D) Neither A nor B
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The real advantage that DSL provides is the increased bps rate obtained on the standard copper pair
Indicate whether the statement is true or false
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