Normally, a split AC system that uses a fixed metering device can safely operate at temperatures:
A) Above 65°F. B) Above 90°F. C) Above 70°F. D) Above 50°F.
A
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Which of the following characteristics is an advantage for using an electromechanical relay versus a solid-state relay?
a. Arcless switching b. Longer life expectancy c. Ability to withstand surge currents d. Faster response time
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A(n) ____ is a combinational logic circuit that accepts one or more inputs and generates a multibit binary output.
A. decoder B. encoder C. multiplexer D. comparator
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A voltaic cell is constructed of two unlike metals and a(n) _____, alkaline, or salt solution.
A. ion B. saline C. salty D. acid
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