When is the optimal time for determining a system's balance point?
A) after installing electrical strip heat B) before purchasing a heat pump system
C) when outdoor temperatures are moderate D) when you run the system at full capacity
B
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A diamond with a solid colored triangle at the top and bottom that are connected by a vertical line represents a/an __________________.
A. accumulator B. filter C. reservoir D. cooler
Compared to relay logic systems, solid-state logic systems:
A) Use less power to operate. B) Consume about the same amount of power to operate. C) Use more power to operate. D) Consume no power to operate.
Tying one input of a NAND gate directly to ground
A) forces the output to 0. B) has no effect on the output. C) creates an invalid condition. D) forces the output to 1.
Binary counters are one type of circuit that can be constructed from flip-flops
Indicate whether the statement is true or false