Smart electric grids
A) involve a two-way flow of energy and information between consumers and producers of commercial energy.
B) are not energy-efficient.
C) are not commonly used because they are large investments with minimal returns.
D) involve a one-way transmission of energy between consumers and producers of commercial energy
E) are an energy-efficient substitute for major household appliances..
Correct Answer:
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Q2: To reduce energy waste, we must
A)increase energy
Q3: The easiest, cleanest, most environmentally sound, and
Q13: The flow of waste heat into the
Q14: Cogeneration units
A) produce both heating and cooling.
B)
Q15: Electric cars
A) are noisy.
B) have been totally
Q17: _ of the commercial energy used in
Q19: Industry can reduce its energy consumption by
Q22: A sustainable energy future would have all
Q23: Which of the following receives most of
Q50: Cells that convert solar energy directly into
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