Define power as it relates to electric circuits.
What will be an ideal response?
Power is the rate at which energy is delivered to a circuit. Power is also the rate at which energy (heat) is dissipated by the resistance in a circuit.
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The 21st century section of this chapter lists technologies that some futurists believe might die out in this century. Research two such technologies, and explain why they might die out and what would probably replace them.
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
In a cabinet installation, the drawer type should match the door type.
Some furnaces use two automatic shutoffs that are mechanically in series to provide additional safety. What type of valves are these?
A) Direct-acting valves B) Intermittent valves C) Diaphragm valves D) Redundant valves
What smoke spot number represents correct combustion in newer burners?
A) 2 or less B) 1 or less C) 1 or more D) 0