Facial expressions are what type of communication?
A) Verbal B) Implied C) Written D) None of these
D
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Dynamic braking for a DC motor is very effective, but the braking effect becomes weaker as the armature slows down.
Answer the following statement true (T) or false (F)
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Why do many people choose potted plants over cut flowers?
What will be an ideal response?
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Hydrogen is commonly stored at what pressure?
A) 1000 PSI B) 5000 PSI C) 50,000 PSI D) 100,000 PSI
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What is the main difference between a heat pump and a fossil fuel furnace?
A) Heat pumps move heat instead of creating it. B) Fossil fuel furnaces have been around longer. C) Fossil fuel furnaces are hotter. D) Heat pumps are easier to install.
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