Which of the following is the correct definition for the root opening?
A. the allowed space between parts
B. the actual depth of the chamber or groove
C. the actual resistance between two parts
D. none of the above
Answer: A
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The unit for measuring electrical pressure (force) is _____.
A. amperes B. ohms C. volts D. watts
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An alternating current motor's speed is determined by the frequency of the power supply only.
Answer the following statement true (T) or false (F)
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Hydropower is the most widely used form of renewable energy for generating electricity
Indicate whether the statement is true or false.
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Does a potentiometer, or tensiometer, measure soil-moisture potential?
Indicate by YES (Y) or NO (N).
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