Mechanically held relays and contactors are often used because _____.
a. they have fewer coils than electrically held devices
b. they have more coils than electrically held devices
c. they are quieter than electrically held devices
d. they are more reliable than electrically held devices
c. they are quieter than electrically held devices
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Fill in the blank(s) with the appropriate word(s).
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Plastic is not affected by moisture
Indicate whether the statement is true or false.
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Name the opening in the floor for the stair framing to pass through.
What will be an ideal response?
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Answer the following statement true (T) or false (F)
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