Which of the following is a common name for a lighting trolley plug-in device?
a. Wall pack
b. Cobra head
c. Twistout
d. Bay
c. Twistout
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If galvanized metal is being soldered or if tin-lead solder is being used, additional ventilation should be provided to prevent ____________________ poisoning.
Fill in the blank(s) with the appropriate word(s).
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A digital caliper with an LCD measures either English or metric units to an accuracy of 0.0005.
Answer the following statement true (T) or false (F)
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Fillets are slightly rounded outside curves at corners.
Answer the following statement true (T) or false (F)
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A ____ converts the non-linear output of a sensor to a linear signal.
A. square root extractor B. adaptive controller C. both a and b
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