____ are designed for use in situations where the mating thread is created by the fastener.

A. Screw thread inserts
B. Lag screws
C. Diamond shaped wire screws
D. Cap screws
E. none of the above


Answer: E

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What should be drained, cleaned, and flushed on a regular basis?

A) The compressor and blower B) The sump and all water lines C) The cooling tower basin D) The evaporative condenser

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The U.S. dairy industry is almost exclusively:

A. goats B. cattle C. sheep D. water buffalo

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A steel tank measures 48" X 24" X 36". If the tank itself weighs 400 lbs and is 38% full, what percentage of the total weight is represented by the tank?

Fill in the blank(s) with the appropriate word(s).

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Preventative maintenance activites for the DTA may include: PC software updates, inspection of wire and cable terminations, along with __________.

A. inspection of the power conversion system B. inspection of the nacelle exterior C. inspection of the blade bearing D. none of the answers are correct

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