The symbol for profile tolerance of a surface is an arc the height of the lettering.
Answer the following statement true (T) or false (F)
False
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____ are materials that permit electrons to flow through them easily.
a. Conductors b. Insulators c. Semiconductors d. Liquids
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To anchor both wythes of a wide wall together, you should periodically place
a. a steel rod running face to face. b. wood timbers along the interior of the wall. c. a diagonal stone running face to face. d. mortar mix.
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When does a PG mix maximize its antifreeze protection?
A. 100% PG B. 60:40 PG to water mix C. 50:50 mix D. 40:60 PG to water mix
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How are transformers in the HVACR field rated?
A) by primary power output B) by induction ratio C) by secondary power output D) by step-down capacity
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