When the stem of a butterfly valve is parallel to the line of flow, the valve is _____.

a. closed
b. half-closed
c. open
d. dysfunctional


c. open

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Unsaturated molecules contain some ____ bonds. ?

A. ?hydrogen B. ?metallic C. ?double D. ?ionic

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According to TROT, what is the standard evaporator superheat for a medium temperature walk-in?

a. 2° b. 10° c. 22° d. 30°

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Zoning simply means dividing the structure into more than one conditioned space or zone

Answer the following statement true (T) or false (F)

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The list price for T-squares is $39.50 per dozen. There is a trade discount of 10% per dozen. Find the cost, to the nearest cent, of each T-square if a company buys a dozen.

What will be an ideal response?

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