Which type of circuit is uncommon in HVACR work?

a. Series circuit
b. Resistive circuit
c. Parallel circuit
d. Transformer-powered circuit


a. Series circuit

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The _____________________ is a muscular structure that separates the chest cavity from the abdominal cavity

Fill in the blank(s) with correct word

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Most rigid refrigerant lines are made of ________

A) Steel B) Titanium C) Aluminum D) Copper

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The extremes in a proportion are the two outside terms.

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

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Use the accompanying diagram, which contains two similar triangles. If side a is 2 inches, side b is 9 inches, and side B is 18 inches, find side A in inches.

A. 3 B. 4 C. 5 D. 6

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