A 24-volt, 40VA transformer can sustain a current load of _____.

a. 0.6A
b. 1.7A
c. 16A
d. 64A


b. 1.7A

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A solution of _____ can be used to remove efflorescence that cannot be removed by washing the wall with water.

A. three parts vinegar to one part water B. two parts glycolic acid to one part water C. one part hydrochoric acid to five parts water D. one part muriatic acid to nine parts water

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The connection paths for telephone service were all initially designed for what type of transmission?

A. Electronic B. Digital C. Wireless D. Voice

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How do you adjust an Allison hydromechanical valve body to correct shift points?

A. using a valve ring adjusting tool B. increasing or decreasing valve spring pressure C. both A and B D. neither A nor B

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A distribution duct has an area of 2.1 sq ft and an air speed of 340 ft/ min. A side duct of 1.0 sq ft splits off. The main duct reduces in size to 1.4 sq ft. What is the air flow in the main duct after the split?

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

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