One type of alternating current motor that can use variable voltage for speed control is the ____________________ or AC series motor.
Fill in the blank(s) with the appropriate word(s).
universal
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The inward or outward tilt of the tire at the top is called the ____________________ alignment angle.
Fill in the blank(s) with the appropriate word(s).
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HVACR equipment placement may be affected by local ordinances governing:
A) Noise. B) Traffic. C) Vibration. D) Costs.
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For rigid plastic foam insulation, furring members should be installed _____
a. vertically and spaced 24" on center b. horizontally and spaced 24" on center c. vertically and spaced 18" on center d. horizontally and spaced 18" on center
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The ratio 2 1/2 to 3 can be change to a ratio of 5 to 6.
Answer the following statement true (T) or false (F)
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