The temperature of the water returning to a chiller used for comfort cooling is typically about _____

a. 35°F
b. 45°F
c. 55°F
d. 65°F


c

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Students will find it easier to start with ____ joints.

A. tee B. lap C. outside corner D. butt

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The accompanying figure shows an assortment of mechanical symbols. What is the third symbol from the top?

A. Diaphragm valve B. Angle globe valve C. Ball valve D. Butterfly valve

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What is the most common method of detecting an SSB signal?

A. Phase-locked loop B. Mechanical filter C. Product detector D. Voltage-controlled oscillator

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A ventilated rotor has ____________________ cast between the braking surfaces.

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

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