The four principal types of roller bearings are cylindrical, needle, spherical, and ____________________.
Fill in the blank(s) with the appropriate word(s).
tapered
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Where is the reversing valve located in a split-system air-to-air heat pump?
a. Air handler b. Indoor coil c. Heat exchanger d. Outdoor unit
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Final adjustment of a deck slab's elevation is done using _____.
a. hanger clamps b. wedges c. haunches d. leveling screws
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The most widely used types of packaged units in residential air-conditioning applications that use air to remove the heat from the condenser are ____________________ packaged units.
Fill in the blank(s) with the appropriate word(s).
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What are the advantages of a hot spray washer?
What will be an ideal response?
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