Practically all room air conditioners used in commercial buildings are ____ style.

A. casement
B. fixed mount
C. sleeve mount
D. all of the above


Answer: C

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One of the main incentives for using section views is to reduce the use of ____.

A. orthographic views B. cutting planes C. section partitions D. hidden lines

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To position cable so that it is not under tension, it is necessary to _____.

a. shield conductors b. terminate conductors c. train conductors d. brace conductors for short circuit stresses

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A 64DP knurl is coarser than a 128DP knurl.

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

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After servicing a system using a bolt-on piercing valve, the technician should:

A) Recover the refrigerant, remove the bolt-on valve, and replace it with a permanent valve. B) Simply remove the gauges because most bolt-on valves are self-sealing. C) Close the bolt-on valve, remove the gauges, and put on the valve cap. D) Remove the bolt-on valve and quickly braze up the hole.

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