A threading tool should:
A) Have no side relief angle
B) Be ground to off set any built in back rake from the holder, thus giving it zero rake
C) Have a negative rake since it has a tendency to "dig in"
D) Be checked with a drill gage
B
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Describe the characteristics of typical drinking fountains.
What will be an ideal response?
Per capita butter consumption has been decreasing since 2001
Indicate whether the statement is true or false
Water-cooled condensers using sea water are usually designed and built to permit periodic cleaning by ____.
A. brushing the tubes B. acid treatment C. back finishing D. All of the above.?
One unique problem with rooftop units installed in a seacoast area is that
A) the prevailing winds reduce the cooling capacity of the condenser B) systems with a high sensible capacity are required because of the low humidity in coastal areas C) codes in coastal areas typically require a minimum 3 foot ground clearance to allow for flooding D) salt spray accelerates corrosion of metallic parts, especially the condenser coil