IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
Flow controller
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____ is the removal of base and weld metal from the other side of a joint that has been groove welded.
A. Front gouging B. Back gouging C. Back filling D. Back notching
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When the control coil is energized in a standard SAE relay, which of the following relay circuits is switched to closed status?
A. 1 - 2 (86 - 85) B. 2 - 3 (85 - 30) C. 3 - 4 (30 - 87a) D. 3 - 5 (30 - 87)
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Steel, stainless steel, aluminum, copper, and zinc alloys are most typically used for metal roofing.
Answer the following statement true (T) or false (F)
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Which duct system pressure is typically found in commercial duct systems, but not residential systems?
a. +/-0.5 in wc b. +/-1.0 in wc c. +/-3.0 in wc d. +/-12.0 in wc
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