What is the purpose of purging with nitrogen while brazing?
A) To help the flame burn a little hotter
B) To check for leaks at the same time you are brazing
C) To blow the oxides off the walls before it has a chance to firmly adhere
D) To prevent oxide formation inside the pipes
D
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A. 24 B. 22 C. 16 D. 18
Turbo damage by a foreign object is being discussed. Technician A says to look at the valves to determine from which direction the damage came. Technician B says compressor wheel damage results from objects entering the intake stream. Who is correct?
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A John Deere assembly plant is an example of _______________ technology
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The maximum number of 14 AWG conductors with THHN insulation that you could install in a 3/8-inch trade-size Type FMC is __________ if the connector fittings are inside or __________ if the connector fittings are outside. (Assume the use of a grounding conductor)
a. 1, 2 b. 3, 4 c. 4, 5 d. 5, 6