The micron gauge is used to measure the level of vacuum reached during the evacuation process.
Answer the following statement true (T) or false (F)
True
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Which of the following is a similarity between FCAW and GMAW?
A. Both use CC welding power supplies. B. Both use CP welding power supplies. C. Both use the same welding power supply as stick welding. D. Both must use constant welding current power supplies.
What is the primary function of an EPR valve?
a. Maintains a minimum suction pressure at the compressor. b. Keeps pressures and temperatures up in the evaporator. c. Prevents compressor overload during hot pull-down.
An automotive engine that running at too high of a temperature will have which of these?
A) High oxides of carbon B) Poor cooling system circulation C) Excessive oil consumption D) High thermal inefficiency
All SMAW electrodes used for code-governed work must have the AWS classification number printed on them
as well as on the _____. a. container in which they are shipped b. oven in which they will be stored c. matching electrode holder d. final weld