Technician A says that GMAW aluminum welding uses argon and is therefore truly an MIG welding process. Technician B says that when silicon bronze welding, a TIG welding is used. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
A. Technician A only
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____ circuit interrupters should be provided for all single-phase, 125-volt, 15- and 20-amp receptacles in dwelling unit locations.
a. Air-fault b. Ground-fault c. Underground d. Floor
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Match the angle type to its description.
A. straight angle B. acute angle C. obtuse angle D. right angle
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How can the presence of non-condensables be detected in a refrigerant cylinder?
What will be an ideal response?
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Why is a vibrating wire strain gage appropriate for damp environments?
A) strain is not affected by humidity B) it is a sealed unit C) frequency is not affected by humidity D) all of the above
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