Before installing a manifold gauge set on a refrigeration unit make sure:
A. The service valves are back seated
B. The service valves are mid seated
C. The service valves are mid seated 
turn clockwise
D. The service valves are front seated
Answer: A
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The AWS classification for stainless steel for FCAW electrodes starts with the letter ____ as its prefix.
A. B B. C C. D D. E
The oxyfuel flame that has a white feather created by excess fuel is called a(n) _____.
a. neutral flame b. carburizing flame c. oxidizing flame d. sublimating flame
After a plant cutting has been taken, what is the substance it is applied to make the plant part form roots?
What will be an ideal response?
The reason for properly grounding tools and equipment is simple. If the insulation on a conductor becomes damaged or an energized conductor comes loose from a terminal connection in a piece of equipment, it is possible to __________ the surfaces that these conductors come in contact with. If the equipment is not properly grounded and someone comes in contact with an electrified surface, __________ or __________ could occur.
What will be an ideal response?