High quality welds can be made rapidly with excellent uniformity on a wide variety of metals and thicknesses when using the ____ welding process.
A. soldering
B. shielded metal arc
C. gas tungsten arc
D. stick electrode
E. both b and d
Answer: E
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Technician A says that the metric pressure unit of 1 bar represents is actually slightly less than one unit of atmospheric pressure (14.7 psi/ 101.3 kPa). Technician B says that 2 bar is exactly equivalent to 200 kPa. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Which type of duct undergoes more rigorous testing before it is labeled?
A) Polycarbonate molded duct B) Galvanized sheet metal duct C) Flexible duct D) Flexible duct connector
When transferring refrigerants from a cylinder to a refrigeration system or any other container, you should always wear ____.
A. goggles with side shields and gloves B. heavy protective clothing C. rubber gloves D. industrial steel-toed shoes and an insulated cap
A screwdriver may be used to remove the dust cap.
Answer the following statement true (T) or false (F)