____ are used to make a weld through the surface of a plate to a plate located directly behind the top plate.
A. Edge welds
B. Plug welds
C. Tack welds
D. Butt welds
Answer: B
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If a furnace is found with a puddle of oil in the combustion chamber, _____.
a. fire the burner for one or two seconds at a time b. manually light the oil and allow it to burn away c. turn on the main blower until it evaporates d. pump out or soak up the excess oil from the chamber
A new emerging crop, lesquerella, is sought after by the ____ industry
a. cosmetic c. pharmaceutical b. food d. scientific research
Section 609 of the Act gives EPA the power to enforce _____________
A) Preventing the release or venting of CFC-12 or HFC-134a B) Technicians are required to use approved equipment to recover and recycle CFC-12 and HFC 134a C) Technicians who repair or service CFC-12 and HFC-134a systems must be trained and certified by an EPA-approved organization D) All of the above
Construction documents are drawings and written specifications prepared and assembled by architects and engineers for communicating the design of the project and administering the construction contract.
Answer the following statement true (T) or false (F)