When a cutting job is completed and the oxyfuel equipment is no longer needed, the first step in shutting down
the oxyfuel cutting equipment is to _____.
a. close the fuel gas cylinder valve
b. back out the fuel gas and oxygen regulator adjusting screws
c. open the fuel gas torch valve
d. open the oxygen torch valve
a
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When a cooling system using true (premix) ELC needs to be topped up, which of the following is correct?
A. drain and flush system B. add premix C. add distilled water only D. add ELC and distilled water mixture
What is a service valve wrench?
A) A tool used to change the core in Schrader valve B) A pair of pliers that is used to turn a manual service valve stem C) A wrench used to install service valves on a hermetic system D) A ratchet wrench with square openings that fit service valve stems
CAD and CAM were traditionally the best link for design and manufacturing until CIM came along.
Answer the following statement true (T) or false (F)
A ____________________ pin has a loop at the end.
Fill in the blank(s) with the appropriate word(s).