Drawings used to meet ____ standards have three line thicknesses: thin, medium, and thick.
A. ANSI
B. residential
C. military
D. ISO
Answer: C
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How many railroad trains pass through your city each week? What percentage of these are passenger trains?
What will be an ideal response?
Senator McCarthy's anti-communist crusade ended when he
A. began to attack the personal integrity of General George C. Marshall. B. alleged that there were communists in Hollywood. C. alleged that there were communists in the Foreign Service. D. alleged that many college professors were communists. E. maliciously and recklessly attacked the U.S. Army for allegedly sheltering communists.
A square groove weld symbol is assumed to have a root opening if there is a value shown within it.
Answer the following statement true (T) or false (F)
What organization helps coordinate emergency forces in response to chemical hazards?
A. U.S. Coast Guard National Response Center B. Chemical Transportation Emergency Center C. National Response Center D. all of the above