The lower temperature used in ____ does not tend to create hard spots where the base metal becomes hardened.
A. welding
B. brazing
C. hard surfacing
D. soldering
Answer: B
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Sketch the symbol for a square butt weld.
What will be an ideal response?
Liquidtight flexible metal conduit (LFMC) is a raceway of circular cross section having a(n) ____ over an inner flexible metal core.
A. outer liquidtight, nonmetallic, sunlight-resistant jacket B. inflexible PVC coating C. immersible (water tight) surface D. sunlight-resistant, rigid, metallic outer jacket
Match the definition to the correct term.
A. Fat. B. Cud-chewing animal with a forestomach. C. Respiratory disease caused by bacteria and or viruses. D. Scientists who studies parasites.
In a(n) ____ gate, a 1 occurs only when 0 is applied to both inputs. A 1 input produces a 0 output.
A. XNOR B. XOR C. NOR D. NAND