Filler materials used in the connection of copper joints are composed of ____.
A. 50/50 tin-lead
B. 95/5 tin-antimony
C. 15%-60% silver
D. bronze rod
Answer: C
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On carbureted engines, a _____ supercharger system pressurizes the air cleaner above the carburetor or fuel injection system.
A. flow-through B. blow-through C. draw-through D. pumped-through
Which of the following principles of equality would be used to solve the following equation? 5x = 20
Fill in the blank(s) with the appropriate word(s).
What is the purpose of cooling tower fill material?
A) provides a growing surface for algae and plants that help clean the water B) increases the rigidity of the cooling tower structure C) slows the falling water and increases the surface exposure for evaporation D) filters out dirt and debris from the cooling tower water
What is a conductor? A semiconductor?
What will be an ideal response?