Because soldering and brazing are similar processes, both are classified by the American Welding Society (AWS) as ____________________.
Fill in the blank(s) with the appropriate word(s).
liquid-solid phase bonding
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Where does a wrist pin fit to a piston?
A. upper ring land B. piston crown C. pin boss D. lower oil control groove
Which of these is NOT used for cooling the electronics/motors of a hybrid electric vehicle?
A) Air cooled B) Engine cooling system C) Coolant separate from the engine cooling system D) None of these are used
Hanging feeders should be filled only three-fourths full
Indicate whether the statement is true or false.
What is the operating principle of glass stem thermometers?
A) The refractive properties of the glass stem change with temperature, making the fluid level appear higher at higher temperatures. B) The fluid inside the thermometer boils as it is heated, causing the liquid level to rise. C) The fluid climbs the walls of the tube through capillary attraction, which works better at higher temperatures. D) Expansion and contraction of the fluid makes the liquid level rise and fall with temperature.