Technician A says that the bulb trade number is the same for all bulbs of the same size. Technician B says that a dual-filament bulb has different candlepower ratings for each filament. Who is right?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
B
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A beam that has one end fixed at a support and the other end unsupported is a _____.
a. cantilever beam b. continuous beam c. simple beam d. fixed beam
?What can be done to prevent the weld bead becoming too built up when restarting a weld?
A. ?Tapering the weld down before stopping to make the restart more even. B. ?Start the next weld slightly in front of the ending point of the last weld. C. ?Make an electrode change before the rod gets too short so you see the weld better. D. ?Use a long arc on the starting electrode and hold the arc in one place so it melts the buildup down before restarting the weld.
A house is built on property whose soil is rich in uranium. The occupants of the house may ____.
A. be exposed to radon gas B. be more susceptible to lung cancer C. smell the pungent odor of the radon D. both a and b
All American Presidents since WW II have embraced freer trade
Indicate whether the statement is true or false