_________________________ has lower equipment and operating costs than other types of welding.
Fill in the blank(s) with the appropriate word(s).
oxyacetylene
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For a signal or voice to be heard, it should be at least ____ decibels louder than the surrounding noise level at the work station.
A. 5 B. 10 C. 15 D. 20
Although not visible, the development of inclusions can be expected if prior welds were improperly cleaned or had a poor contour.
Answer the following statement true (T) or false (F)
When selecting a point to tie off your own body harness, you should always choose an anchorage point that is _____.
a. at least 20' above where you will be working b. directly below your working position c. capable of supporting at least 5,000 pounds d. low enough to allow you to drop to the ground from the end of your lanyard
In a series circuit, all of the resistances are ____ and then substituted in Ohm's law together to equal total resistance (R).
A. added together B. multiplied together C. subtracted from one D. divided by the largest resistance