Always connect ammeters ____.
a. with the pointer at zero
b. with the pointer downhill
c. in series
d. in a laboratory setting
c. in series
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____ testing determines the stress level a metal can withstand without failure when subjected to an infinitely large number of repeated alternating stresses.
A. Tensile B. Hardness C. Impact D. Fatigue
The process that allows an organism to remain stable in changing conditions is:
a. homeostasis c. osmosis b. diffusion d. plasmolysis
?As the percentage of carbon increases, ____ can cause hot shortness and porosity.
A. ?carbon B. ?sulfur C. ?phosphorus D. ?manganese
If the sealing surfaces of a cutting tip are damaged, _____
a. carefully file them to remove the damage b. apply a coat of silicone sealant c. dress them with a tip cleaner d. discard the tip