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

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The process that allows an organism to remain stable in changing conditions is:

a. homeostasis c. osmosis b. diffusion d. plasmolysis

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?As the percentage of carbon increases, ____ can cause hot shortness and porosity.

A. ?carbon B. ?sulfur C. ?phosphorus D. ?manganese

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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

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