Shielding gases in the gas metal arc process are used primarily to protect the molten metal from oxidation and ____________________.
Fill in the blank(s) with the appropriate word(s).
contamination
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For most materials, their strength is directly related to their modulus of elasticity, i.e., the greater the strength of the material, the greater its modulus of elasticity. Is there a material whose modulus of elasticity is not related to its strength but is constant, i.e., it has a fixed value regardless of the material's strength? If so, name the material and provide its modulus of elasticity
value. What will be an ideal response?
What are at least five things to consider when studying an occupation?
What will be an ideal response?
The speed of a sound wave in air is about
a. 340 Hz b. 340 ft/s c. 340 m/s d. 1100 m/s e. 1 m/s
Alternatives to lawns include native groundcovers and drought resistant, slow growing, regionally appropriate grasses such as ____.
A. Sheep Fescue and turf grass B. turf grass C. Sheep Fescue and Bermuda D. Bermuda and turf grass