____________________ trace elements are made by adding salts to molten glass, which is poured into
cold running water. The glass cools and shatters; the pieces are then ground into fine powder.
Fill in the blank(s) with the appropriate word(s).
ANS: Fritted
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The simplest type of lead or guide for a wall is called a ______ lead.
A. return B. half-back C. straight D. rack-back
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The angle of a piping offset that has a set of 5 inches and a travel of 10 inches is _____ degrees. (Refer to the figure above.)
a. 22-1/2 b. 30 c. 45 d. 60
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The ____________________ line is the maximum depth that the soil freezes in cold weather
Fill in the blank(s) with the appropriate word(s).
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A reluctor is a ________
A) Type of sensor used in the secondary circuit B) Type of Hall effect sensor C) Type of optical sensor D) Notched ring or pointed wheel
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