What is the most commonly used workholding device on the surface grinder?
A) Mechanical clamping of the work B) The permanent magnetic chuck
C) The electro-permanent chuck D) The electromagnetic chuck
B
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Multiple push-button stations are used to control conveyor motors ____.
a. on industrial refrigerating installations b. on large shipping and receiving freight docks c. on FCC towers in oil refineries d. on vacuum towers in oil refineries
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Once a water-softener installation is completed, the unit must be _____.
a. backwashed b. decontaminated c. disinfected d. calibrated
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Yeast is added to bread to achieve which of the following?
a. darker color c. flatter taste b. fluffier volume d. chunkier texture
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Carbon that is contained in biomass (trees, shrubs and grasses) is called ________________.