?Which organization has a standard numbering system for sizing cutting tips?

A. ?American Welding Society
B. ?OSHA
C. ?National Bureau of Standards
D. ?There is no standard


Answer: D

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When heat is transferred by currents in liquids, the principle is known as:

A. conduction B. convection C. radiation D. evaporation

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New bulbs are best stored at what temperature?

A) 50-60°F B) 65-68°F C) 70-75°F D) 75-78°F

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A zigzag ruler is a ruler of metal, plastic, or other material that is wound in a case

Indicate whether the statement is true or false

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Which of the following factors would NOT be included in physiological needs category?

a. Air b. Food c. Sex d. Shelter e. Positive self-image

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