The tolerance zone for perpendicularity:
A. Is always a zone between two parallel planes
B. Is always a cylindrical zone
C. May be a zone between two parallel planes or a cylindrical zone
D. ?
Answer: C
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OSHA requires fall protection for personnel working at elevations of _____.
a. 6 feet or more b. 9 feet of more c. 12 feet or more d. 15 feet or more
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The volume of a pipe is often expressed in _____ units.? ?
Fill in the blank(s) with the appropriate word(s).
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What is an advantage of electronic service information?
A) Internet access allows multiple user access B) Information may be printed out for future reference C) Both A and B D) Neither A nor B
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The absolute pressure of a fluid point at a certain depth can be calculated using the following equation:
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