____ are given on the site plan to indicate the existing and the new grading levels.
A. Bench marks
B. Contour lines
C. Building locations
D. Light standards
Answer: B
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Some types of explosionproof enclosures are designed to be drilled and tapped in the field. When this is done, at least ____ full threads should be engaged between the conduit and the enclosure.
A. three B. five C. seven D. 11
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Explain why it may or may not be justified to keep a computer system on continuously.
What will be an ideal response?
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What is galvanizing?
What will be an ideal response?
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Name the type of gears that have their teeth cut at an angle, which allows more than one tooth to be in contact, and carry more load than equivalent-sized spur gears and operate more quietly and smoothly.
What will be an ideal response?
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