Chain slings are normally used for _____.
a. lifting fragile objects
b. lifting rough castings
c. lifting ornamental materials
d. routine lifting operations
Answer: B
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How does NEC article 690.2 define an alternating current (AC) module?
What will be an ideal response?
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On a water-cooled ice machine, how much water should be draining through the condenser during defrost?
a. 1.5 gpm/ton b. 1.0 gpm/ton c. none
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For any soil in which it is present, the C horizon is the parent material for the B horizon
Indicate whether the statement is true or false
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A vertically-piped geothermal system uses __________ to __________ feet of piping per ton of refrigeration.
A. 100, 300 B. 200, 400 C. 300, 500 D. 600, 800
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