Which of the following are located over every opening in a wall?
A. joists
B. headers
C. rafters
D. trusses
Answer: B
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Most R-134a refrigeration systems use ________ oil for lubrication.
A) PAG B) SAE 30 C) POE D) Mineral
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The sending unit in a typical fuel gauge uses which of these devices?
A) Float B) Zener diode C) Fixed resistor D) Diaphragm
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Alternatives to lawns include native groundcovers and drought resistant, slow growing, regionally appropriate grasses such as ____.
A. Sheep Fescue and turf grass B. turf grass C. Sheep Fescue and Bermuda D. Bermuda and turf grass
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Which of the following is NOT considered a startup cost?
A. vehicle or truck B. tools C. insurance D. escrow account
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