The differential air pressure switch in the high-efficiency gas furnace closes when the exhaust fan is moving a sufficient amount of air
Indicate whether the statement is true or false
TRUE
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When working in groups, the planning stage is ____ working as an individual.
A. less important than when B. more important than when C. just as important as when D. optional compared to when
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NEC Article 250 contains requirements for _____.
a. overcurrent protection b. grounding and bonding c. calculating branch circuit loads d. branch circuit installation
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The textural class of a soil that contains 70% sand, 15% clay, and 15% silt is called ___________
Fill in the blank(s) with correct word
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Secondary minerals are most prominent in the ________ fraction of soils
A) silt B) clay C) sand D) organic
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