How energy-efficient is a typical internal combustion engine?
A) 40-60% B) 15-20%
C) 5-10% D) None of these are correct
B
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What are building code recommendations for the provision of vapor retarders (VR) for various climate zones?
What will be an ideal response?
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The relative ____ wire and magnetic field always induces a voltage, or emf.
a. friction between b. motion of c. magnetism of d. currents between
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Steel framing has excellent properties for resisting stress from snow, wind, and seismic forces.
Answer the following statement true (T) or false (F)
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The increased demand for organic and free range products has created a _____ for small producers.
Fill in the blank(s) with the appropriate word(s).
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