As the refractory temperature increases, the combustion efficiency:

A) Stays the same. B) Decreases. C) Increases. D) Fluctuates.


C

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Biofuels come from _____ sources

A) nonrenewable B) renewable C) mineral D) oil

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The resistance of a medium is measured in ________

Fill in the blank(s) with correct word

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With regard to transistor operation, which is not considered an operating region?

A) cutoff B) bias C) active D) saturation

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A 4 ´ 14 (100 ´ 350) notched stringer is typically used for enclosed stairs.

Answer the following statement true (T) or false (F)

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