The edge of a serrated knife is ____________________

Fill in the blank(s) with the appropriate word(s).


ANS: notched

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According to the American Forest and Paper Association, each year an acre of healthy trees gives off _____ pounds of oxygen

a. 840 c. 2,720 b. 1,060 d. 4,280

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When selecting a transformer, its ____ is the first concern.

A. primary power rating B. frequency C. secondary voltage and current ratings D. power-handling capability

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Keeping wood structures dry and limiting the use of all wood to areas at least ____" above the exterior grade provides additional assurance against termites.

A. 6 B. 9 C. 12 D. 15

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What rate of heat addition is needed to achieve this change? You may assume that the heat capacity of toluene in a phase is constant at a value that is obtained or calculated at 298 K.

Five-hundred moles per minute of liquid toluene (300 K and 3 bar) enters a steady state heater. The toluene leaves the heater as a superheated vapor (450 K and 2 bar).

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