Assuming an average 35% efficiency for power plants and a heating value of approximately 1000 Btu/ft3 (22,000 Btu/lbm), calculate the amount of natural gas required in ft3 and lbm for generating electricity for each year shown in the table.


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

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In simple beams, stirrups are used to resist _____.

a. diagonal tension b. upward thrust c. compression stress d. metal fatigue

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Heating, lighting, and rent are good examples of ______

A) Variable expenses B) Gross profit C) Overhead expenses D) Net profit

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Semiconductors are primarily used in:

A) Mechanical control linkages. B) Electromechanical controls. C) Pneumatic controls. D) Electronic controls.

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