Natural-draft furnaces generally have efficiency ratings of _____

a. below 65 percent
b. below 78 percent
c. below 85 percent
d. 90 percent and above


b

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Using the formula for speed, the ____ speed of a two-pole motor supplied by 60-hertz electrical energy is determined

a. factory-preset b. discrete c. rated d. synchronous

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_____ managers oversee the use of rangelands and supervise the use and conservation of rangelands owned by the government

a. Animal c. People b. Range d. Forest

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Ma Bryan sells homemade preserves. The profit relation for the following estimates at a quantity that is 10% above breakeven is closest to:

Fixed cost = $500,000 per year Cost per 100 units = $200 Revenue per 100 units = $250 (choose one): (a) Profit = 200(11,000) ? 250(11,000) ? 500,000 (b) Profit = 250(11,000) ? 500,000 ? 200(11,000) (c) Profit = 250(11,000) ? 200(11,000) + 500,000 (d) Profit = 250(10,000) ? 200(10,000) ? 500,000

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Pigment gives paint its color, opacity, and specific performance properties.

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

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