Four mutually exclusive alternatives are evaluated using three estimates or strategies (pessimistic, most likely, and optimistic) for several parameters. The resulting PW values over the LCM are determined as shown.



The best alternative to select under the pessimistic strategy is: (choose one)



(a) Alternative 1

(b) Alternative 2

(c) Alternative 3

(d) Alternative 4


(a) Alternative 1

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A simple capacity-control method that provides capacity steps of 25 percent, 50 percent, and 75 percent using a plug valve would be found on a _____.

a. scroll compressor b. hot-gas bypass setup c. screw compressor d. rotary compressor

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The two equipment methods of seeding are ____________________ and ____________________

Fill in the blank(s) with correct word

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This dimensioning is commonly used in architectural and structural drafting.

A. aligned B. arrowless C. stacked D. slashed E. none of the above

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Grain storage always improves grain quality

Indicate whether the statement is true or false

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