If a Company Selects Project 1 Then It Must Also

question 15

Multiple Choice

If a company selects Project 1 then it must also select either Project 2 or Project 3. Which of the following constraints enforces this condition?

• A) X₁ − X₂ − X₃ ≥ 0
• B) X₁ + (X₂ − X₃) ≤ 0
• C) X₁ + X₂ + X₃ ≤ 2
• D) X₁ − X₂ − X₃ ≤ 0

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Definitions:

Stud

A type of fastener or fixed projection that is often threaded and used to secure objects or as a mounting point.

Thread Callout

An annotation on a drawing specifying the characteristics of a threaded part, such as diameter, pitch, and thread type.

Hexagonal

Relating to a shape or object having six angles and sides, often used in reference to cross-sectional shapes of bolts or nuts.

Abbreviation

A shortened form of a word or phrase used for convenience.