Table J.17 A Company Must Take on Seven New Projects. Each Project

question 95

Multiple Choice

Table J.17
A company must take on seven new projects. Each project has a planning stage and a design stage, and the planning stage must be completed before the design stage can begin. Also, two project teams are available to work on these projects: Team 1 works only on planning stages of projects, and Team 2 works only on design stages of projects. The times to complete the project stage, in days, are shown in the following table.

-Using the information in Table J.17 and Johnson's rule, develop a schedule that minimizes makespan for these seven jobs. Assume that job C could be neatly split into two equal parts, each having half of the processing time on each machine as the full job C. Using your original sequence, but splitting job C, what is the makespan for the seven jobs?

• A) between 58 and 59 days
• B) between 56 and 57 days
• C) between 55 and 56 days
• D) between 57 and 58 days

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Definitions:

Formal-Operations Stage

The fourth and final stage of Jean Piaget's theory of cognitive development, occurring from age 12 onwards, characterized by the ability to think abstractly and reason logically.

Oral Stage

A phase in Freud's psychosexual development theory during infancy where the mouth is the primary source of pleasure and exploration.

Genital Stage

The final stage of Freud's psychosexual development where healthy sexual development is characterized by the strong sexual interest in the opposite sex.

Gestalt Psychologists

Psychologists who emphasize that the whole of anything is greater than its parts and are known for their work on perception and problem-solving.