Question 31) A line in a network that may represent a path or a route is called a(n)

31) A line in a network that may represent a path or a route is called a(n)

A) arc.

B) branch.

C) line.

D) fork.

E) sink.

32) A point in the network, that is at the beginning or end of a route is called a(n)

A) arc.

B) branch.

C) line.

D) node.

E) source.

33) A technique that allows a researcher to determine the greatest amount of material that can move through a network is called

A) maximal-flow.

B) maximal-spanning.

C) shortest-route.

D) maximal-tree.

34) Transportation models can be used for which of the following decisions?

A) facility location

B) production mix

C) media selection

D) portfolio selection

E) employee shift scheduling

35) When using a general LP model for transportation problems, if there are 4 sources and 3 destinations, which of the following statements is true?

A) There are typically 4 decision variables and 3 constraints.

B) There are typically 12 decision variables and 7 constraints.

C) There are typically 7 decision variables and 7 constraints.

D) There are typically 12 decision variables and 12 constraints.

E) There are typically 12 decision variables and 3 constraints.

36) The two most common objectives for the assignment problem are the minimization of

A) uncertainty or inexperience.

B) total costs or inexperience.

C) total costs or total time.

D) total time or inexperience.

E) total costs or uncertainty.

37) Which of the following statements concerning the transshipment problem are false?

A) The number of units shipped into a transshipment point should be equal to the number of units shipped out.

B) There can be constraints on the number of units shipped out of an origin point.

C) There can be constraints on the number of units shipped into a destination point.

D) The transshipment problem can be solved with linear programming.

E) Any units shipped from one origin point must all go to the same destination point.

38) What is said to exist when total demand equals total supply in a transportation problem?

A) an equalized problem

B) an equilibrialized problem

C) a harmonized problem

D) a balanced problem

E) This situation can never occur.

Table 9-1

39) A company must assign mechanics to each of four jobs. The time involved varies according to individual abilities. Table 9-1 shows how many minutes it takes each mechanic to perform each job. If the optimal assignments are made, how many total minutes would be required for completing the jobs?

A) 0

B) 4

C) 17

D) 16

E) None of the above

Table 9-2

40) Given Table 9-2, the final table for an assignment problem, who should be assigned to job 2?

A) worker A

B) worker C

C) either worker A or worker C

D) neither worker A nor worker C

E) worker D

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