SAINT GBA334/ GBA334 MODULE 6 QUIZ - 97007

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Question Question 1.1. Which of the following is used to summarize conveniently and concisely all relevant data and to keep track of algorithm computations? (Points : 5) source-destination matrix Hungarian table stepping-stone grid transportation table tabulation report Question 2.2.The table below describes a transportation problem: To D E F Supply From A 2 5 2 40 B 1 4 2 30 C 4 3 2 30 20 30 50 What is the cost of the initial solution using the northwest corner method? (Points : 5) $210 $290 $200 $280 None of the above Question 3.3. Which technique requires that we start in the upper-left-hand cell of the table and allocate units to shipping routes in a "stair step" fashion? (Points : 5) upper-left rule stair step method northwest corner rule Vogel's approximation method MODI Question 4.4. In a transportation problem, a dummy source is given a zero cost, while in an assignment problem, a dummy source is given a very high cost. (Points : 5) True False Question 5.5. Which of the following techniques can be used for moving from an initial feasible solution to an optimal solution in a transportation problem? (Points : 5) Hungarian method stepping-stone method northwest corner rule Vogel's approximation method All of the above Question 6.6. Practically speaking, multiple optimal solutions ________. (Points : 5) are infeasible are unbounded are degenerate are unbalanced provide management with greater flexibility in selecting and using resources Question 7.7.The table below describes a transportation problem: To D E F Supply From A 2 5 2 40 B 1 4 2 30 C 4 3 2 30 Demande 20 30 50 100 What is the total cost of the optimum solution? (Points : 5) $280 $210 $200 $290 None of the above Question 8.8.Both transportation and assignment problems are members of a category of LP techniques called ________.(Points : 5) transshipment problems Hungarian problems source-destination problems supply and demand problems network flow problems Question 9.9.The table below describes a transportation problem: To D E F Supply From A 2 5 2 40 B 1 4 2 30 C 4 3 2 30 Demande 20 30 50 100 What is the optimum solution routes? (Points : 5) A-F: 40; B-D: 20; B-F: 10; C-E: 30 A-D: 40; B-D: 20; B-F: 10; C-E: 30 A-F: 40; B-B-E: 20; B-F: 10; C-E: 30 A-F: 40; B-D: 20; B-D:10; C-E: 30 None of the above Question 10.10. An artificial source added to a transportation table when total demand is greater than total supply is called ________. (Points : 5) excess source filler source dummy source demand source supply source Question 11.11. Assignment problems involve determining the most efficient assignment of people to projects, salesmen to territories, contracts to bidders, and so on. (Points : 5) True False Question 12.12.Four projects must be completed, and each of four employees will be assigned to work on exactly one of the four projects. The table below presents an estimate of the cost that each employee would incur if working on the respective projects. What is the minimum-cost of optimum assignment of workers to projects? (Points : 5) COSTS P R O J E C T EMPLOYEES 1 2 3 4 Mary 45 32 49 55 Elizabeth 50 45 53 43 Steven 52 40 70 46 Joshua 60 35 40 40 $267 $175 $167 $160 None of the above Question 13.13. The objective of an assignment problem solution most often is to minimize the total costs or time of performing the assigned tasks. (Points : 5) True False Question 14.14. The two most common objectives for the assignment problem are the minimization of ________. (Points : 5) uncertainty or inexperience total costs or inexperience total costs or total time total time or inexperience total costs or uncertainty Question 15.15. What is the overall objective in applying the transportation method to the facility location problem? (Points : 5) minimize the distance traveled minimize the number of items shipped maximize the value of items shipped minimize the cost of the distribution system None of the above Question 16.16. The objective of a transportation problem solution is to schedule shipments from sources to destinations while minimizing total transportation and production costs. (Points : 5) True False Question 17.17.In a transportation problem, each destination must be supplied by one and only one source.(Points : 5) True False Question 18.18. If items being transported must go through an intermediate point before reaching a final destination, then this situation is known as a(n) ________. (Points : 5) transshipment problem assignment problem transportation problem intermediate point problem None of the above Question 19.19. Transportation models may be used when a firm is trying to decide where to locate a new facility. (Points : 5) True False Question 20.20.Four projects must be completed, and each of four employees will be assigned to work on exactly one of the four projects. The table below presents an estimate of the cost that each employee would incur if working on the respective projects. What is the optimum assignment of workers to projects? (Points : 5) COSTS P R O J E C T EMPLOYEES 1 2 3 4 Mary 45 32 49 55 Elizabeth 50 45 53 43 Steven 52 40 70 46 Joshua 60 35 40 40 Mary - Project 1; Elizabeth - Project 2; Steven - Project 3; Joshua - Project 4 Mary - Project 4; Elizabth - Project 3; Steven - Project 2, Joshua - Project 1 Mary - project 2; Elizabeth - Project 4; Steven - Project 1; Joshua - Project 3 Mary - Project 3; Elizabeth - Project 1; Steven - Project 4; Joshua - Project 2 None of the above
Solution Description

Question

Question 1.1.

Which of the following is used to summarize conveniently and concisely all relevant data and to keep track of algorithm computations?

(Points : 5)

source-destination matrix

Hungarian table

stepping-stone grid

transportation table

tabulation report

Question 2.2.The table below describes a transportation problem:

To

 

D

E

F

Supply

From

         
 

A

2

5

2

40

           
 

B

1

4

2

30

           
 

C

4

3

2

30

   

20

30

50

 

What is the cost of the initial solution using the northwest corner method?

(Points : 5)

$210

$290

$200

$280

None of the above

Question 3.3.

Which technique requires that we start in the upper-left-hand cell of the table and allocate units to shipping routes in a "stair step" fashion?

(Points : 5)

upper-left rule

stair step method

northwest corner rule

Vogel's approximation method

MODI

Question 4.4.

In a transportation problem, a dummy source is given a zero cost, while in an assignment problem, a dummy source is given a very high cost.

(Points : 5)

True

False

Question 5.5.

Which of the following techniques can be used for moving from an initial feasible solution to an optimal solution in a transportation problem?

(Points : 5)

Hungarian