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# Saint GBA334/ GBA334 Module 6 Quiz

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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 dist

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