QUESTION TWO(a) The following tasks are to be completed on vehicles at a service station:ToABсDEFA139112 110132112B139122105109110FromC112122117126108D110105 117134111E132109 126134118F112 110 108111118She plans to start her journey from city A and to return back to this city after visiting allthe cities without visiting any city more than once.i.Find the sequence of the cities for her visit programme for minimum totaldistance travelled.ii.What is the total distance travelled?(b) State the dual of the following and solve the same by the simplex method:MaximizeZ=4x₂ + 2x₂subject to2x+3x₂ + 5x₂ 22,3x₁ + x₂ +7x, ≤ 3,x₂ + 4x₂ + 6x₂ ≤5,x₁,x₂20,x, unrestricted

Since you have not mentioned the specific questions, as per guidelines, we have answered the first…

Answered: (a) The following tasks are to be…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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QUESTION 5a. A Chef bakes and decorates cakes in a two-stage process. The cakes are baked and once cooledthey are then decorated based on the clients’ requirements. The Chef received seven orders forfully decorated cakes and has documented the orders with respective processing times for bakingand decorating, as shown in Table 7 that follows:.Table 7. Cake Job Orders received by the Chef with the respective processing times for Baking andDecoratingCake Job Order Baking Processing Time Decorating Processing TimeA 2 1B 8 5C 4 6D 9 7E 7 8F 9 6G 3 5 (ii) Illustrate the flow (throughput) times to complete the baking and decorating on atimeline chart.
QUESTION 5a. A Chef bakes and decorates cakes in a two-stage process. The cakes are baked and once cooledthey are then decorated based on the clients’ requirements. The Chef received seven orders forfully decorated cakes and has documented the orders with respective processing times for bakingand decorating, as shown in Table 7 that follows:.Table 7. Cake Job Orders received by the Chef with the respective processing times for Baking andDecoratingCake Job Order Baking Processing Time Decorating Processing TimeA 2 1B 8 5C 4 6D 9 7E 7 8F 9 6G 3 5 (i) Using Johnson’s Rule, determine the optimum sequence for processing the cake joborders through the baking and decorating stages.
QUESTION TWO As an operations management intern at a Limpopo-based company, HGK Holdings, your role is to assist the operationsanalyst with reconfiguring a brownfield project at HGK’s industrial estate in the Limpopo province, code-named LPCHP1. The reconfiguration involves the installation of an advanced biomass unit which generates electrical andthermal energy by burning wood pellets produced as a by-product of the wood processing industry in the province.The process is commonly called cogeneration or CHP (combined heat and power) and it is expected to save cost andincrease operational efficiency at HGK Holdings. The electrical and thermal energy generated is expected to be utilisedin the operations of HGK Holdings. REQUIRED:Answer each of the following questions: 2.1. With the aid of an appropriately labelled Input-Transformation-Output diagram, comprehensively discuss thetransformation process underpinning the operations of LP-CHP1. In your discussion, highlight the transformedand…
Question 34 Consider the processing times and priorities for four jobs: Job Processing time (minutes) Weight/Priority (cost per minute) A 10 6 B 2 1 C 50 2 D 16 10 Assume the weighted shortest processing time (WSPT) rule is used. Which job should be processed third? Group of answer choices A B C D
Question1: Discuss the critical importance of work schedule in project management.2. Discuss the contribution of cost estimation in the completion of successful project.3. A firm is planning a project which consists of the following ten jobs and precedence relations are identified with their node numbers: Jobs (i-j) 1-2 1-3 2-3 2-4 2-5 3-5 4-7 5-6 6-7 7-8 Durations (days) 9 5 12 7 8 11 10 3 4 6 Draw an arrow diagram representing the project.b. Determine the critical pathc. What is the duration of the project?
Question 1 Four floral arranging jobs are to be carried out across three stations: A (Arrange), B (Bag), C (crop) shown. The station sequences and job times in minutes are shown below, along with the due dates for each job. Using an "earliest due date" job dispatching priority rule, which, if any, of the jobs in will be late? Tip: create a Gantt chart schedule before answering Questions 4 & 5. a. Jobs 2 & 3 b. Jobs 3 & 4 c. Job 3 d. Job 4 e. None of the jobs will be late
Question 1: According to the Columbia Accident Investigation Board, the root cause of the Columbia disaster was directly tied to Management’s unwillingness to adequately address the tradeoffs between the program’s conflicting goals of: Group of answer choices A) Cost, schedule, and safety B) Schedule, morale, and risk C) Safety, customer satisfaction, and schedule D) Cost, risk, and test flights
Question: Consider the following linear program: Max Z = 2*x + 3*y subject to 3*x + 4*y >= 12 3*x + 2*y >= 9 y>= 1 x,y >= 0 The number of feasible corner points is: 0 1 2 3 None of the other answers are correct.
Question 5The management of CDC Construction Pioneers have decided to build 900 new apartments in the Kasoa area due to the influx of immigrant workers into the country. Two Architectural Companies have provided building plans and technical schematics for the project. Management are happy with the proposals of both Standard apartment and Deluxe apartment. After investigating the steps involved in construction, management determined that each apartment complex built will require some resources. Management analysed each of the bids and concluded that if the plans of Standard apartment are built, it requires 0.7 days in foundation works, 0.5 days in the masonry, 1 day in finishing, and 0.1 days in painting works. Deluxe apartment will require 1 day in foundation works, 0.83 days in the masonry, 0.67 days in finishing, and 0.25 days in the painting works. Management estimate that, 630 days for foundation works, 600 days for masonry, 708 days for finishing and 135 days for 11painting works…
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Question 1 Activity Activity Description Immediate Predecessors Estimated Duration A Excavate — 2 weeks B Lay the foundation A 4 weeks C Put up the rough wall B 10 weeks D Put up the roof C 6 weeks E Install the exterior plumbing C 4 weeks F Install the interior plumbing E 5 weeks G Put up the exterior siding D 7 weeks H Do the exterior painting E, G 9 weeks I Do the electrical work C 7 weeks J Put up the wallboard F, I 8 weeks K Install the flooring J 4 weeks L Do the interior painting J 5 weeks M Install the exterior fixtures H 2 weeks N Install the interior fixtures K, L 6 weeks Using the PERT method, draw the network map. Calculate the earliest start, earliest finish, latest start, latest finish, and slack times for each activity. Display results in a table format. Calculate the critical path.…

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