1. What takt time is required to achieve the desired rate of output? 2. What is the theoretical minimum no of workstations? 3. Using LOT heuristic, assign tasks. 4. What is the efficiency and the balance delay. I
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- 3. A producer of inkiet printers is planning to add a new line of printers, and vou have keen asked to balance the process, given the following task times and precedence relationships. Assume that cycle time is to be the minimum pOssible. Length (minutes) Immediate Тask (Predecessor) a 0.2 b 0.4 0.3 1.3 b, c 0.1 0.8 e 0.3 d. f 1.2 a. Do gach of the following: (1) Draw the precedence diagram. (4 pts.) (2) Assign tasks to stations in order gf most following tasks. Tiebreaker: greatest Rositional weight. (3) Determine the RErcentage of idle time. (4) Compute the rate of output in printers per day that could be expected for this line assuming a 420-minute working dav. b. Answer these questions: (1) What is the shortest cxcle time that will pemit use of only two workstations? Is this cycle time feasible? Identify the tasks vou would assign to each station. (2) Determine thE REICentage of idle time that would result if two stations were used. (3) What is the daily Qutputunder this…Management wants to design an assembly line that will turn out 800videotapes per day. There will be eight working hours in each day. The industrial engineeringstaff has assembled the information below: Task Time (min.) Immediate Follower a .2 b,d b .2 f c .4 b,e d .1 e e .3 f f .2 h g .1 h h .2 i i .6 none A) Determine the optimum cycle time (i.e., actual operating time/desired output).B) What is the minimum number of stations needed?C) Assign tasks to work stations.D) What is the efficiency of this assembly line?7.14. The Henry Street Mission uses volunteers to assemble care packages for needy families during the holiday season. The mis- slon would like to organize the work as efficiently as possible. A list of tasks, task times, and precedence requirements follows: Task Precedence Time (Mins) A B A B. 7. D. C, D 4 a. If the mission wants to complete a care package every 10 min- utes, how many volunteers should be called in? Balance the line and calculate the efficiency. How many packages can be assem- bled in a four-hour period? b. Suppose that volunteers are plentiful. Balance the line to max- imize output. What is the efficiency of the line? How many care packages can be assembled in a four-hour period?
- You and several friends are about to prepare a lasagna dinner. The tasks to be performed, their immediate predecessors, and their estimated durations are as follows: Task Task Description Predecessors Time estimate (in minutes) te σ2 to tm tp A Slice the mozzarella -- 4 5 6 B Mix eggs and ricotta cheese -- 5 6 8 C Cut up onions and mushrooms _ 6 7 9 D Cook the tomato sauce C 20 23 24 E Boil large quantity of water _ 15 15 15 F Cook and drain the noodles E 12 13 16 G Assemble all the ingredients B,D,F 10 13 14 H Preheat the oven _ 14 15 15 I Bake the lasagna H, I 30 32 35 Draw the network diagram for this project. Clearly label the earliest start, earliest finish, latest start and latest finish for each activity. Specify the critical path and the critical activities…You and several friends are about to prepare a lasagna dinner. The tasks to be performed, their immediate predecessors, and their estimated durations are as follows: Task Task Description Predecessors Time estimate (in minutes) te σ2 to tm tp A Slice the mozzarella -- 4 5 6 B Mix eggs and ricotta cheese -- 5 6 8 C Cut up onions and mushrooms _ 6 7 9 D Cook the tomato sauce C 20 23 24 E Boil large quantity of water _ 15 15 15 F Cook and drain the noodles E 12 13 16 G Assemble all the ingredients A,B,D,F 10 13 14 H Preheat the oven _ 14 15 15 I Bake the lasagna H, G 30 32 35 When calculating te, round the value to nearest integer. Draw the network diagram for this project. Clearly label the earliest start, earliest finish, latest start and latest finish for each…Management wants to design an assembly line that will turn out 800 videotapes per day. There will be eight working hours in each day. The industrial engineering staff has assembled the information below: Task Time (min.) Immediate Predecessor a none b. .2 4 none d. none c, d b, e .3 f .2 none h .2 f, g A) Determine the maximum and minimum cycle times. B) Determine the optimum cycle time. C) What is the minimum number of stations needed? D) Draw the precedence diagram. E) Assign tasks to stations in order of most following tasks first. Submit an Excel file based on Chapter 6 Excel Template to indicate your computation. Font family Font size Paragraph SB A) B06 min/cyclel ELL
- Kiko Teddy Bear is a manufacturer of stuffed teddy bears. Kiko would like to be able to produce 40teddy bears per hour on its assembly line. The following information will assist in answering thequestions that follow: Task Information for Kiko Teddy Bear Work Element Task Description ImmediatePredecessor Task Time (inseconds)A Cut teddy bear pattern None 90B Sew teddy bear cloth A 75C Stuff teddy bear B 50D Glue on eyes C 20E Glue on nose C…Kiko Teddy Bear is a manufacturer of stuffed teddy bears. Kiko would like to be able to produce 40teddy bears per hour on its assembly line. The following information will assist in answering thequestions that follow: Task Information for Kiko Teddy Bear Work Element Task Description ImmediatePredecessor Task Time (inseconds)A Cut teddy bear pattern None 90B Sew teddy bear cloth A 75C Stuff teddy bear B 50D Glue on eyes C 20E Glue on nose C…The manufacturer of children’s toys designed a special toy truck that can be assembled in 8 basic steps. The required time and predecessors for the tasks can be seen in the table below. There are 7.5 productive hours available in a day and the manufacturer wishes to produce 400 units. Task Time (Sec) Predecessor A 45 - B 50 A C 20 A D 55 A E 15 D F 65 D G 25 E H 35 B, C, F, G B. Calculate the cycle time for this process. C. Calculate the theoretical minimum number of workstations. D. Assign the tasks to work stations using the LOT rule. E. The process design team realizes that the potential spike in demand for this device requires increased output. They elect to add a seventh worker to their production team at the first station. What is the net effect of adding this worker?
- Given the following line balance data: Task Predecessor Time (seconds) t none 15 u t 14 v t 7 w u 6 x v 8 y w,x 10 z y 21 1. What is the minimum possible cycle time? 2. What is the maximum possible cycle time?The City Commission of Nashville has decided to build a botanical garden and picnic area in the heart of the city for the recreation of its citizens. The precedence table for all the activities required to construct this area successfully is as follows: A- Time B- Code Description (hrs) Immediate Predecessor(s) C- A Find location; determine resource requirements 25 None Requisition of lumber and sand Dig and grade Saw lumber into appropriate sizes 55 A D- C 100 A E- 30 В E Position lumber in correct locations 20 D, C F- F Nail lumber together 10 E G- Put sand in and under the equipment Put dirt around the equipment G 25 F H F H- Put grass all over the garden, landscape, paint 35 G, H Refer to the legend for the activity that corresponds to each code. Using the line drawing tool, draw a Gantt chart for activities E through I of the project. 20 40 60 80 100 120 140 160 180 200 220time (hours) pH 7.00 7.30 6.99 7.00 Assignment 1 2 7.12 7.25 7.12 7.20 3 720 7.16 720 7.16 4 6.98 7.00 6.94 7.00 5 6.99 6.99 6.99 6.98 6 7.00 6.93 7.02 6.93 7 6.92 7.00 6.92 7.02 Construct the X-Bar charts and R- charts 6.88 6.82 6.94 6.99 7.10 7.00 7.00 7.00 for reporting your results 10 721 7.02 721 7.04 11 7.01 6.86 7.01 6.90 12 6.86 6.98 6.90 6.98 13 6.90 7.00 6.87 7.00 14 7.01 7.04 7.01 7.05 15 7.00 6.95 7.00 6.99 16 7.09 7.20 7.03 7.20 17 6.89 7.14 6.87 7.15 18 6.98 6.80 6.98 6.89 19 7.00 6.90 7.00 6.90 20 7.20 7.00 723 7.00 21 7.04 7.03 7.08 7.00 22 6.90 6.92 6.98 6.92 23 7.00 7.00 7.00 7.00 24 7.00 6.97 7.01 6.98