Dr. Lori Baker, operations manager at Nesa Electronics, prides herself on excellent assembly-line balancing. She hasbeen told that the firm needs to complete 96 instruments per 24-hour day. The assembly-line activities ace:TaskTime (min)PredecessorsA3B67AА, ВBD5E2F4CG5FD,EHH16JEK4G, I, J50(e) With a 10-minute cycle time and six workstations, what is the efficiency?(1) What is the total idle time per cycle with a 10-minute cycle time and six workstations?(g) What is the best work station assignment you can make without exceeding a 10-minute cycle time and what is itsefficiency?

A project schedule network diagram shows the sequence of the task that are performed to complete a…

Answered: (e) With a 10-minute cycle time and six…

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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What is the objective of assembly-line balancing? How would you deal with the situation where one worker, although trying hard, is 20 percent slower than the other 10 people on a line?
An assembly line is to operate eight hours per day with a desired output of 200 units per day. The following table contains information on this product’s task times and precedence relationships: TASK TASK TIME(SECONDS) IMMEDIATEPREDECESSOR A 60 — B 60 A C 50 A D 70 A E 30 B, C F 110 C, D G 70 E, F H 70 G b. What is the required workstation cycle time to meet the desired output rate? (Round your answer to the nearest whole number.) c. Balance this line using the longest task time. (Leave no cells blank - be certain to enter "0" wherever required.) d. What is the efficiency of your line balance, assuming it is running at the cycle time determined in part b? (Round your answer to 1 decimal place.)
An assembly line is to be designed to operate 7½ hours per day and supply a steady demand of 300 units per day. Here are the tasks and their performance times: TASK PRECEDING TASKS PERFORMANCETIME (SECONDS) A — 70 B — 40 C — 45 D A 10 E B 30 F C 20 G D 60 H E 50 I F 15 J G 25 K H, I 20 L J, K 25 What is the workstation cycle time required to meet the desired output rate? What is the theoretical minimum number of workstations required to meet the desired output rate? Note: Round up your answer to the next whole number. Assign tasks to workstations using the longest operating time. What is the efficiency of your line balance, assuming it is running at the cycle time determined in part b? Note: Round your answer to 1 decimal place. Suppose demand increases by 10 percent. How would you react to this? Assume that you can operate only 71/2 hours per day. Note: Round your answer for cycle time down to the nearest whole number. Round your…
Cyclone Appliances has developed a new European-style convection oven that will be made on an assembly line. The schedule requires 80 ovens in an 8-hour day. The assembly includes seven tasks. The table below indicates the performance time and the sequence requirements for each task. Task Performance Time (minutes) Task must follow Task listed below A 1 B 2 A C 3 B D 2 B E 4 C, D F 1 E G 2 F i) What is the cycle time for this assembly operation? (3 marks) ii) What is the theoretical minimum number of workstations? (3 marks) iii) Draw the precedence diagram. (Please note that diagram can be drawn with the use of Microsoft shapes) (4 marks) b) iv) Briefly explain what "slotting" is. (4 marks) v) State the ethical issues which might arise with regard to slotting? (6 marks)
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?
An assembly plant for the Blood Pressure RX, a portable blood pressure device, has 400 minutes available daily in the plant for the device, and the average demand is 80 units per day. Final assembly requires 6 separate tasks. Information concerning these tasks is given in the following table. Task Performance Time (minutes) Task Must Follow Task Listed Below A 4 - B 1 - C 1 A, B D 3 C E 4 D F 2 E b) Given the demand, what is the cycle time for this operation? The cycle time for this operation is enter your response here minutes/unit (enter your response as a whole number). c) What is the theoretical minimum number of workstations? The theoretical minimum number of workstations is enter your response here stations (enter your response as a whole number and, if your unrounded answer includes decimal values,…
An assembly line is to operate eight hours per day with a desired output of 250 units per day. The following table contains information on this product’s task times and precedence relationships: TASK TASK TIME (SECONDS) IMMEDIATE PREDECESSOR A 50 — B 20 A C 25 A D 35 A E 60 B, C F 60 C, D G 50 E, F H 90 G What is the required workstation cycle time to meet the desired output rate? Note: Round your answer to the nearest whole number. Balance this line using the longest task time. Note: Leave no cells blank - be certain to enter "0" wherever required. What is the efficiency of your line balance, assuming it is running at the cycle time determined in part b? Note: Round your answer to 1 decimal place.
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 BearWorkElementTask Description ImmediatePredecessorTask 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 15F Sew on mouth C 35G Attach manufacturer’s label B 15H Inspect and pack teddy bear D,E,F,G 40 d. What is the theoretical minimum number of workstations using the cycle time computed in” b “above? e. Assign tasks to workstations using the cycle time in “b” above. f. Calculate the efficiency and idle time percentage of the line.
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 productivehours available in a day and the manufacturer wishes to produce 400 units..Task Time (sec) PredecessorA 45 --B 50 AC 20 AD 55 AE 15 DF 65 DG 25 EH 35 B, C, F, G Assign the tasks to work stations using the LOT rule. The process design team realizes that the potential spike in demand for this device requiresincreased output. They elect to add a seventh worker to their production team at the firststation. What is the net effect of adding this worker?
Suppose the times for the individual operations for the in-line skate assembly are as follows: Task Description Time (sec) 1 Assemble wheels, bearings, and axle hardware 11 2 Assemble brake housing and pad 8 3 Complete wheel assembly 20 4 Inspect wheel assembly 13 5 Assemble boot 18 6 Join boot and wheel subassemblies 7 7 Add line and final assembly 10 8 Perform final inspection 10 Consider the production line achieving an output rate of 180 per hour below. Using the proposed design, calculate the total time and idle time for each workstation. If your answer is zero, enter "0". Round your answers to the nearest whole number. Station Tasks Total Time, seconds Idle Time, seconds A 1 and 2 B 3 C 5 D 4 and 6 E 7 and 8 Total What is the assembly line efficiency? Round your answer to one decimal place. %
The process design team at a manufacturer has broken an assembly process into eight basic steps, each with a required time and predecessor as shown in the table. They work an 8-hour day and want to produce at a rate of 360 units per day. What should their takt time be?
I’m looking for part f and part f only: the efficiency of the assembly line with 5 work stations. All of the other parts are already answered and stated in the images. Thanks

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(e) With a 10-minute cycle time and six workstations, what is the efficiency? () What is the total idle time per cycle with a 10-minute cycle time and six workstations? (g) What is the best work station assignment you can make without exceeding a 10-minute cycle time and what is its efficiency?