Operations Management
13th Edition
ISBN: 9781259667473
Author: William J Stevenson
Publisher: McGraw-Hill Education
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Question
Chapter 7.S, Problem 1P
a)
Summary Introduction
To estimate: The amount of time needed to complete the fifth plane.
Introduction: Learning curve is referred as the cost curve, experience curve, efficiency curve or productivity curve. The leaving curve gives information about the cost, efficiency, productivity and performance of an organization.
b)
Summary Introduction
To estimate: The amount of time needed to complete first five planes.
Introduction: Learning curve is referred as the cost curve, experience curve, efficiency curve or productivity curve. The leaving curve gives information about the cost, efficiency, productivity and performance of an organization.
c)
Summary Introduction
To estimate: The amount of time needed to complete all 18 planes.
Introduction: Learning curve is referred as the cost curve, experience curve, efficiency curve or productivity curve. The leaving curve gives information about the cost, efficiency, productivity and performance of an organization.
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Suad Alwan, the purchasing agent for Dubai Airlines, has determined that the second plane took 18,000 hours to produce.
Using an 85% learning curve and a $35-per-hour labor charge, he wants to determine the cost of the six additional planes.
Time required for the sixth unit =
hours (round your response to the nearest whole number).
A contractor is preparing a bid to install swimming pools at a new housing addition. The estimated time to build the first pool is 35 hours. The contractor estimates an 85 percent learning rate. Without using the computer: a. How long do you estimate the time required to install the second pool? b. How long do you estimate the time required to install the fourth pool?
The product TRX takes 9.99 hours for production of 1 unit, where learning curve rate is 77% and what will be the total time taken by 8th unit of product TRX using incremental unit time method ?
Chapter 7 Solutions
Operations Management
Ch. 7.S - Prob. 1DRQCh. 7.S - Prob. 2DRQCh. 7.S - Prob. 3DRQCh. 7.S - Prob. 4DRQCh. 7.S - Prob. 5DRQCh. 7.S - Prob. 6DRQCh. 7.S - Prob. 7DRQCh. 7.S - Prob. 8DRQCh. 7.S - Prob. 9DRQCh. 7.S - Prob. 10DRQ
Ch. 7.S - Prob. 1PCh. 7.S - Prob. 2PCh. 7.S - Prob. 3PCh. 7.S - Prob. 4PCh. 7.S - Prob. 5PCh. 7.S - Prob. 6PCh. 7.S - Prob. 7PCh. 7.S - Prob. 8PCh. 7.S - Prob. 9PCh. 7.S - Prob. 10PCh. 7.S - Prob. 11PCh. 7.S - Prob. 12PCh. 7.S - Prob. 13PCh. 7.S - Prob. 14PCh. 7.S - Prob. 15PCh. 7.S - Prob. 16PCh. 7.S - Prob. 17PCh. 7.S - Prob. 18PCh. 7.S - Prob. 19PCh. 7.S - Prob. 1CQCh. 7.S - Prob. 2CQCh. 7.S - Prob. 3CQCh. 7 - Prob. 1DRQCh. 7 - What are some of the main advantage and...Ch. 7 - Prob. 3DRQCh. 7 - Prob. 4DRQCh. 7 - Prob. 5DRQCh. 7 - Prob. 6DRQCh. 7 - Prob. 7DRQCh. 7 - What are motion study principles? How are they...Ch. 7 - Prob. 9DRQCh. 7 - Prob. 10DRQCh. 7 - Prob. 11DRQCh. 7 - Prob. 12DRQCh. 7 - Prob. 13DRQCh. 7 - Prob. 14DRQCh. 7 - Prob. 15DRQCh. 7 - Prob. 16DRQCh. 7 - Prob. 17DRQCh. 7 - Prob. 18DRQCh. 7 - Prob. 19DRQCh. 7 - Prob. 1TSCh. 7 - Prob. 2TSCh. 7 - Prob. 3TSCh. 7 - Prob. 1CTECh. 7 - Prob. 2CTECh. 7 - Prob. 3CTECh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Given these observed times (in minutes) for four...Ch. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - An analyst made the following observations about...Ch. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19P
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- Suad Alwan, the purchasing agent for Dubai Airlines, has determined that the third plane took 20,000 hours to produce. Using an 80% learning curve and a $40-per-hour labor charge, he wants to determine the cost of the four additional planes. a) Time required for the fourth unit = 18,231 hours b) Cost of the fourth unit = ? dollars (round to the nearest whole number)arrow_forwardGiven the following information from an assembly task: First cycle time: 35 seconds Learning rate of 90% a. Determine the predicted performance time of the 200th b. Determine the number of cycles it will take to reach the standard time of 14 secondsarrow_forwardSara Bredbenner and Blake DeYoung are teammates at a discount store; their new job is assembling swing sets for customers. Assembly of a swing set has a learning rate of 90%. They forgot to time their effort on the first swing set, but spent 4 hours on the second set. They have 6 more sets to do. Determine approximately how much time will be (was) required for: a) the 1st unit.arrow_forward
- Suad Alwan, the purchasing agent for Dubai Airlines, has determined that the second plane took 18,000 hours to produce. Using an 85% learning curve and a $35-per-hour labor charge, he wants to determine the cost of the six additional planes. Part 2 Time required for the sixth unit = 13900 hours (round your response to the nearest whole number). Part 3 Cost of the sixth unit = 486500 dollars (round your response to the nearest whole number). Part 4 Time required for the seventh unit = enter your response here hours (round your response to the nearest whole number). Part 5. Cost of the seventh unit?arrow_forwardIn yuyox ltd the first 71 units takes 92 hours to be produced where learning curve is 83% , calculate how much time it will take to produce 568 units using the wrights model ?arrow_forwardAn assembly operation has a 90 percent learning curve. The line has just begun work on a new item; the initial unit required 28 hours. Estimate the time that will be needed to complete:a. The first five unitsb. Units 20 through 25arrow_forward
- The company rtx ltd. takes 27 hours to produce 6 units of a product and learning curve rate is 88%, compute the total time for 18 units of product using cumulative average method ?arrow_forwardGirish Shambu and William Reisel are teammates at a discount store; their new job is assembling bicycles for customers. Assembly of a bike has a learning rate of 70%. They forgot to time their effort on the first bike but spent 4 hours on the second. They have 6 more bikes to do. Determine approximately how much time will be (was) required for: a) The 1st unit = (round your answer to two decimal places)arrow_forwardIf a company is preparing a bid on a government contract for 40 units of a certain product. The operations manager estimates the assembly time required for the first two units to be 10.4 hours and 8.8 hours respectively. What is the appropriate learning curve? Explain and show your answer.arrow_forward
- The first unit of a job took 40 hours to complete. The work has a learning percentage of 88. The manager wants time estimates for units 2, 3, 4, and 5. Develop those time estimates.arrow_forwardProvidence Assessment Center screens and trains employees for a computer assembly firm in Boston. The progress of all trainees is tracked, and those not showing the proper progress are moved to less demanding programs. By the tenth repetition, trainees must be able to complete the assembly task in 1 hour or less. Susan has just spent 5 hours on the fourth unit and 4.5 hours completing her eighth unit, while another trainee, Julie took 4 hours on the third and 2.8 hours on the sixth unit. Should you encourage either or both of the trainees to continue? Why? Present calculation steps. [Hint: For each trainee, 1) Determine the learning rate (%) – use doubling concept. 2) Calculate time for the 1st unit (T1) – use table, 3) Calculate time for the 10th Unit (T10) –use table] Susan Julie Learning rate (%) – doubling concept Time for the 1st unit Time for the 10th unitarrow_forwardThe company zutsu takes 30.7 hours for production of 1 unit of a chemical box, where learning curve rate is 97% and what will be the total time taken by 2th unit of chemical box using incremental unit time method ?arrow_forward
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