Principles Of Operations Management
11th Edition
ISBN: 9780135173930
Author: RENDER, Barry, HEIZER, Jay, Munson, Chuck
Publisher: Pearson,
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Chapter 10, Problem 41P
Summary Introduction
To calculate: The normal time and standard time for the process.
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Chapter 10 Solutions
Principles Of Operations Management
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- 7. The local university has developed an eight-step process for screening the thousands of admissions applications it gets each year. The provost has decided that the best way to take a first cut at all these applications is by employing a line process. The following table shows the times and predecessors for the various tasks: TASK TIME (MINUTES) IMMEDIATE PREDECESSOR ABCDEF I A с G H 1.2 1 0.65 1.1 1.3 0.7 0.8 0.9 None A BBUD с D E, F, G a. (**) Draw a precedence diagram for the tasks. Suppose the university needs to process 30 applications an hour during the peak season. What is the takt time? What is the theoretical minimum number of workstations? b. (**) Develop workstation assignments by using the "largest eligible task" rule. c. (**) How many workstations does your solution require? What is the cycle time for the line? What is the idle time? What are the percent idle time and the effi- ciency delay? d. (***) In theory, what is the fastest cycle time possible, given the tasks…arrow_forward6. A process at a watch assembly plant has been changed. The process is divided into three work elements (see table below). A time study has been performed with the following results. The time standard for the process previously was 14.5 minutes. Based on the new time study, should the time standard be revised (essay & calculation format)? The new time study had an initial sample of four observations, with the results shown in the following table. The performance rating factor (RF) is shown for each element, and the allowance for the whole process is 18 percent of the total normal time. Element 1 Element 2 Element 3 Obs 1 Obs 2 2.60 2.34 4.94 4.78 2.18 1.98 Obs 3 3.12 5.10 2.13 Obs 4 2.86 4.68 2.25 Average (min) 2.730 4.875 2.135 RF Normal Time 1.0 1.1 0.9 2.730 5.363 1.922arrow_forwardDevelop an event process chain (EPC) diagram for the following staff-recruiting process at Yellow Brook Photography: • The current recruitment process for Yellow Brook Photography takes approximately 90 days. It begins when a manager completes a requisition and sends it to the Human Resources Department. The Human Resources Department reviews and assigns a number to the requisition and returns it to the manager for approval. He or she approves it, obtains the required approval signatures, and then returns it to Human Resources. • Next, Human Resources creates a job posting and announces the position internally through the company’s intranet, bulletin boards, or a binder of current job openings. Human Resources collects responses internally for eight days. After that, Human Resources solicits résumés from external sources by advertising in newspapers and online. Human Resources then prescreens the résumés and forwards information on qualified candidates to the hiring manager for review.…arrow_forward
- 1) What factor does a project manager consider when choosing a process model? Group of answer choices (Multiple answers) Tooling used The timeline for delivering the product Size of the team The metrics to be used for the process 2) The time to deliver project compared across 10 different projects is a process metric. Group of answer choices True Falsearrow_forwardState and describe some of the limitations of time study method ?arrow_forwardDescribe when is work sampling a more appropriate work measurement technique than time study ?arrow_forward
- Why are work measurements and time standards important for a firm? Are there any negatives to the implementation of these standards?arrow_forwardWhy is it essential to record complete information in breaking the operation into element on the time study?arrow_forwardExplain when is work sampling a more appropriate work measurement technique than time study ?arrow_forward
- A direct time study was taken on a manual work cycle using the snapback timing method. The regular work cycle consisted of three elements, identified as a, b, and c in the following table. Element d is an irregular element performed every 5 cycles. Observed times and performance ratings of the elements given. Determine the standard time for the work cycle using an allowance factor of 15%. Work Element a с b 0.25min Observed Time 0.50min 0.56min 100% d 1.10min 100% Performance Rating 80% 110% Select one: a. None of the Above O b. 1.63 minutes c. 1.53 minutes O d. 1.95 minutes e. 1.76 minutesarrow_forwardDescribe some of the limitations of time study method ?arrow_forwardFor a time study of a health insurance claims-adjusting process, the analyst uses the continuous method of recording times. The job is divided into four work elements. Shown in Figure are the performance rating factors, RF, and the continuous method recorded times, r, for each work element.a. Calculate the normal time for this job. b. Calculate the standard time for this job, assuming that the allowance is 20 percent of the normal time. c. What is the appropriate sample size for estimating the time for element 2 within {10 percent of the true mean with 95 percent confidence?arrow_forward
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