EBK PRINCIPLES OF OPERATIONS MANAGEMENT
11th Edition
ISBN: 9780135175859
Author: Munson
Publisher: VST
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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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When planning the sequence of steps for a process, why is it necessary to include an exception?
Q3/ in the assembling process of a mobile phone, the total observed time is 5 minutes. In this
process, the rating is 120% within allowance of 8% which has been allowed for the worker.
Calculate the following: (1) normal time, and (2) standard time. Then, discus the results.
6. 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
1.922
Chapter 10 Solutions
EBK PRINCIPLES OF OPERATIONS MANAGEMENT
Ch. 10 - Prob. 1EDCh. 10 - Prob. 1DQCh. 10 - Prob. 2DQCh. 10 - Prob. 3DQCh. 10 - Prob. 4DQCh. 10 - Prob. 5DQCh. 10 - Prob. 6DQCh. 10 - Prob. 7DQCh. 10 - Prob. 8DQCh. 10 - Prob. 9DQ
Ch. 10 - Prob. 10DQCh. 10 - Prob. 11DQCh. 10 - Prob. 12DQCh. 10 - Prob. 13DQCh. 10 - Prob. 14DQCh. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10PCh. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - Prob. 13PCh. 10 - Prob. 14PCh. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - Prob. 19PCh. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - Virginia College promotes a wide variety of...Ch. 10 - Prob. 24PCh. 10 - Prob. 25PCh. 10 - Prob. 26PCh. 10 - Prob. 27PCh. 10 - Prob. 28PCh. 10 - Prob. 29PCh. 10 - Prob. 30PCh. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - Prob. 33PCh. 10 - Prob. 34PCh. 10 - Prob. 35PCh. 10 - Prob. 36PCh. 10 - Prob. 37PCh. 10 - Prob. 39PCh. 10 - Prob. 40PCh. 10 - Prob. 41PCh. 10 - Prob. 42PCh. 10 - Prob. 44PCh. 10 - Prob. 1CSCh. 10 - Prob. 2CSCh. 10 - Prob. 3CSCh. 10 - Prob. 4CSCh. 10 - Prob. 1.1VCCh. 10 - Prob. 1.2VCCh. 10 - Prob. 1.3VCCh. 10 - Prob. 2.1VCCh. 10 - Prob. 2.2VCCh. 10 - Prob. 2.3VCCh. 10 - Prob. 2.4VC
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- 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_forwardA 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_forward
- Explain when is work sampling a more appropriate work measurement technique than time study ?arrow_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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