Operations Management, Student Value Edition
11th Edition
ISBN: 9780132863308
Author: Jay Heizer
Publisher: PEARSON
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Chapter 10, Problem 13DQ
Summary Introduction
To determine: The manner in which the time of a machine operator computes who goes for stock in the middle of every job performed.
Introduction: Waiting time is a term used in cost accounting that refers to the amount of time a job task is idle before the order is processed or the machine is set up. Waiting time affects both the producer and the consumer.
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How do you classify the time for a machine operatorwho, between every job and sometimes in the middle ofjobs, turns off the machine and goes for stock?
How can the time for a machine operator be classified,Turns between each job and often between work Go for stock, off the machine?
You are given the following information
(a) Develop the mean observed time for each element.(b) Calculate the normal time for each element.(c) Using an allowance factor of 15 percent of job time, calculatethe standard time for each element and for the entire job.(d) How many units should be completed each hour if theworker performs at 100 percent of the standard?(e) How many units should be completed each hour if theworker performs at 110 percent of the standard?
Chapter 10 Solutions
Operations Management, Student Value Edition
Ch. 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. 9DQCh. 10 - Prob. 10DQ
Ch. 10 - Prob. 11DQCh. 10 - Prob. 12DQCh. 10 - Prob. 13DQCh. 10 - Prob. 14DQCh. 10 - Prob. 1PCh. 10 - Draw an activity chart for a machine operator with...Ch. 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 - Prob. 23PCh. 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. 38PCh. 10 - Prob. 1CSCh. 10 - Prob. 2CSCh. 10 - Prob. 3CSCh. 10 - Prob. 4CSCh. 10 - Prob. 1VCCh. 10 - Prob. 2VCCh. 10 - Prob. 3VCCh. 10 - Prob. 4VC
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- How many work cycles should be timed to estimate the average cycle time to within 2 percent ofthe sample mean with a confidence of 99 percent if a pilot study yielded these times (minutes):5.2, 5.5, 5.8, 5.3, 5.5, and 5.1? The standard deviation is .253 minutes per cycle.arrow_forwardGive at least 3 examples of jobs that requires Work Measurement and give a brief explaination.arrow_forwardNine observations from a work measurement study using continuous timing are shown below. Allowances are determined as: personal, five percent; fatigue, eight percent; delay, five percent. Use the Work Measurement Excel template to determine the standard time for this operation. Work Observation Element 1 2 3 4 5 6 7 8 9 Performance Rating A 0.09 0.14 0.08 0.07 0.10 0.09 0.15 0.14 0.15 110% B 0.23 0.20 0.22 0.20 0.24 0.23 0.29 0.27 0.27 90% C 0.49 0.51 0.49 0.46 0.49 0.49 0.51 0.49 0.48 95% D 0.64 0.66 0.63 0.62 0.69 0.67 0.67 0.66 0.70 115% E 0.72 0.74 0.74 0.69 0.81 0.82 0.79 0.80 0.82 105% F 1.01 1.03 0.99 0.99 1.09 1.12 1.03 1.07 1.12 85% Round your answer to two decimal places. minutesarrow_forward
- Use excel to show formulas 2.A job had an observed time of five minutes, a performance rating of .70, and an allowance factor of 20 percent of job time. Twenty cycles were timed. Standard time for the job in minutes is:arrow_forwardIn time study, the rating factor is applied to determine: A) Standard time of a job B) Merit rating of the worker C) Normal time of a worker.arrow_forwardThe owner of mid-sized cat motel wants to develop a time standard for the task of cleaning a cat cage. In a preliminary study, she observed one of her workers perform this task six times, with the following results: Observation 1 2 3 4 5 6 Time(Seconds) 99 87 90 81 93 90 What is the standard time for this task if the employee worked at a 50 percent faster pace than average, and an allowance of 10 percent of the workday is used?arrow_forward
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