Principles Of Operations Management
11th Edition
ISBN: 9780135173930
Author: RENDER, Barry, HEIZER, Jay, Munson, Chuck
Publisher: Pearson,
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Chapter 10, Problem 3P
Summary Introduction
To determine: To draw an activity chart for a machine operator
Introduction: An activity chart is the type of chart that is used to observe the present method and propose improvement. The study helps to improve the utilization of a machine, operator, and a combination of machine and operator.
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Kiko Teddy Bear is a manufacturer of stuffed teddy bears. Kiko would like to be able to produce 40 teddy bears per hour on its assembly line. The following information will assist in answering the questions that follow:
Task Information for Kiko Teddy Bear
Work Element
Task Description
Immediate Predecessor
Task time (in seconds)
A
Cut teddy bear pattern
None
90
B
Sew teddy bear cloth
a
75
C
stuff teddy bear
b
50
D
glue on eyes
c
20
E
glue on nose
c
15
F
sew on mouth
c
35
G
attach manufacturer's label
b
15
H
Inspect and pack teddy bear
d,e,f,g
40
a. Draw a precedence diagram.
b. What cycle time would provide the desired output?
c. What is the maximum possible output of the line?
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.
Jamison Day Consultants has been entrusted with thetask of evaluating a business plan that has been divided into foursections—marketing, finance, operations, and human resources.Chris, Steve, Juana, and Rebecca form the evaluation team. Eachof them has expertise in a certain field and tends to finish thatsection faster. The estimated times taken by each team memberfor each section have been outlined in the table below. Furtherinformation states that each of these individuals is paid $60/hour.a) Assign each member to a different section such that JamisonConsultants’s overall cost is minimized.b) What is the total cost of these assignments?Times Taken by Team Members for Different Sections (minutes)MARKETING FINANCE OPERATIONS HRChris 80 120 125 140Steve 20 115 145 160Juana 40 100 85 45Rebecca 65 35 25 75
A work operation consisting of three elements has been subjected to a stopwatch time study. The recorded observations are shown in the following table. By union contract, the allowance time for the operation is personal time 5%, delay 5%, and fatigue 10%. Determine the standard time for the work operation.
Chapter 10 Solutions
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
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
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- You are alone at home and have to prepare a bread sandwich for yourself. The following preparation activities and time taken are given in the table below: Task Description Predecessor Time (Minutes) A Purchase of bread - 20 B Take cheese and apply on bread A 5 C Get onions from freezer A 1 D Fry onions with pepper B,C 6 E Purchase sauce for bread - 15 F Toast bread B,C 4 G Assemble bread and fried onions F 2 H Arrange in plat G 1 Determine: a. While purchasing sauce, you met a friend and spoke to him for 6 minutes. Did this cause any delay in the preparation?arrow_forwardKiko 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 Bear Work Element Task Description ImmediatePredecessor Task 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…arrow_forwardKiko 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 Bear Work Element Task Description ImmediatePredecessor Task 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…arrow_forward
- The normal time for a work cycle in a worker-machine system is 6.0 min. For setting the standard time, the PFD allowance factor is 15%, and the machine allowance factor is 20%. The work cycle includes manual elements totaling a normal time of 5.5 min, all but 0.75 min of which are performed as internal elements. Determine (a) the daily output at standard performance. (b) During an 8-hour shift, the worker lost 20 min due to personal time, rest breaks, and delays, and she produced 80 pieces. What was the worker’s pace on the operator-controlled portion of the shift?arrow_forwardWhat is the Work Breakdown Structure (WBS) for the parking reservation system? Tell me what I should do.arrow_forwardAn Insurance Company is introducing two new product lines: special risk insuranceand mortgages. The expected profit is $5 per unit on special risk insurance and $2 per unit onmortgages. Management wishes to establish sales quotas for the new product lines tomaximize total expected profit. The work requirements are as follows: - Should the company consider acquiring an additional 500 hours for the Underwritingdepartment at a cost of $2 per hour, and why? - Based on the sensitivity report, can you determine the increase or decrease in profit if 100work hours were transferred from Administration to Underwriting? If not, how you would beable to find the profit change in such a scenario.arrow_forward
- Power Builders Inc. is planning for an upcoming job with a large client. They have listed the specific activities and steps to be performed, and estimated the time to complete each activity. The activities involved in the job are listed below: Activity Description of Activity Preceding Activity Estimated Time Required (in weeks) A B C D E F G H I J K Planning Meeting Obtain Permit Inspect Damage Begin Repair Work Order Additional Materials Apply for Waiver Obtain Waiver Complete Electrical Work Build Interior Partitions Onsite Testing Meet With Client -- A B A D E C, F D H G, I J 5 2 5 4 2 4 2 5 5 2 2 REQUIRED: Prepare a Gantt Chart from the facts in this time budget.arrow_forwardGiven the operation times provided:a. Develop a job sequence that minimizes idle time at the two work centers.b. Construct a chart of the activities at the two centers, and determine each one’s idle time,assuming no other activities are involved.JOB TIMES (minutes)A B C D E FCenter 1 20 16 43 60 35 42Center 2 27 30 51 12 28 24arrow_forwardJamison Day Consul tants has been entrusted with thetask of evaluating a business plan that has been divided into foursections- marketing, finance, operations, and human resources.Chris, Steve, Juana, and Rebecca form the evaluation team. Each of them has expertise in a certain field and tends to finish thatsection faster. The estimated times taken by each team memberfor each section have been outlined in the following table. Furtherinformation states that each of these individuals is paid $60/hour.a) Assign each member to a different section such that JamisonConsultants's overall cost is minimized.b) What is the total cost of these assignments?arrow_forward
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