Operations Management
11th Edition
ISBN: 9780132921145
Author: Jay Heizer
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 15, Problem 1DQ
Summary Introduction
To determine: The objective of
Introduction: Scheduling is the process of controlling and arranging the workloads of the production process using an optimized method. It is used to plan allocating human resources and machinery.
Expert Solution & Answer
Explanation of Solution
The major objective of scheduling is as follows:
The major objective of scheduling is that it is used to allocate human resources and material resources in an optimized way. It helps the firm to attain the production objective efficiently, without wasting resources.
Want to see more full solutions like this?
Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!
Students have asked these similar questions
QUESTION 5 (SCHEDULING: CYCLICAL SCHEDULING)
15.26 Daniel's Barber Shop at Newark Airport is open
7 days a week but has fluctuating demand. Daniel Ball is inter-
ested in treating his barbers as well as he can with steady work
and preferably 5 days of work with two consecutive days off.
His analysis of his staffing needs resulted in the following plan.
Schedule Daniel's staff with the minimum number of barbers.
DAY
MON. TUE. WED. THU. FRI. SAT. SUN.
6
5
5
5
6
4
3
Barbers
needed
Question 1) Scheduling
If the following jobs are sequenced according to the FCFS rule
Job
Processing Time (days)
Due Date
A
8
12
B
6
15
C
11
17
D
5
10
E
3
8
What is the mean tardiness (in days) for all jobs?
What is the mean completion time in days for all jobs?
What is the maximum job tardiness (in days)
QUESTION 4 (SCHEDULING: JOHNSON'S RULE)
The following schedule was prepared by the production manager of Marymount Metal Shop:
Determine a schedule that will result in the earliest completion of all jobs on this list.
CUTTING
POLISHING
Job
ABCDEFG
(ii)
(iii)
(iv)
Start
0
2
6
11
15
17
20
Finish
2
6
11
15
17
20
21
Start
2615232
11
20
24
Finish
5
9
13
20
23
24
28
What is the optimal sequence?
Draw the time-phased chart.
What is the total completion time?
What is the total idle time at Polishing work centre?
Chapter 15 Solutions
Operations Management
Ch. 15 - Prob. 1DQCh. 15 - Prob. 2DQCh. 15 - Prob. 3DQCh. 15 - Prob. 4DQCh. 15 - Prob. 5DQCh. 15 - Prob. 6DQCh. 15 - Prob. 7DQCh. 15 - Prob. 8DQCh. 15 - Prob. 9DQCh. 15 - Prob. 10DQ
Ch. 15 - Prob. 11DQCh. 15 - Prob. 12DQCh. 15 - Prob. 13DQCh. 15 - Prob. 1PCh. 15 - Prob. 2PCh. 15 - Prob. 3PCh. 15 - Prob. 4PCh. 15 - Prob. 5PCh. 15 - Prob. 6PCh. 15 - Prob. 7PCh. 15 - Prob. 8PCh. 15 - Prob. 9PCh. 15 - Prob. 10PCh. 15 - Prob. 11PCh. 15 - Prob. 12PCh. 15 - Prob. 13PCh. 15 - Prob. 14PCh. 15 - Prob. 15PCh. 15 - Prob. 16PCh. 15 - Prob. 17PCh. 15 - Prob. 18PCh. 15 - Prob. 19PCh. 15 - Prob. 20PCh. 15 - Prob. 21PCh. 15 - Prob. 1CSCh. 15 - Prob. 2CSCh. 15 - Prob. 3CSCh. 15 - Prob. 4CSCh. 15 - Prob. 1.1VCCh. 15 - Prob. 1.2VCCh. 15 - Prob. 1.3VCCh. 15 - Prob. 1EDCh. 15 - Prob. 2.1VCCh. 15 - Prob. 2.2VCCh. 15 - Prob. 2.3VCCh. 15 - Prob. 2.4VC
Knowledge Booster
Learn more about
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
- Q. 3 What is the total makespan from Question 1? Question 1: Four floral arranging jobs are to be carried out across three stations: A (Arrange), B (Bag), C (crop) shown. The station sequences and job times in minutes are shown below, along with the due dates for each job. Using an "earliest due date" job dispatching priority rule, which, if any, of the jobs in will be late? Answer was Job 4 Group of answer choices a. 100 b. 130 c. 150 d. 170 e. 200arrow_forwardQuestion 33 The processing times of five jobs are given as follows: Job Processing time (minutes) A 20 B 60 C 30 D 75 E 15 Assume the jobs arrived in alphabetical order of the job name and no other job arrives in the next 200 minutes. What is the average inventory if the jobs are processed in shortest processing time (SPT) order? Group of answer choices 3.00 2.92 1.97 2.20arrow_forwardQuestion 1 Four floral arranging jobs are to be carried out across three stations: A (Arrange), B (Bag), C (crop) shown. The station sequences and job times in minutes are shown below, along with the due dates for each job. Using an "earliest due date" job dispatching priority rule, which, if any, of the jobs in will be late? Tip: create a Gantt chart schedule before answering Questions 4 & 5. a. Jobs 2 & 3 b. Jobs 3 & 4 c. Job 3 d. Job 4 e. None of the jobs will be latearrow_forward
- Define schedule activity lagarrow_forwardQUESTION 6 The framing department has six jobs waiting to be processed as shown in Table 3 below. It is now time zero and all jobs are ready to begin. Each has only one operation remaining. Table 3 Jobs (In order of arrival) Processing Time Due Date A 5 12 B 7 18 C 8. 14 D 3 10 E 9 22 F 12 17 Using minimum flow time as the evaluation criterion, recommend the best rule to sequence the jobs from the list below: i. FCFS ii. SOT iii. EDD iv. STRarrow_forwardAllocate the tasks to workstations taking into consideration the precedence requirements and using the LOT rule to break ties between feasible tasks.arrow_forward
- Dr. P. Question 4 An activity in a network diagram has an optimistic time estimate of five days, a most likely time estimate of seven days, and a pessimistic time estimate of 15 days. Its expected time is O 15 days O 10 days 08 days 07 days 0 5 days Previous Ne. MacBook Airarrow_forwardQuestion 5: The following figure shows the product structure tree of product A. A D (2) B (2) E (1) C (1) | D (3) The company requires 200 units of product A in period 8 and 150 units in period 6. The on hand inventory for products A, B, C, D and E are 50, 150, 40, 100, 70 respectively. The lead times for products A, B, C, D and E are 1, 0, 2, 1, 1. Develop the MRP and specify gross and net requirements, projected on-hand, planned order receipts, and planned order release for all the products. Assume we use lot-for-lot ordering for all the products and not safety stock is required.arrow_forwardQuestion : Describe in detail about the facility layout of a garment industry. Need urgent answer.arrow_forward
- Question 4 Sunny Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for (1) cutting and sewing and (2) delivery of each of the suits. Suit 1 2 3 Cut and sew 4 7 6 Deliver 2 7 5 Determine a sequence that will minimize the total completion time for these jobs. Determine the efficiency of the sequences.arrow_forwardQuestion 1: Alice and her family is preparing for their Thanksgiving trip. The preparation requires the completion of the following activities along with their durations and immediate predecessor(s): (Ac- tivity: A, Duration: 5, Predecessor(s): None);(Activity: B, Duration: 2, Predecessor(s): A);(Activity: C, Duration: 5, Predecessor(s): A);(Activity: D, Duration: 2, Predecessor(s): B,C);(Activity: E, Du- ration: 2, Predecessor(s): C);(Activity: F, Duration: 1, Predecessor(s): D);(Activity: G, Duration: 4, Predecessor(s): A,B,F) 1) Draw the network diagram of this Thanksgiving trip preparation. 2) Find the earliest start times of all the activities. 3) What is the critical path? 4) What is the project duration?arrow_forwardQuestion Consider the following transactions occurring during a given fortnight. Remi's wage for his casual job is $600, paid on his bank transaction account (transaction 1); his scholarship allowance for studying is $150, paid on his bank transaction account (transaction 2); he pays a rent of $250 through a bank account transfer (transaction 3); the coupons on his portfolio of bonds pays $70 on his transaction account (transaction 4); he receives $350 in his transaction account for selling shares he had bought at $300 (transaction 5); he buys a TV worth $920 with his debit card (transaction 6). Draw Remi's balance sheet and represent how the six transactions above have affected it. Use one single balance sheet, indicate the value of the variations (sign followed by a number) and use only one name for each item [example: equity name appears only once even if several transactions are under equity] No explanations are required. How much of the funding of the TV comes from…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Practical Management ScienceOperations ManagementISBN:9781337406659Author:WINSTON, Wayne L.Publisher:Cengage,
Operations ManagementOperations ManagementISBN:9781259667473Author:William J StevensonPublisher:McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi...Operations ManagementISBN:9781259666100Author:F. Robert Jacobs, Richard B ChasePublisher:McGraw-Hill Education
Purchasing and Supply Chain ManagementOperations ManagementISBN:9781285869681Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. PattersonPublisher:Cengage Learning
Production and Operations Analysis, Seventh Editi...Operations ManagementISBN:9781478623069Author:Steven Nahmias, Tava Lennon OlsenPublisher:Waveland Press, Inc.
Practical Management Science
Operations Management
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:Cengage,
Operations Management
Operations Management
ISBN:9781259667473
Author:William J Stevenson
Publisher:McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi...
Operations Management
ISBN:9781259666100
Author:F. Robert Jacobs, Richard B Chase
Publisher:McGraw-Hill Education
Purchasing and Supply Chain Management
Operations Management
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Cengage Learning
Production and Operations Analysis, Seventh Editi...
Operations Management
ISBN:9781478623069
Author:Steven Nahmias, Tava Lennon Olsen
Publisher:Waveland Press, Inc.