Operations Management
13th Edition
ISBN: 9780136860419
Author: Lee Krajewski
Publisher: Pearson Education
expand_more
expand_more
format_list_bulleted
Question
Chapter 10, Problem 3CS
Summary Introduction
Case summary:
Person K is the vice-president of operations at Company J, which received a request for quote of supplying 400 units per week. The employee must be permitted to perform the task 17 times. The actual times observed were given below:
| Number | Actual time (minutes) |
| 1 | 2.05 |
| 2 | 1.92 |
| 3 | 2.01 |
| 4 | 1.89 |
| 5 | 1.77 |
| 6 | 1.8 |
| 7 | 1.86 |
| 8 | 1.83 |
| 9 | 1.93 |
| 10 | 1.96 |
| 11 | 1.95 |
| 12 | 2.05 |
| 13 | 1.79 |
| 14 | 1.82 |
| 15 | 1.85 |
| 16 | 1.85 |
| 17 | 1.99 |
Performance rating is 115%, fatigue allowance is given as 8%, personal allowance is 6%, and delay allowance is 2%. Workday hour is 7.5 hours and the operators would be paid $12.50 per hour for 8 hours.
To determine: Thenumber of units to be produced in a workstation per day.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
question:
What is the amount of increase in profit for each Machine Hour added and what is the maximum number of yards that can be added for this amount of profit increase?
Question 2:
start ever
Activity A
Activity B
Activity A
Activity B
Activity C
Activity D
Activity E
Activity F
Activity G
Activity H
Activity
Activity C
20%
40%
40%
Calculate CTE of the following process:
Activity D
Activity E
2 days
1 day
1 day
2 days
2 days
1 day
1 day
4 days
Cycle Time
Activity G
Activity H
2 hours
2 hours
1 hour
2 hours
2 hours
3 hours
2 hours
4 hours
20%
Process Time
end event
L
* Question Completion Status:
QUESTION 7
The following is a simplex tableau:
Basis
Св
7.72X1
4.5X2
6.19X3
S1
S2
аз
RHS
X3
6.19
-1.25
1
-0.125
-0.75
12.5
S2
11.25
X1
7.72
1.25
1
-2.5
10.5
1
1
6.
6.19
-0.75
0.5
?
C-Z
0.75
-0.5
What is the value of Z
QUESTION 8
Minimize z = 4.5x1 + 4.5x2 + 4.28x3
(hundreds of dollars)
s.t:
?x1 + ?x2 + ?x3 > 140
(production capacity; hours)
Chapter 10 Solutions
Operations Management
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. 2PCh. 10 - Draw an activity chart for a machine operator with...Ch. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 1PCh. 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. 34PCh. 10 - Prob. 35PCh. 10 - Prob. 36PCh. 10 - Prob. 37PCh. 10 - Prob. 33PCh. 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. 2.1VCCh. 10 - Prob. 2.2VCCh. 10 - Prob. 2.3VCCh. 10 - Prob. 2.4VCCh. 10 - Prob. 1.1VCCh. 10 - Prob. 1.2VCCh. 10 - Prob. 1.3VC
Knowledge Booster
Similar questions
- Question 1 Rock View Restaurant is a new fast food restaurant chain. The Operations Manager has divided its normal drive-through service process into the following tasks: Tasks Description Task Time Predecessors (In Seconds) A Take order 25 None В Receive payment 20 A C Gather drinks 35 A D Gather food 32 А Put food etc. in bag Give food to E 25 C.D F 10 В.Е customer Currently, Rock View Restaurant has a single window with one person who takes the order, gather the food, collects the money and gives the food to the customer. This takes an average of 147 seconds per customer so only 25.5 cars can be served. Rock View Restaurant wants to increase its drive-through capacity to 60 cars per hour by forming a multi-window line. i. Draw the precedence diagram to represent the process at Rock View Restaurant. ii. Calculate the cycle time in seconds. iii. Calculate the minimum number of windows that Rock View Restaurant will need to serve 60 cars per hour.arrow_forwardQuestion: Courtesy Calls makes telephone calls for businesses and charities. A profit of $0.50 is made for each business call and $0.40 for each charity call. It takes 4 min (on average) to make a business call and 6 min (on average) to make a charity call. If there are 240 min of calling time to be distributed each day, how should that time be spent so that Courtesy Calls makes a maximum profit? What changes, if any, occur in the maximum profit and optimal production policy if they must make at least 12 business and 10 charity calls every day?arrow_forwardQuestion 1 Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in the plant each day. Daily demand is 60. The information for the tasks is as follows: Task Performance Time (in minutes) Task Must Follow This Task 13241325- с Н ABCDEFGHIN 25 32 A B B C, D A F G E, H Required: a. Draw the precedence diagram showing the task precedence and their times b. Determine the cycle time associated with the rate of output required. c. What is the theoretical minimum number of work stations required to satisfy this output rate? d. Allocate the tasks to work stations taking into consideration the precedence requirements and using the LOT rule to break ties between feasible tasks. e. What…arrow_forward
- Question 1 Rock View Restaurant is a new fast food restaurant chain. The Operations Manager has divided its normal drive-through service process into the following tasks: Tasks Description Task Time Predecessors (In Seconds) A Take order 25 None Receive payment 20 A Gather drinks 35 A D Gather food 32 A Put food etc. in bag 25 C,D F Give food to 10 В.Е customer Currently, Rock View Restaurant has a single window with one person who takes the order, gather the food, collects the money and gives the food to the customer. This takes an average of 147 seconds per customer so only 25.5 cars can be served. Rock View Restaurant wants to increase its drive-through capacity to 60 cars per hour by forming a multi-window line. iv. Using the LOT heuristic, assign the tasks to the windows to produce the desired service rate making sure that the precedence relationship is maintained. Calculate the efficiency of the newly design process. V.arrow_forwardQuestion 1- Week 31 Ola Ltd, which uses a job costing system, had two jobs in process at the start of the year: Job L1 ($68,000) and Job L2 ($30 000). The following information is available: i) The company applies manufacturing overhead on the basis of machine hours. Budgeted overhead and machine activity for the year were anticipated to be $1,000,000 and 25,000 hours, respectively. ii) The company worked on three jobs during the first quarter (i.e. from 1 January to 31 March). Direct materials used, direct labour incurred and machine hours consumed were as shown in the following table: Job numbers Direct material Direct labour Machine hours L1 $15,000 $30,000 900 L2 33,000 1,600 L3 45,000 65,000 2,000 ii) Manufacturing overhead incurred during the first quarter was $215,000. iv) Ola Ltd completed Job L1 and Job L2 during the first quarter. Job L2 was sold on credit, producing a profit of $30,000 for the company. Required: a) Calculate the company's predetermined overhead rate. b)…arrow_forwardQuestion 12 A project oriented process flow is more flexible than an assembly line orientation. Group of answer choices a. True b. Falsearrow_forward
- Question 3 OB) two If each task has a work time of one minute and there are 8 hours in a day, what is the minimum number of stations if 240 units should be produced each day? OA) three OC) four E OD) one Harrow_forwardQuestion 16 An activity on a PERT network has an optimistic time of 2 hours, a most likely time of 4 hours, and a pessimistic time of 14 hours. Find its STANDARD DEVIATION. O 2.5 hours O 1 hour O 0.5 hour 2 hours O 1.5 hoursarrow_forwardSUPERVISION QUESTION:arrow_forward
- Q: Discuss HRM in Construction process perspective. Subject: Human resources management in construction Program: construction engineering managementarrow_forwardMangement question Alpha Enterprises is a company manufacturing water geysers. The company has a functional structure with four main functions-Production, Marketing, Finance and Human Resource. As the demand for the product grew, the company decided to hire more employees. Identify the concept which will help the Human Resource Manager in deciding the actual number of persons required in each department.arrow_forwardQUESTION 2 Three estimates were 15, 1, and 24, not given in any order. What is the Three-point estimate? Pick closest answer. O 13 14 O 15 O 28arrow_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.