Question
In: Advanced Math
In a job shop operation, four jobs may be performed on any of four machines. The...
In a job shop operation, four jobs may be performed on any of four machines. The hours required for each job on each machine are presented in the following table. The plant supervisor would like to assign jobs so that total time is minimized. Find the best solution. Which assignments should be made?
|
Machine |
||||
|
Job |
W |
X |
Y |
Z |
|
A12 |
10 |
14 |
16 |
13 |
|
A15 |
12 |
13 |
15 |
12 |
|
B2 |
9 |
12 |
12 |
11 |
|
B9 |
14 |
16 |
18 |
16 |
Solutions
Colby Messinger answered 1 year agoRelated Solutions
In a small job shop department there are four jobs to be assigned to three workers....
In a small job shop department there
are four jobs to be assigned to three workers. The table below
indicates the weekly costs incurred by assigning each worker to
each job. The objective is to find the optimal assignment that will
minimize the total cost.
Worker/Job │
I II
III IV
A │ 12
10 11 15
B │
13 16
14 12
C │ 11 12
13 10
Formulate this problem as a linear programming model...
There are four jobs to be done and four machines with which to do them. Each...
There are four jobs to be done and four machines with which to
do them. Each resource will take a specific time, translated to
operating costs, to do each job, as shown in the following
table:
Machine
Job
1
2
3
4
A
$26
23
21
23
B
22
17
23
21
C
19
21
23
24
D
22
18
20
21
What is the result of the row reduction? (10 pts)
What is the result of the column...
1. Production system of any product or service may be categorized as Job shop, Batch, Mass...
1. Production system of any product or service may be
categorized as Job shop, Batch, Mass and Continuous production.
Explain the characteristics of each system, identifying two
advantages and two limitations of each system.
There are 5 jobs that have to be scheduled in a two-machine job shop system. The...
There are 5 jobs that have to be scheduled in a two-machine job
shop system. The processing time and the sequence of the required
operations of these jobs on the two machines are shown in the table
below. For example, job A needs 6 hours on machine 1 (M1) and 4
hours on machine 2 (M2), and it has to be processed on M1 and then
M2. You have to use the shortest processing time (SPT) rule to
schedule the...
Techuxia Corporation worked on four jobs during October: Job A256, Job A257, Job A258, and Job...
Techuxia Corporation worked on four jobs during October: Job
A256, Job A257, Job A258, and Job A260. At the end of October, the
job cost sheets for these jobs contained the following
data:
Job A256
Job A257
Job A258
Job A260
Beginning balance
$
1,060
$
530
$
0
$
0
Charged to the jobs during
October:
Direct materials
$
2,820
$
4,040
$
1,530
$
3,780
Direct labor
$
1,150
$
880
$
520
$
310
Manufacturing overhead
applied...
Techuxia Corporation worked on four jobs during October: Job A256, Job A257, Job A258, and Job...
Techuxia Corporation
worked on four jobs during October: Job A256, Job A257, Job A258,
and Job A260. At the end of October, the job cost sheets for these
jobs contained the following data:
Job A256
Job A257
Job A258
Job A260
Beginning
balance
$
1,050
$
540
$
0
$
0
Charged to the
jobs during October:
Direct
materials
$
2,840
$
4,000
$
1,420
$
3,770
Direct
labor
$
1,240
$
840
$
530
$
360
Manufacturing
overhead applied...
Job Costs At the end of May, Bergan Company had completed Jobs 200 and 305. Job...
Job Costs
At the end of May, Bergan Company had completed Jobs 200 and
305. Job 200 is for 2,390 units, and Job 305 is for 2,053
units.
The following data relate to these two jobs:
On May 7, Bergan Company purchased on account 10,000 units of
raw materials at $8 per unit. During May, raw materials were
requisitioned for production as follows: 7,500 units for Job 200 at
$8 per unit and 1,480 units for Job 305 at $5...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
9.0
11.0
9.7
7.9
7.8
10.2
12.7
5.4
9.8
9.6
12.1
7.6
10.4
10.4
10.8
8.7
9.5
9.2
11.3
7.7
9.9
9.0
11.2
(a)
At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.6
8.6
10.9
9.7
8.0
7.4
10.3
12.7
5.5
9.5
9.7
11.9
7.7
10.0
10.2
10.6
8.7
9.3
9.1
11.1
7.9
9.8
8.6
11.2
Use Fisher's LSD procedure to test for the equality of the means
for machines 2 and 4. Use a 0.05 level of significance.
Find the value of...
To test for any significant difference in the number of hours between breakdowns for four machines,...
To test for any significant difference in the number of hours
between breakdowns for four machines, the following data were
obtained.
Machine
1
Machine
2
Machine
3
Machine
4
6.5
8.9
10.7
9.9
7.8
7.7
10.0
12.9
5.4
9.6
9.4
12.0
7.5
10.2
10.0
10.7
8.4
9.5
8.9
11.2
7.6
9.9
8.6
11.7
(a)
At the α = 0.05 level of significance, what is the
difference, if any, in the population mean times among the four
machines?
State the null...
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