Asked by Abder-rahmane Cisse on Jun 05, 2024
Verified
There are 5 jobs (A, B, C, D,
E) that need to be completed in a work centre. The due dates are the 10th, 13th, 8th, 20th, and 15th respectively with process times of 7, 12, 7, 20, and 10 respectively as well. If today is the 1st of the month calculate the critical ratio for each and use this value to sequence the jobs in the order they should be started.
Critical Ratio
A decision-making tool that compares the time remaining until a deadline with the total remaining time required for completion.
Work Centre
A specific location, machine, or group of machines where operations or processing steps are carried out.
Process Times
The duration required to complete a specific activity or sequence of activities in a production or business process.
- Calculate critical ratios for job sequencing.
- Identify the optimal scheduling method based on specific performance criteria.
Verified Answer
JJ
Jordyn JohnsonJun 12, 2024
Final Answer :
A = 10/7 = 1.43
B = 13/12 = 1.08
C = 8/7 = 1.14
D = 20/20 = 1
E = 15/10 = 1.5
Thus the sequence would be DBCAE, or lowest critical ratio first
B = 13/12 = 1.08
C = 8/7 = 1.14
D = 20/20 = 1
E = 15/10 = 1.5
Thus the sequence would be DBCAE, or lowest critical ratio first
Learning Objectives
- Calculate critical ratios for job sequencing.
- Identify the optimal scheduling method based on specific performance criteria.