81.
The solution of a transportation model of dimension m × n is said to be degenerate if it has

82.
Five jobs are to be scheduled in two machines in a production unit. All the five jobs undergo processing in both the machines (shop floor). The table given below provides information on the processing time in both the machines.
Job No. Processing Time
Machine 1 Machine 2
1 4 7
2 6 3
3 2 3
4 7 7
5 8 6
Identify the best sequence using Johnson's rule.

84.
Which of the following statement is not true for push strategy?

85.
The calling population is assumed to be infinite when

90.
Which of the following describes an ERP system?

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