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1. Summing the setup times and run times for all remaining operations, and subtracting
this from the time remaining until the due date is referred to as
a. Order Slack (ST) rule
b. Critical Ratio (CR) rule
c. Slack per operation (ST/O) rule
d. Make-span
2. Examining realistic, multiple-machine, dynamic scheduling situations is possible by
using
a. priority sequencing rules
b. linear programming
c. mixed integer programming
d. Simulation
3. Which of the following statement(s) is (are) correct?
a. In a one machine system, the order in which jobs are processed has no effect on
total time to do all the jobs.
b. In a one machine system, the SPT rule for sequencing the order of jobs will result
in minimizing average job completion (flow) time.
c. In a one machine system, the EDD rule for sequencing the order of jobs will result
in minimizing average lateness.
d. In a two machine system, Johnson's rule for sequencing the order of jobs will
result in minimizing the total time to do all the jobs on both the machines.
e. All options are true.
4. The lowest planning and control level in MPC is:
a. MRP
b. PAC
c. SOP
d. MPS
e. BOM
5. The total time to process an entire set of jobs at a work center is referred to as
a. Lead time
b. Lot-sizing
c. Make-span
d. shortest processing time
6. Johnson’s rule when applied in a two-machine case will provide minimum average
lateness.
a. True
b. False
7. The primary PAC objective is managing the materials flow to meet MPC plans
a. True