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Multiple Choice Quiz
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1
Scheduling decisions occur just prior to the conversion of inputs into outputs.
A)True
B)False
2
Priority scheduling models assume processing times are known and constant.
A)True
B)False
3
The FCFS rule is used to minimize job waiting time because the first to arrive is the first to be served.
A)True
B)False
4
Supermarkets use a form of the SPT rule by processing small orders through dedicated checkout lines.
A)True
B)False
5
The dynamics of job shops makes identifying an optimal processing sequence unlikely.
A)True
B)False
6
Low-volume systems are better able to take advantage of flow-shop scheduling than high-volume systems.
A)True
B)False
7
The term loading in the context of scheduling refers to assigning jobs to processing centers.
A)True
B)False
8
Gantt charts are visual aids that are widely used in scheduling.
A)True
B)False
9
Makespan is the total time required for a job to move through a system.
A)True
B)False
10
Priority rules involve simple heuristics to select the order in which jobs will be processed.
A)True
B)False
11
A confounding factor in job shop scheduling is that not all jobs require the same processing sequence.
A)True
B)False
12
Job flow time is the rate at which a work center can process jobs.
A)True
B)False
13
Priority rules generally assume that setup times are independent of processing order.
A)True
B)False
14
FCFS is one of the simplest processing rules, but also one of the least effective in job shops.
A)True
B)False
15
Johnson's Rule is a technique for minimizing makespan for a job that is processed on two machines.
A)True
B)False
16
Yield management is a pricing technique used by service organizations that have fixed capacity.
A)True
B)False
17
Which one of these involves managing work flow and queues at work centers?
A)assignment models
B)Hungarian method
C)load charts
D)I/O control
18
Which approach takes into account job processing times and work center capacities?
A)load chart
B)infinite loading
C)finite loading
19
Which one of these is an optimizing technique?
A)shortest processing time
B)first-come, first-served
C)critical ratio method
D)assignment method
E)fixed interval scheduling
20
Which rule minimizes lateness?
A)FCFS
B)SPT.
C)CR
D)EDD
21
The drum-buffer-rope technique is associated with
A)bottleneck operations
B)reservation systems
C)yield management
D)appointment systems
22
A possible disadvantage of the SPT priority rule is that it
A)it ignores processing times.
B)it tends to make jobs with long processing times wait
C)it upsets first-come-first served processing
D)None of these.
23
Which approach is not used for job shop sequencing?
A)shortest processing time
B)assignment method
C)critical ratio
D)earliest due date.





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