OPS 571 WEEK 6 QUIZ
1
Which of the following is a focusing step of Dr. Eli Goldratt's theory of constraints?
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Do not modify a process after improvement of a constraint is achieved.
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Identify system constraints that prevent the system from achieving its goal.
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Isolate constraints to reduce the constraint- capacity.
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Align the whole system to support processes prior to the constraint.
Correct
• 2
According to Goldratt, which of the following is defined as “any resource whose capacity is less than the demand placed on it�
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Buffer resource
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Bottleneck resource
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Capacity-constrained resource
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Nonbottleneck resource
Correct
• 3
According to the theory of constraints which of the following is a FINANCIAL measurement that can be used to measure the firm's ability to make money?
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Sales
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Inventory
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Operating expenses
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Cash flow
Correct
• 4
The Shingo system of quality control relies heavily on fail-safe procedures or devices called what?
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Checklists
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DPMO-
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CTQs
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Poka-yokes
Correct
• 5
Goldratt- theory of constraints (TOC) could be restated using which of the following?
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Continuous adjustments after a constraint problem is solved will cause more problems
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Any system is limited in achieving more of its goals by a very small number of constraints
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A system with constraints will not be able to achieve its goals
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A system constraint cannot be identified and thus cannot be improved
Correct
• 6
The idea that statistical methods of quality control, including six-sigma, does not prevent defects, is central to what alternative quality system?
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Shingo System
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SQC methods
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Deming PDCA cycle
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DMAIC cycle
Correct
• 7
The Shingo approach to quality control depends on which of the following?
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Use of statistically based approaches to quality control
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Use of source inspection on 100% of the items produced
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Extensive use of control charts
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Use of a sophisticated method of acceptance sampling
Correct
• 8
According to the theory of constraints, which of the following is an OPERATIONAL measurement that can be used to measure the firm's ability to make money?
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Inventory
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Net Profit
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Unit cost
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Operating revenue
Correct
• 9
Statistical Process Control (SPC) and data from the actual process to statistically monitor the process over time are employed during which step of the DMAIC cycle?
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Define
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Measure
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Control
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Improve
Correct
• 10
A bottleneck in a manufacturing process may be targeted and eliminated by employing which of the following?
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Install more efficient equipment where capacity is less than the demand.
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Increase the capacity of a nonbottleneck resource.
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Increase labor equally throughout the system.
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Increase the idle time of a capacity-constrained resource in the system.
Correct
• 11
According to the theory of constraints, which of the following would be included in the Throughput operational measurement?
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Goods sold
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Finished goods
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Raw materials
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Work in process
Correct
• 12
The DMAIC cycle of Six Sigma is similar to which of the following quality management topics?
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External benchmarking
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ISO 9000
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Continuous improvement
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SERQUAL
Correct
• 13
Identifying critical-to-quality characteristics (CTQs) takes place in which step of the DMAIC methodology?
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Define
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Analyze
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Measure
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Improve
Correct
• 14
According to the theory of constraints which of the following can be a CCR?
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A customer
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Factory layout
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Product design
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An employee
Correct
• 15
Which of the following are examples of Goldratt- Rules of Production Scheduling?
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An hour saved at a bottleneck is a mirage
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Nonbottlenecks govern throughput
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Utilization and activation are the same
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Balance flow, not capacity
Correct
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