WGU C215 OPERATIONS
MANAGEMENT COMPREHENSIVE
EXAM GUIDE
1. Which quality management expert is best known for the ‘Quality Trilogy’ consisting of
planning, control, and improvement?
A. Joseph Juran
B. Philip Crosby
C. W. Edwards Deming
D. Taiichi Ohno
Answer: A
Conceptual Explanation: Joseph Juran developed the Quality Trilogy, emphasizing that
quality management involves quality planning, quality control, and quality improvement.
2. In the Six Sigma DMAIC process, which phase is primarily concerned with identifying the
root cause of defects?
A. Analyze
B. Define
C. Improve
,D. Control
Answer: A
Conceptual Explanation: The Analyze phase of DMAIC focuses on identifying the root
causes of the problem and confirming them with data.
3. Which type of inventory involves items that are currently being processed within the
production facility?
A. Work-in-process (WIP)
B. Finished goods
C. Maintenance, repair, and operating (MRO) supplies
D. Raw materials
Answer: A
Conceptual Explanation: Work-in-process (WIP) refers to goods that have entered the
production process but are not yet completed.
4. The ‘bullwhip effect’ in supply chain management is primarily characterized by:
A. Reduced lead times across the supply chain
B. Improved communication between retailers and wholesalers
C. Increasing fluctuations in inventory in response to customer demand changes as one
moves up the supply chain
D. A decrease in safety stock levels
, Answer: C
Conceptual Explanation: The bullwhip effect occurs when small fluctuations in demand at
the retail level cause progressively larger fluctuations at the wholesale, distributor, and
manufacturer levels.
5. What is the primary goal of Just-in-Time (JIT) production systems?
A. To maximize warehouse space utilization
B. To produce goods in large batches to achieve economies of scale
C. To ensure a high level of safety stock is always maintained
D. To eliminate waste by producing only what is needed, when it is needed
Answer: D
Conceptual Explanation: JIT is a lean manufacturing philosophy aimed at reducing waste
and improving throughput by producing items only as they are required.
6. Which layout type is most appropriate for a high-volume, standardized production
environment like an automotive assembly line?
A. Process Layout
B. Fixed-Position Layout
C. Cellular Layout
D. Product Layout
Answer: D
MANAGEMENT COMPREHENSIVE
EXAM GUIDE
1. Which quality management expert is best known for the ‘Quality Trilogy’ consisting of
planning, control, and improvement?
A. Joseph Juran
B. Philip Crosby
C. W. Edwards Deming
D. Taiichi Ohno
Answer: A
Conceptual Explanation: Joseph Juran developed the Quality Trilogy, emphasizing that
quality management involves quality planning, quality control, and quality improvement.
2. In the Six Sigma DMAIC process, which phase is primarily concerned with identifying the
root cause of defects?
A. Analyze
B. Define
C. Improve
,D. Control
Answer: A
Conceptual Explanation: The Analyze phase of DMAIC focuses on identifying the root
causes of the problem and confirming them with data.
3. Which type of inventory involves items that are currently being processed within the
production facility?
A. Work-in-process (WIP)
B. Finished goods
C. Maintenance, repair, and operating (MRO) supplies
D. Raw materials
Answer: A
Conceptual Explanation: Work-in-process (WIP) refers to goods that have entered the
production process but are not yet completed.
4. The ‘bullwhip effect’ in supply chain management is primarily characterized by:
A. Reduced lead times across the supply chain
B. Improved communication between retailers and wholesalers
C. Increasing fluctuations in inventory in response to customer demand changes as one
moves up the supply chain
D. A decrease in safety stock levels
, Answer: C
Conceptual Explanation: The bullwhip effect occurs when small fluctuations in demand at
the retail level cause progressively larger fluctuations at the wholesale, distributor, and
manufacturer levels.
5. What is the primary goal of Just-in-Time (JIT) production systems?
A. To maximize warehouse space utilization
B. To produce goods in large batches to achieve economies of scale
C. To ensure a high level of safety stock is always maintained
D. To eliminate waste by producing only what is needed, when it is needed
Answer: D
Conceptual Explanation: JIT is a lean manufacturing philosophy aimed at reducing waste
and improving throughput by producing items only as they are required.
6. Which layout type is most appropriate for a high-volume, standardized production
environment like an automotive assembly line?
A. Process Layout
B. Fixed-Position Layout
C. Cellular Layout
D. Product Layout
Answer: D
