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WGU C215 Operations Management (NEW UPDATED VERSION) LATEST
ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED QUESTIONS AND
ANSWERS)- GUARANTEED PASS A+ UPDATED 2026
WGU C215 Operations Management –
Practice
1. A company reduces inventory storage by producing only what is needed. Which principle is
being applied?
Answer: Lean manufacturing
Rationale: Lean principles minimize waste, including excess inventory, to improve efficiency.
2. Which quality tool ranks causes of defects by their impact?
Answer: Pareto chart
Rationale: The Pareto principle (“80/20 rule”) identifies the vital few causes that create the
majority of problems.
3. A factory measures machine downtime versus operating time. What metric is this?
Answer: Utilization
Rationale: Utilization measures how effectively equipment is used relative to its available time.
4. Which production type is best for customized one-of-a-kind products?
Answer: Project process
Rationale: Project processes are designed for unique outputs rather than repetitive production.
5. A company monitors defects per million opportunities. Which methodology is this metric part
of?
Answer: Six Sigma
Rationale: DPMO is a Six Sigma metric used to measure quality at very low defect rates.
practice exam 2026
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6. Which inventory control method prioritizes items based on value and usage frequency?
Answer: ABC analysis
Rationale: ABC analysis allows managers to focus on high-value items (A) for better control.
7. A production line produces 500 units/day with 5 defective units. What is the defect rate?
Answer: 1%
Rationale: Defect rate = (Defective units ÷ Total units) × 100 = (5/500)×100 = 1%.
8. Which layout groups similar equipment together for flexibility?
Answer: Process layout
Rationale: Process layouts are used for small batches and custom orders where machines
perform similar functions.
9. Which document translates demand forecasts into a weekly production plan?
Answer: Master Production Schedule (MPS)
Rationale: MPS specifies what products to produce, in what quantity, and when.
10. A plant adds more capacity to reduce long lead times. Which planning activity is this?
Answer: Capacity planning
Rationale: Capacity planning ensures the system can meet demand without excessive delays.
11. A firm conducts inspections after production is complete. What type of quality cost is this?
Answer: Appraisal cost
Rationale: Appraisal costs are associated with evaluating products to ensure quality standards.
practice exam 2026
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12. A company sets up stations sequentially to assemble the same product repeatedly. This is:
Answer: Product layout
Rationale: Product layouts optimize high-volume, repetitive manufacturing for flow efficiency.
13. Which Lean tool signals production only when inventory is low?
Answer: Kanban
Rationale: Kanban is a visual signal in pull systems that triggers replenishment.
14. Which tool identifies potential causes of a problem visually?
Answer: Fishbone diagram
Rationale: Fishbone diagrams help teams explore root causes of defects systematically.
15. A company tracks average demand and seasonal fluctuations. This is an example of:
Answer: Time series forecasting
Rationale: Time series forecasting uses historical data to predict future trends.
16. Which type of production focuses on large volumes of standardized products?
Answer: Continuous process
Rationale: Continuous processes are used for high-volume, uninterrupted production of
homogeneous products.
17. A company measures units produced per labor hour. Which metric is this?
Answer: Productivity
Rationale: Productivity compares output to input to evaluate operational efficiency.
18. Which cost occurs when a defective product reaches the customer?
Answer: External failure cost
Rationale: External failures are costly because defects are discovered after delivery.
practice exam 2026
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19. Which process layout factor affects flexibility and flow?
Answer: Grouping machines by function
Rationale: Process layouts allow for customization but may require more material handling.
20. A company evaluates multiple potential sites to minimize cost and maximize efficiency. This
is:
Answer: Location analysis
Rationale: Location decisions consider labor, materials, transportation, and market access.
21. Which Six Sigma tool measures process variation and stability?
Answer: Control chart
Rationale: Control charts detect process variability outside set control limits.
22. A firm tracks total quality costs including prevention, appraisal, and failures. This is:
Answer: Cost of Quality (CoQ)
Rationale: CoQ quantifies costs associated with ensuring product quality and managing defects.
23. A factory schedules work using a visual timeline showing dependencies. What is this?
Answer: Gantt chart
Rationale: Gantt charts visually display tasks, durations, and sequencing for planning.
24. A company reduces non-value-added steps in production. This principle is:
Answer: Lean manufacturing
Rationale: Lean eliminates waste to improve efficiency and flow.
practice exam 2026
WGU C215 Operations Management (NEW UPDATED VERSION) LATEST
ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED QUESTIONS AND
ANSWERS)- GUARANTEED PASS A+ UPDATED 2026
WGU C215 Operations Management –
Practice
1. A company reduces inventory storage by producing only what is needed. Which principle is
being applied?
Answer: Lean manufacturing
Rationale: Lean principles minimize waste, including excess inventory, to improve efficiency.
2. Which quality tool ranks causes of defects by their impact?
Answer: Pareto chart
Rationale: The Pareto principle (“80/20 rule”) identifies the vital few causes that create the
majority of problems.
3. A factory measures machine downtime versus operating time. What metric is this?
Answer: Utilization
Rationale: Utilization measures how effectively equipment is used relative to its available time.
4. Which production type is best for customized one-of-a-kind products?
Answer: Project process
Rationale: Project processes are designed for unique outputs rather than repetitive production.
5. A company monitors defects per million opportunities. Which methodology is this metric part
of?
Answer: Six Sigma
Rationale: DPMO is a Six Sigma metric used to measure quality at very low defect rates.
practice exam 2026
,2|Page
6. Which inventory control method prioritizes items based on value and usage frequency?
Answer: ABC analysis
Rationale: ABC analysis allows managers to focus on high-value items (A) for better control.
7. A production line produces 500 units/day with 5 defective units. What is the defect rate?
Answer: 1%
Rationale: Defect rate = (Defective units ÷ Total units) × 100 = (5/500)×100 = 1%.
8. Which layout groups similar equipment together for flexibility?
Answer: Process layout
Rationale: Process layouts are used for small batches and custom orders where machines
perform similar functions.
9. Which document translates demand forecasts into a weekly production plan?
Answer: Master Production Schedule (MPS)
Rationale: MPS specifies what products to produce, in what quantity, and when.
10. A plant adds more capacity to reduce long lead times. Which planning activity is this?
Answer: Capacity planning
Rationale: Capacity planning ensures the system can meet demand without excessive delays.
11. A firm conducts inspections after production is complete. What type of quality cost is this?
Answer: Appraisal cost
Rationale: Appraisal costs are associated with evaluating products to ensure quality standards.
practice exam 2026
,3|Page
12. A company sets up stations sequentially to assemble the same product repeatedly. This is:
Answer: Product layout
Rationale: Product layouts optimize high-volume, repetitive manufacturing for flow efficiency.
13. Which Lean tool signals production only when inventory is low?
Answer: Kanban
Rationale: Kanban is a visual signal in pull systems that triggers replenishment.
14. Which tool identifies potential causes of a problem visually?
Answer: Fishbone diagram
Rationale: Fishbone diagrams help teams explore root causes of defects systematically.
15. A company tracks average demand and seasonal fluctuations. This is an example of:
Answer: Time series forecasting
Rationale: Time series forecasting uses historical data to predict future trends.
16. Which type of production focuses on large volumes of standardized products?
Answer: Continuous process
Rationale: Continuous processes are used for high-volume, uninterrupted production of
homogeneous products.
17. A company measures units produced per labor hour. Which metric is this?
Answer: Productivity
Rationale: Productivity compares output to input to evaluate operational efficiency.
18. Which cost occurs when a defective product reaches the customer?
Answer: External failure cost
Rationale: External failures are costly because defects are discovered after delivery.
practice exam 2026
, 4|Page
19. Which process layout factor affects flexibility and flow?
Answer: Grouping machines by function
Rationale: Process layouts allow for customization but may require more material handling.
20. A company evaluates multiple potential sites to minimize cost and maximize efficiency. This
is:
Answer: Location analysis
Rationale: Location decisions consider labor, materials, transportation, and market access.
21. Which Six Sigma tool measures process variation and stability?
Answer: Control chart
Rationale: Control charts detect process variability outside set control limits.
22. A firm tracks total quality costs including prevention, appraisal, and failures. This is:
Answer: Cost of Quality (CoQ)
Rationale: CoQ quantifies costs associated with ensuring product quality and managing defects.
23. A factory schedules work using a visual timeline showing dependencies. What is this?
Answer: Gantt chart
Rationale: Gantt charts visually display tasks, durations, and sequencing for planning.
24. A company reduces non-value-added steps in production. This principle is:
Answer: Lean manufacturing
Rationale: Lean eliminates waste to improve efficiency and flow.
practice exam 2026
