PE: Industrial Engineering Exam Practice Test
NCEES PE Industrial Engineering exam covering engineering economics, probability, statistics, production and inventory management, quality, ergonomics, and operations research. Administered by NCEES. Key domains include Facilities Engineering and Planning, Operations Engineering, Quality Engineering and Systems Engineering. The exam consists of 85 questions over 570 minutes.
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In a QFD house of quality for a filling line, customer weights for uptime, cleanability, and traceability are 5, 4, and 3. The engineering characteristic 'seal integrity' has relationship scores 9, 3, and 1. Another feature has a single strong relationship to traceability only. Which conclusion is most defensible?
A gage R&R study finds repeatability variation of 18% of study variation and reproducibility variation of 8%; total gage R&R is 24%. Operators are debating process adjustments based on small measured shifts. What conclusion is best?
A mixed-model assembly cell has 470 available minutes/shift after breaks and must ship 94 finished units/shift. Engineering has identified 5 major task groups and is debating whether the bottleneck is a person or the customer rate. What takt time should guide line balancing?
A repair depot completes 85 orders/day. Orders spend an average of 3.2 days in the system, including waiting for parts and bench time. The depot manager reports only eight benches and thinks WIP cannot exceed that number. What average WIP should the industrial engineer expect?
A validation run samples 400 units after a poka-yoke change. The old defect fraction was 0.02; the observed fraction is 0.012. The engineer must decide whether the apparent improvement is practically and statistically credible. Which next step is most defensible?