Industrial interview questions
500 questions with model answers, in four levels. Start with Basic, check yourself honestly, then move up.
Basic questions
- Work Study & Ergonomics (13)
- Production Planning & Control (13)
- Inventory Management (13)
- Operations Research (13)
- Queueing Theory & Simulation (13)
- Statistical Quality Control (13)
- Six Sigma (12)
- Lean Manufacturing & TPM (12)
- Supply Chain & Logistics (12)
- Facility Layout & Material Handling (12)
- Project Management (12)
- Engineering Economics & Forecasting (12)
Intermediate questions
- Work Study & Ergonomics (13)
- Production Planning & Control (13)
- Inventory Management (13)
- Operations Research (13)
- Queueing Theory & Simulation (13)
- Statistical Quality Control (13)
- Six Sigma (12)
- Lean Manufacturing & TPM (12)
- Supply Chain & Logistics (12)
- Facility Layout & Material Handling (12)
- Project Management (12)
- Engineering Economics & Forecasting (12)
Advanced questions
- Work Study & Ergonomics (11)
- Production Planning & Control (11)
- Inventory Management (11)
- Operations Research (11)
- Queueing Theory & Simulation (11)
- Statistical Quality Control (10)
- Six Sigma (10)
- Lean Manufacturing & TPM (10)
- Supply Chain & Logistics (10)
- Facility Layout & Material Handling (10)
- Project Management (10)
- Engineering Economics & Forecasting (10)
Tricky questions
- Work Study & Ergonomics (6)
- Production Planning & Control (7)
- Inventory Management (7)
- Operations Research (6)
- Queueing Theory & Simulation (7)
- Statistical Quality Control (6)
- Six Sigma (6)
- Lean Manufacturing & TPM (6)
- Supply Chain & Logistics (6)
- Facility Layout & Material Handling (6)
- Project Management (6)
- Engineering Economics & Forecasting (6)
Sample questions
- What is productivity?
- What is ERP?
- What is duality in linear programming?
- What is process capability?
- What is takt time?
- What is facility location?
- How is standard time calculated? Give an example.
- What is Drum–Buffer–Rope scheduling?
- How do you solve a maximization assignment problem?
- What are AOQ and AOQL?
- What is gemba?
- How should fast-moving items be placed in a warehouse?
- An element's average observed time is 0.80 min, the rating is 120% and PF&D allowance is 15% of normal time. Find standard time and output per 480-minute shift.
- A seasonal item sells at $12, costs $6 and salvages at $2. Demand ~ N(1000, 200). How many should you order?
- How many simulation replications are needed for a given precision?
- Daily demand is 400 units, lead time 0.5 day, safety factor 20% and container size 25. How many kanbans are needed?
- How is the cycle time of a unit-load AS/RS estimated?
- "A worker faster than normal should be rated below 100%." True?
- "The least-cost method gives the optimal transportation solution." Does it?
- "In TPM, the maintenance department does all the maintenance." True?