Blog
Worked problems, method notes and exam strategy from the people who teach the classes.
Operations Managment
Make-or-buy decisions explained: cost and non-cost factors, relevant and opportunity costs, a worked break-even example, strategic and capacity considerations, and advantages and disadvantages of making and buying.
Operations Managment
Sequencing in operations management: FCFS, SPT, EDD and critical ratio rules compared on a worked five-job example, plus Johnson's rule for two machines with a Gantt chart, and how sequencing differs from scheduling.
Operations Managment
Maintenance management explained: breakdown, preventive, corrective, routine, predictive maintenance and TPM, a worked MTBF, MTTR and availability example, the bathtub curve and group replacement.
Operations Managment
Statistical Quality Control explained: common and special causes, X-bar, R, p and c control charts with worked limit calculations, control vs specification limits, acceptance sampling, benefits and limits.
Operations Managment
Quality management explained: definitions, Garvin's eight dimensions, planning, control, assurance and improvement, TQM tools, PDCA, and a worked cost of quality example.
Operations Managment
Time study and work measurement explained: steps, rating, allowances, normal and standard time formulas, a fully worked carton-packing example, and work sampling with sample size.
Operations Managment
Method study explained: SREDIM steps, the questioning technique, process chart symbols, flow and string diagrams, motion economy, and a worked present-versus-proposed method example.
Operations Managment
Work study finds the best way to do a job (method study) and the right time for it (work measurement). Steps, techniques, benefits and a worked productivity and standard time example.
Operations Managment
Economic Order Quantity explained step by step: the formula and its derivation, a worked example with cost curves, reorder point, assumptions, quantity discounts, EPQ, shortages, advantages and limitations.
Operations Managment
Inventory control techniques explained: ABC analysis with a worked ten-item example, VED, FSN, HML and SDE, the ABC-VED matrix, EOQ, reorder point, safety stock, perpetual inventory and stock verification.
Operations Managment
Inventory management explained for students: types of inventory, why stock is held, ordering, carrying and shortage costs, safety stock, reorder point and a fully worked annual inventory cost example.
Operations Managment
Material Requirements Planning explained: dependent demand, the MPS, BOM and inventory record inputs, netting and lead-time offsetting with a worked bicycle example, outputs, MRP II, advantages and limitations.
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