Category: Certification Exams Questions

OPTIONS Work Breakdown Structures Gantt Chart Arrow Diagram PERT ANSWER PERT EXPLANATION Though Gantt Chart is typically used as a scheduling tool, usage of PERT is synonymous with scheduling of complex projects.

OPTIONS Interval Ordinal Nominal Ratio ANSWER Nominal EXPLANATION Conceptually, the nominal scale gives the least information of all the scales and thus is considered least useful.

OPTIONS Permutation concepts Probability theory Pareto’s law Logarithmic interpolation ANSWER Probability theory EXPLANATION Choices a and d are not serious considerations. Pareto’s law is an important quality control concept, but it is based on an observation of fact. All quality control techniques, such as control...

OPTIONS Include as many important factors as possible Set factor levels at practical or possible levels Combine process measurement responses when possible Be bold, but not foolish, in selecting high and low factor levels ANSWER Combine process measurement responses when possible EXPLANATION Note that a...

Machines A & B have been showing disparate efficiency and defects per unit rates despite similar variation in quality at purchase time. If the mean squares between the 2 machines is 250 and the mean square from each machine is 100, what is the value...

OPTIONS Pareto diagrams Fishbone diagrams Histograms Control charts ANSWER Fishbone diagrams EXPLANATION This question requires basic quality tool knowledge. The Pareto diagram is used to prioritize problems and would not be the initial choice. The histogram and control chart are excellent tools but would not...

The process operating conditions are given below. Process Input Quality Parts Re-worked Process A: 100, 80, 5 Process B: 85, 70, 6 Process C: 76, 60, 4 The Rolled Throughput Yield is: OPTIONS 52% 50% 60% 70% ANSWER 52% EXPLANATION By using standard Rolled Throughput...

OPTIONS Overall Equipment Effectiveness Overall Estimation Effectiveness Overall Equipment Estimation Overall Effective Estimation ANSWER Overall Equipment Effectiveness EXPLANATION OEE stands for Overall Equipment Effectiveness.

OPTIONS They are large enough so that averages of data will follow the normal distribution They fit onto traditional chart paper very well Larger sizes permit an opportunity for process changes within the subgroup They permit a separation of within time from time-to-time variation ANSWER...

OPTIONS FTA FRACAS QFD FMEA ANSWER QFD EXPLANATION This question requires the knowledge of common reliability techniques (and their acronyms). All the listed techniques, fault tree analysis, failure reporting analysis and corrective action system, quality functional deployment, and failure mode effects analysis are important tools...