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Multiple-choice: Choose the one best answer

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Multiple-choice: Choose the one best answer.1.What kind of attributes relate to whether or not a particular product or service performs as it is supposed to?A. structuralB. sensoryC. performanceD. temporalE. ethical2.What kind of attributes relate to touch, smell, taste, and sound?A. structuralB. sensoryC. performanceD. consensualE. ethical3.What kind of attributes relate to time?A. structuralB. sensoryC. performanceD. temporalE. tactile4.A producer of contact lenses regularly takes samples of 100 lenses and inspects them for scratches. If a lens has a single scratch, it cannot be sold. The results of ten samples are shown in the table below. Calculate the average proportion that is defective.Sample #12345678910# Scratched3201221012A. 0.012B. 0.014C. 0.020D. 0.028E. 0.0355.Defectives are monitored using what kind of charts?A. c chartsB. g chartsC. u chartsD. p chartsE. d charts6.A manufacturer of fax machines checks samples of fifty units for functionality at the conclusion of the assembly process. The results of ten samples are shown in the table below. Calculate the lower and upper 3-sigma control limits.Sample #12345678910# discarded2131010587665A. (–0.01, 0.09)B. (–0.01, 0.29)C. (–0.01, 0.09)D. (0.00, 0.09)E. (0.00, 0.29)7.The producers of the Yugo automobile periodically inspect samples of eighty hoods for dents and scratches. A single flaw in a hood renders it unsuitable for installation in one of their fine automobiles. The results of the last ten samples are shown in the table below. What is the center line for theirnp chart?Sample #12345678910# discarded9111507939816A. 2.4B. 5.8C. 7.2D. 8.7E. 10.18.A quality engineer notes that a process produces data that are binomial and have been obtained using a sample space that is not constant. The primary interest of the process manager is in the percent of bad parts. What would be an appropriate control chart to use?A. npB. pC. cD. uE. d9.What reliability model shows that products are more likely to fail either very early in their useful life or very late in their useful life?A. half-moon hazard functionB. saucer-shaped hazard functionC. half-circle hazard functionD. canyon-shaped hazard functionE. bathtub-shaped hazard function10.What terms describe the vertical and horizontal axes on a typical failure rate chart?A. failure rate, timeB. time, useful lifeC. predicted life, timeD. design reliability, useful lifeE. time, design reliability11.Reliability models assumestatistical independence between failure events. What does this mean?A. Components do not fail.B. If one component fails, the entire system fails.C. Parallel systems are unnecessary.D. The failure of one component does not influence another to fail.E. Series systems are unnecessary.12.Systemunreliability is increased with what?A. a redundant systemB. a parallel systemC. a backup systemD. high reliability componentsE. low reliability components13.A system is composed of three components. Two of the items are in parallel and have reliabilities of 0.95 and 0.90. The third item has a reliability of 0.98, and this item is in series with the first combination. What is the overall system reliability?A. 0.995B. 0.985C. 0.975D. 0.965E. 0.95514.What is the system availability for something that has a mean time between failures of 100 hours and needs an average of 4 hours to repair when it does fail?A. 0.98B. 0.92C. 0.96D. 0.90E. 0.8415.What is the object of using process charts?A. to monitor your processB. to continually improve your processC. to increase mean time to repairD. to increase the betaE. to increase the alpha