11. The largest contributor to productivity increases is ________________, estimated to be responsible for _______________ of the annual increase.a. management; over one-halfb. Mr. Deming; one-halfc. labor; two-thirdsd. capital; 90%e. technology; over one-half
12. Which of the following is not true when explaining why productivity tends to be lower in the service sector than in the manufacturing sector?a. Services are typically labor-intensive.b. Services are often difficult to evaluate for quality.c. Services are often an intellectual task performed by professionals.d. Services are difficult to automate.e. Service operations are typically capital intensive.
13. Three commonly used productivity variables are ________________.a. quality, external elements and precise units of measureb. labor, capital and managementc. technology, raw materials and labord. education, diet and social overheade. quality, efficiency and low cost
14. Firm A operates 10 hours each day, producing 100 parts/hour. If productivity were increased 20%, how many hours would the plant have to work to produce 1000 parts?a. less than 2 hoursb. between 9 and 10 hoursc. between 2 and 6 hoursd. between 6 and 8 hourse. between 8 and 9 hours
15. A cleaning company uses 10 lbs each of chemicals A, B and C for each house it cleans. After some quality complaints, the company has decided to increase its use of chemical A by an additional 10 lbs for each house. By what % has productivity (houses per pound of chemical) fallen?a. 0%b. 10%c. 15%d. 25%e. 33%
16. Cost minimization is an appropriate strategy in which stage of the product life cycle?a. introductionb. growthc. adolescenced. declinee. retirement
17. Which of the following OM strategies/issues should a firm with a product in the maturity stage of its life cycle be least concerned with at the present time?a. increase capacityb. long production runsc. standardizationd. cost cuttinge. fewer rapid product changes
18. Which of the following is least likely to result in a strategy change?a. change in the company’s financial situationb. a company’s adoption of new technologyc. change in the product life cycled. change in the competitive environmente. change in job scheduling techniques
19. Which of the following is not an operations strategic decision?a. maintenanceb. pricec. layout designd. qualitye. inventory
20. Which of the following statements regarding PERT times is true?a. The optimistic time estimate is an estimate of the minimum time an activity will require.b. The optimistic time estimate is an estimate of the maximum time an activity will require.c. The probable time estimate is calculated as t = (a + 4m + b).d. The pessimistic time estimate is an estimate of the minimum time an activity will require.e. The most likely time estimate is an estimate of the maximum time an activity will require.
