运营管理 考试题库krajewskiom9tifSuppH.docx

1、运营管理 考试题库krajewskiom9tifSuppHSupplementHMeasuring Output RatesTRUE/FALSE1. A work standard is the time required for a trained worker to perform a task following a prescribed method with normal effort and skill.Answer: TrueReference: IntroductionDifficulty: EasyKeywords: work standard2. The work meas

2、urement process creates labor standards based on the judgment of skilled observers.Answer: TrueReference: Methods of Work MeasurementDifficulty: EasyKeywords: work measurement, labor standard3. A time study is the method most often used for setting time standards for a job.Answer: TrueReference: Met

3、hods of Work MeasurementDifficulty: ModerateKeywords: study time, standards4. The select time is the average observed time based only on representative times.Answer: TrueReference: Methods of Work MeasurementDifficulty: ModerateKeywords: select time5. The snap-back method of time study resets the st

4、opwatch to zero on the completion of each work element.Answer: TrueReference: Methods of Work MeasurementDifficulty: ModerateKeywords: snap-back method, time study6. The standard time for a work element is found by multiplying the select time by a performance rating factor.Answer: FalseReference: Me

5、thods of Work MeasurementDifficulty: ModerateKeywords: standard time, work element7. The performance rating factor in a time study is a totally objective measure.Answer: FalseReference: Methods of Work MeasurementDifficulty: ModerateKeywords: performance rating factor8. Fatigue, rest, or unavoidable

6、 delays are not factored into a work standard by the performance rating factor.Answer: TrueReference: Methods of Work MeasurementDifficulty: ModerateKeywords: allowance time, performance rating factor9. Time studies are appropriate for setting time standards for tasks that are different each time.An

7、swer: FalseReference: Methods of Work MeasurementDifficulty: ModerateKeywords: time study, standards10. Elemental standard time data cannot be used to develop time standards for new work before production begins.Answer: FalseReference: Methods of Work MeasurementDifficulty: ModerateKeywords: element

8、al standard time11. The methods time measurement system is a predetermined data system.Answer: TrueReference: Methods of Work MeasurementDifficulty: ModerateKeywords: MTM, methods time measurement12. The predetermined data approach does not eliminate the need for time studies.Answer: FalseReference:

9、 Methods of Work MeasurementDifficulty: ModerateKeywords: predetermined data approach, time studies13. A predetermined data approach to time standards can be completed only after actual production begins.Answer: FalseReference: Methods of Work MeasurementDifficulty: ModerateKeywords: methods time me

10、asurement, predetermined data approach14. When using work sampling, the times of day to collect data samples are selected at random over the length of the study.Answer: TrueReference: Methods of Work MeasurementDifficulty: ModerateKeywords: work sampling data15. The more frequently the activity occu

11、rs, the longer the time period should be when conducting a work sampling study.Answer: FalseReference: Methods of Work MeasurementDifficulty: ModerateKeywords: work sampling, frequency16. Special training is required for observers using work sampling.Answer: FalseReference: Methods of Work Measureme

12、ntDifficulty: ModerateKeywords: work sampling17. As the sample size increases in a work sampling study, the maximum error decreases.Answer: TrueReference: Methods of Work MeasurementDifficulty: ModerateKeywords: sample, size, maximum, errorMULTIPLE CHOICE18. Work standards would NOT be helpful for m

13、anagement in which area?a. Developing costs for current and new products.b. Determining current and projected capacity requirements for a given demand.c. Comparing different routings for an item and evaluating new work methods and equipment.d. Forecasting demand for current products.Answer: dReferen

14、ce: Work StandardsDifficulty: ModerateKeywords: work standards19. The method used most often for setting time standards for a job is:a. the elemental standard data approach.b. the time study method.c. the predetermined data approach.d. the work sampling method.Answer: bReference: Methods of Work Mea

15、surementDifficulty: ModerateKeywords: stopwatch study20. Timing the work elements using the snap-back method requires:a. the worker to perform each job element as quickly as possible.b. a larger sample size than using the continuous method.c. the use of two stopwatches.d. a smaller sample size than

16、using the continuous method.Answer: cReference: Methods of Work MeasurementDifficulty: ModerateKeywords: stopwatch study, snap-back method21. Garman observes a worker assembling peanut valves and records the data displayed in the table. What is the select time for this job element?Time (seconds)Obse

17、rvations201525123012a. 15 secondsb. 20 secondsc. 25 secondsd. 30 secondsAnswer: cReference: Methods of Work MeasurementDifficulty: EasyKeywords: stopwatch study, select time22. Garman observes a worker assembling peanut valves and records the data displayed in the table. During one of the cycles, th

18、e worker knocked the shaft out of the fixture and had to realign the fixtures. What is the select time for this job element?Time (seconds)Observations2015251230122401a. Less than 23 secondsb. Greater than or equal to 23 seconds but less than 26 secondsc. Greater than or equal to 26 seconds but less

19、than 29 secondsd. Greater than or equal to 29 secondsAnswer: bReference: Methods of Work MeasurementDifficulty: ModerateKeywords: stopwatch study, select time23. Keith assembles peanut valves and the recorded data is displayed in the table. What is the select time for this job element?Time (minutes)

20、Observations2.5153.0233.527a. Greater than or equal to 3 minutesb. Less than 3 minutes but greater than or equal to 2.7 minutesc. Less than 2.7 minutes but greater than or equal to 2.4 minutesd. Less than 2.4 minutesAnswer: aReference: Methods of Work MeasurementDifficulty: EasyKeywords: stopwatch s

21、tudy, select time24. Keith assembles peanut valves and the recorded data is displayed in the table. During one of the cycles, he pauses to answer a phone call from his friend who suggests that he seek employment elsewhere. Keith fields calls with some regularity, but thats not considered part of his

22、 routine job responsibilities. What is the select time for this job element?Time (minutes)Observations2.5153.0233.525101a. Greater than or equal to 3.2 minutesb. Less than 3.2 minutes but greater than or equal to 2.8 minutesc. Less than 2.8 minutes but greater than or equal to 2.4 minutesd. Less tha

23、n 2.4 minutesAnswer: bReference: Methods of Work MeasurementDifficulty: ModerateKeywords: stopwatch study, select time25. Which one of the following statements about work measurement methods is TRUE? a. The two methods of using a stopwatch in time studies are historical and snap-back. b. The time st

24、udy method is usually used for less-repetitive work with no definite work cycle. c. With the time study method, the analyst assigns a performance rating factor (RF) to the works performance. A value of RF greater than 1 means the worker is slower than a standard worker. d. The work sampling method n

25、eeds many observations. Answer: dReference: Methods of Work MeasurementDifficulty: ModerateKeywords: work measurement methods, work sampling26. Which one of the following statements about the time study method is TRUE? a. It is most appropriate for “thinking” jobs such as an automobile mechanics dia

26、gnosis of a problem. b. It is used most often for setting time standards. c. Using the time study method technique, time standards can be set for new jobs before production begins. d. Performance ratings are not needed in the derivation of time standards. Answer: bReference: Methods of Work Measurem

27、entDifficulty: ModerateKeywords: time study, standards27. Which one of the following statements about work measurement is TRUE? a. Work sampling is a technique to determine the proportion of time spent on different activities. b. In determining the normal time for the cycle, using a rating factor le

28、ss than one (1.0) will increase the total time allowed for a job to be performed, relative to the select time. c. Machine standards are more difficult to develop than labor standards. d. The time study method is most appropriate for non-repetitive jobs in which the nature of the task differs each ti

29、me. Answer: aReference: Methods of Work MeasurementDifficulty: ModerateKeywords: work measurement, sampling28. A time study analyst is attempting to determine the standard time for a work element. She or he observes a worker performing the work element at a lower-than-average pace. How will this fac

30、t be reflected in the time standard that is eventually created? a. The frequency of the work element per cycle will be increased. b. The proportion of allowance time will be increased above 1.0. c. The performance rating factor will be set less than 1.0. d. The normal time for the work element will

31、be increased. Answer: cReference: Methods of Work MeasurementDifficulty: ModerateKeywords: performance rating factor29. To set a time standard for a machining operation, the least likely approach to be used is the: a. Time study methodb. Elemental standard data approach c. Predetermined data approachd. Work sampling method Answer: dReference: Methods of Work MeasurementDifficulty: ModerateKeywords: work sampling30. With a time study approach, the:a. nature of the task can be different wi