Exercises on Concepts Cht. 11, Work System Design MGMT4102, J. Wang Name _________________________ 1. The so-called “work system design” includes _____________. a. work measurement design b. worker compensation design c. job design d. All of a, b, and c. 2. What is “job design” supposed to do? a. To create job opportunities. b. To reduce the unemployment rate. c. To specify the contents of a job in a business process. d. To connect employers and people who want jobs. 3. What is “work measurement design” is supposed to do? a. To determine how long a job takes. b. To determine how to evaluate the worker in doing a job. c. To determine the pay and bonus policy. d. To determine what to do in a job. 4. What is “worker compensation design” supposed to do? a. To determine how long a job takes. b. To determine how to evaluate the worker in doing a job. c. To determine the pay and bonus policy. d. To determine what to do in a job. 5. “Method analysis” is an approach for ____________. a. work measurement design b. worker compensation design c. job design d. All of a, b, and c. 6. “Time study” is an approach for _____________. a. work measurement design b. worker compensation design c. job design d. All of a, b, and c. 7. Pay based on the work hours is the _______________. a. time-based compensation b. output-based compensation 8. Office of School of Sociology is considering whether it is cost-effective to do large amount of copying job (more than 500 copies), compared to letting the college’s printshop do it. This is an example of job design consideration in terms of ____________. a. technical feasibility b. economic feasibility c. behavioral feasibility 1 9. Providing good work environment is not a part of job design. a. True b. False 10. Engaging employees with more responsibilities is associated with the option of _____________ for reducing employee boredom. a. job enlargement b. job enrichment c. job rotation 11. Which of the following is a “vertical” expansion of job for reducing employee boredom? a. job enlargement b. job enrichment c. job rotation 12. What does “alternative workplace” mean? a. One worker is assigned to more than one workstation. b. Providing each worker with more than one office. c. Company provides options of workplaces so that a worker may choose to work at the place he/she likes. d. Bring work to the worker rather than the worker to the workplace. 13. ______________ is used to streamline the details of how to do a job and to improve the efficiency of a process. a. Learning curve b. Method analysis c. Time study d. QFD e. TQM f. JIT 14. Time study is an approach for setting _____________. a. standard time of activities and a job b. normal time of activities and a job c. average time of activities and a job 15. Doing all elements of a job from the beginning to the end is called “doing a(n) _______ in the time study”. a. cycle b. observation c. activity d. calculation 16. When doing time study, a small number of observations are needed determine the minimum number of observations. a. True b. False 17. General speaking, more observations in time study would make the result more accurate. a. True b. False 18. Suppose a job is composed of four elements, and the minimum numbers of observations for the four elements are: (23, 16, 27, 12). What is the minimum number of observations on the cycle of the job? a. 23 b. 16 c. 27 d. 12 e. 78 2 19. In the formula for calculating minimum number of observations, letter s means the ___________. a. variance of the initial trial observations b. standard deviation of the initial trial observations c. mean of the initial trial observations d. desired accuracy 20. In the formula for calculating minimum number of observations, letter a represents the desired accuracy or precision. If we want our result of time study more accurate, we should use a __________. a. smaller a b. larger a 21. In the formula for calculating minimum number of observations, letter z reflects the statistical confidence on the observation results of the sample. If we want higher confidence, we need to have a __________. a. smaller z b. larger z 22. Personal time, fatigue, and unavoidable delays are considered in ______________. a. performance rating factor (PRF) b. frequency of occurrence (F) c. allowance factor (AF) 23. The pace of the observed worker is considered in _______________. a. performance rating factor (PRF) b. frequency of occurrence (F) c. allowance factor (AF) 24. MOT (mean observed time) of an elemental activity is calculated from ______________. a. initial trial sample of observations b. the sample of observations which is sufficiently large 25. If an activity needs to do only once in five cycles of a job, then the frequency factor of that activity is _________. a. 1 b. 5 c. 0.5 d. 0.2 e. 25% 26. To calculate the standard time of an activity, ST, we use the formula ____________. a. ST = NT b. ST = (MOT)(PRF)(F)(AF) c. Both a and b. 27. The standard time of a job is equal to the sum of the standard times of its elemental activities. a. True b. False 3 28. _____________ is a company’s database in which the results of previously completed time studies are stored. a. Elemental time data b. Predetermined time data 29. _____________ is a published database of elemental time data used for establishing standard times. a. Elemental time data b. Predetermined time data 30. To observe the proportion of time a worker spends on a particular activity, we may do direct observations or do “work sampling”. a. True b. False 31. When one is doing work sampling, s/he ________________. a. use a stopwatch to time the activity b. make random checks to see the frequency the activity occurs. 32. In the formula for calculating minimum number of observations for work sampling, letter p is equal to ____________. a. proportion of time the concerned activity in the initial trial sample of observations b. the true proportion of time of the concerned activity 33. The learning curve reveals that the time for a worker to do a job _________ if he does it repeatedly, but the decreasing rate is getting _________ gradually. a. increases, larger b. increases, smaller c. decreases, larger d. decreases, smaller 34. In the learning curve formula, Tx = T1 * Ln, L is called ___________. a. learning curve rate b. learning curve coefficient 35. Table 11-9 on page 437 gives the values of ________. a. L b. n c. Ln d. Tn e. Tx 36. In the learning curve formula, Tx = T1 * Ln, the value of L ________________. a. can be any positive number b. is between 0 and 1 37. The value of L is ____________ in the real world applications. a. determined by the manager who is using the learning curve formula b. provided by engineers or top managers 38. In the learning curve formula, Tx = T1 * Ln, n means ______________. a. number of times the job is repeated b. number of times the job’s repetition is doubled c. number of observations 4 Answer: 1.d 2.c 3.a 4.c 5.c 6.a 7.a 8.b 9.b 10.b 11.b 12.d 13.b 14.a 15.a 16.a 17.a 18.c 19.b 20.a 21.b 22.c 23.a 24.b 25.d 26.b 27.a 28.a 29.b 30.a 31.b 32.a 33.d 34.a 35.c 36.b 37.a 38.b 5