1. Intermittent flow operations:

a. involve close management of workers.
b. generate a high product mix.
c. have few schedule changes.
d. have high turnovers of raw materials and
work-in-process inventories.


2. Continuous flow operations:

a. utilize general-purpose equipment.
b. are capital-intensive operations.
c. have unpredictable material flows.
d. have work centers grouped together by
function (department).


3. Repetitive manufacturing:

a. assembles pre-made parts into finished goods.
b. produces one basic product with minor variations.
c. is characterized by very low equipment utilization.
d. utilizes highly trained, flexible labor.

4. Design capacity is:

a. sustainable capacity.
b. capacity dictated by the firm’s built-in organizational
constraints.
c. theoretical capacity.
d. actual output.

5. The stepping-stone method is used to:

a. obtain an initial (1st) solution.
b. balance source supply and destination demand.
c. evaluate occupied cells (routes) for possible cost reductions.
d. evaluate empty cells (routes) for possible cost reductions.


6. Which of the following statements is true?

a. evaluation paths selected must be as short as possible.
b. evaluation paths may contain diagonal movements.
c. occupied cells may not be bypassed if turning movements are desired.
d. all occupied cells of each solution must be evaluated.


7. The intent of the load-distance model is:

a. to minimize the number of workers.
b. to minimize idle time per cycle.
c. to minimize materials and / or information movement costs within a process layout.
d. none of the above.


8. Which of the statements about line-balancing is true?

a. if a precedence relationship exists between tasks A and B, they cannot be assigned to the same work station.
b. if a line’s balance delay factor is maximized, its efficiency is maximized.
c. the theoretical minimum number of work stations can never be achieved, hence the name “theoretical”.
d. if the cycle time is reduced, productivity will increase.

9. Hybrid or combination layouts:

a. were developed by Henry Gantt in 1901.
b. require the use of work-in-process inventories between the pure layouts.
c. are similar in their characteristics to fixed-position layouts.
d. are rarely encountered in industry.

10. Which of the following statements is true?

a. line-balancing attempts to eliminate bottleneck tasks via product redesign and better worker training.
b. the efficiency of an assembly line cannot be improved by selecting a different task assignment heuristic for the
line-balancing process.
c. an assembly line is perfectly balanced when there are an equal number of tasks in each work station.
d. “efficiency” is defined as an assembly line’s ability to meet desired daily output.

11. The Behavioral School approach to job design which attempts to make a worker a “co-manager” is:

a. job enlargement.
b. job enhancement.
c. job rotation.
d. job enrichment.

12. The 5 categories of activities (operation, transport, inspection, delay, and storage) are used in which of the following methods of process analysis?

a. gang chart.
b. simo chart.
c. multiple activity chart.
d. motion economy chart.

13. The procedure that involves performance ratings and allowance factors is:

a. historical experience. c. direct time study
b. work sampling.. d. pre-determined time study.

14. In cross-docking, labeled and presorted loads are received directly at the warehouse dock for immediate re-routing.

TRUE FALSE

15. A job shop helps a firm follow a differentiation marketing strategy.

TRUE FALSE

16. Group technology layouts are used to convert assembly lines into job shops.

TRUE FALSE

17. The Northwest-Corner technique produces a deliberate cost-efficient solution for the transportation algorithm.

TRUE FALSE

18. Work sampling is widely used to analyze repetitive jobs.

TRUE FALSE

19. The maximum allowable cycle time guarantees that the firm will meet itsdaily production quota.

TRUE FALSE

20. The direct time study method makes allowances for unscheduled interruptions, unusual delays, and unusual mistakes on the part
of the worker.

TRUE FALSE

21. In the transportation problem, the number of cells in an evaluation path should always be an odd number such as “5”, “7”, or “9”.

TRUE FALSE

22. One of the limitations of the transportation algorithm is that it cannot minimize shipping costs between two levels of the supply chain.

TRUE FALSE

Nine (9) welders who perform the identical short-cycle job were observed by a time + motion engineer over six (6) cycles each. The total time recorded was three-hundred-ten (310) minutes. The performance rating for a particular welder was established at ninety-two percent ( 92% ). Additionally, each welder is granted a twelve percent (12%) allowance for personal needs, fatigue, and routine delays.


23. The observed time ( OT ) for this job is 5.833 minutes.

TRUE FALSE

24. The normal time ( NT ) for the selected welder ≈ 5.280 minutes.

TRUE FALSE

25. The standard time ( ST ) for the selected welder ≈ 6.000 minutes.

TRUE FALSE

41. The sources of a transportation matrix are either factories or outside vendors.

TRUE FALSE

42. Evaluation numbers are either ‘positive’ or ‘negative’.

TRUE FALSE

43. When total source units exceed total destination units, an additional row must be included on the transportation matrix.

TRUE FALSE

44. Qualitative factors are considered in the use of the transportation algorithm by the operations staff when locating retail facilities.

TRUE FALSE

45. The gravity location model uses shipping costs to locate a central distribution center.

TRUE FALSE

46. The gravity location model locates the central distribution center at the geographic center of the distribution system.

TRUE FALSE

47. The transshipment model can accommodate multiple levels of the supply chain simultaneously.

TRUE FALSE

48. The transshipment model can accommodate multiple modes of transport.

TRUE FALSE

49. The transshipment model utilizes a sophisticated version of the transportation algorithm.

TRUE FALSE

50. The gravity location model draws part of its input from the current monthly or quarterly forecasted demands at each facility in the distribution system.

TRUE FALSE

    • 7 years ago
    Intermittent flow operations
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