Op mgmt mcqs | Operations Management homework help

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
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 
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 move-
c. occupied cells may not be bypassed if turning
movements are desired.
d. all occupied cells of each solution must be eval-

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

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.


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


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


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


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


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


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


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”.


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


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 rou-
tine delays.

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


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


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


26. In problem one, the maximum allowable cycle time is:

a. 288 seconds.
b. 315 seconds.
c. 348 seconds.
d. 384 seconds.

27. In problem one, the theoretical number of work stations is:

a. 1
b. 2
c. 3
d. 4

28. In problem one, the efficiency of the assembly line is:

a. 64%
b. 68%
c. 70%
d. 72%

29. In problem one, the balance delay factor is:

a. 28%
b. 30%
c. 32%
d. 36%

30. In problem one, the tasks assigned to work station ‘one’ are:

a. A,C
b. A,C,E
c. A,C,D
d. none of the above.


31. In problem one, the tasks assigned to work station ‘two’ are:

a. E,D
b. E,F
c. E,D or E,F
d. F,B,H,D

32. In problem two, the evaluation number for empty cell ‘A-3’ is:

a. – 4
b. +4
c. -10
d. +10
e. none of the above

33. In problem two, the evaluation number for empty cell ‘B-1’ is:

a. – 9
b. +9
c. -7
d. +7
e. none of the above

34. In problem two, the evaluation number for empty cell ‘B-3’ is:

a. – 4
b. +4
c. – 3
d. +3
e. none of the above

35. In problem three, the evaluation number for empty cell ‘A-4’ is:

a. +2
b. -32
c. +15
d. -15
e. none of the above


36. In problem three, the new allocation for cell ‘A-4’ is:

a. 15
b. 20
c. 25
d. 30
e. none of the above.

37. In problem three, the new allocation for cell ‘C-2’ is:

a. 15
b. 20
c. 25
d. 30
e. none of the above. 

38. In problem three, the new allocation for cell ‘A-2” is:

a. 15
b. 20
c. 25
d. 30
e. none of the above. 

39. In problem four, the ‘ X ‘ coordinate for the new central distribution center is:

a. 9.67
b. 14.00
c. 15.67
d. none of the above. 

40. In problem four, the ‘ Y ‘ coordinate for the new central distribution center is:

a. 9.67
b. 14.00
c. 15.67
d. none of the above.

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


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


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


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


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


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


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



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


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


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.


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