Sample Questions for Chapters 4, 5, and Technical Note 5

1. Which of the following best describes the term cycle time? A) Average time between completions of successive units B) Ratio of the time a resource is activated over its use C) Can be no more that 60 minutes D) The same as utilization E) The labor content of the item being measured

Answer: A2. A process flowchart uses symbols to represent which of the following?

A) Factory location B) Warehouse space available C) Work force schedules D) Flows of material or customers E) Data analysis

Answer: D3. A process flowchart uses which of the following symbols to represent a decision

point in a flow diagram? A) Rectangle B) Arrow C) Inverted triangle D) Diamond E) A dashed line

Answer: D

4. An advantage of a make-to-stock process is which of the following? A) Rapid delivery of a standard product B) All units of output are unique C) It responds directly to customer orders D) It allows the firm to avoid inventory costs E) It combines the best features of other processes

Answer: A5. Which of the following are not typical phases of product development?

A) Concept development B) Value engineering C) Product planning D) Product/Process engineering E) Pilot production/Ramp-Up

Answer: B6. Which of the following is primarily used to help design products that will connect

product attributes with customer desires? A) Integration teams B) House of quality matrix C) Value analysis D) Concurrent engineering

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E) The design-build-test cycle Answer: B7. Which of the following is not considered a major process flow structure?

A) Job shop B) Batch shop C) Assembly line D) Virtual Factory E) Continuous Flow

Answer: D8. Assume a fixed cost for a process of $15,000. The variable cost to produce each

unit of product is $10 and the selling price for the finished product is $25. Which of the following is the number of units that has to be produced and sold to break-even?

A) 500 units B) 667 units C) 790 units D) 900 units E) 1,000 units

Answer: E9. Which of the following is a basic type of production layout format?

A) Process flow diagram B) CRAFT C) Systematic plan D) Simo charts E) Cellular layout

Answer: E

10. Which of the following basic types of production layout formats is one which similar equipment or departments are grouped together according to function?

A) Product layout B) Flow-shop layout C) Process layout D) Group technology layout E) All of the above

Answer: C11. The placement of which of the following is not determined by facility

layout decisions? A) Departments B) Workgroups C) Workstations D) Machines E) Emergency exits

Answer: E

12. Using the assembly-line balancing procedure, which of the following is

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the required cycle time if the production time in minutes per day is 480 and the required output per day in units is 50?

A) 0.104 B) 50 C) 9.6 D) 480 E) Can not be determined from the information above

Answer: C13. Using the assembly-line balancing procedure, which of the following is

the theoretical minimum number of workstations if the task times for the six tasks that make up the job are 4, 6, 7, 2, 6, and 5 minutes, and the cycle time is 10 minutes?

A) 3 B) 5 C) 6 D) 8 E) None of the above

Answer: A14. You have just determined the actual number of workstations that will be

used on an assembly line to be 6 using the assembly-line balancing procedure. The cycle time of the line is 5 minutes and the sum of all that tasks required on the line is 25 minutes. Which of the following is the correct value for the resulting line's efficiency?

A) 0.500 B) 0.833 C) 0.973 D) 0.990 E) None of the above

Answer: B15. Which of the following is not a benefit of a group technology layout?

A) Better human relations B) Improved operator expertise C) Less in-process inventory and material handling D) Faster production setup E) Reduced cost

Answer: EAnswer: B16. A job-shop process should be preferred when

a. workforce and equipment are specialized.b. products are made to stock type.c. customization is high and volume is low.d. customization is low and volume is high.

Answer: C

17. List and briefly define basic process flow structures along with the examples. 18. What are the differences between make-to-stock and make-to order strategies?

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19. What are the basic production layout formats? Briefly explain each of them.20. List and briefly define the typical phases of product design development process.21. What is concurrent engineering? Explain it.22. What is quality function deployment? Explain it.23. A company has designed an output rate of 275 units per day.

Assume 440 minutes are available per day. The following table identifies the work elements, times, and immediate predecessors.

Work

ElementTime

(minutes)Immediate

Predecessor(s)A 0.3 ---B 0.6 ---C 0.4 AD 1.2 BE 0.2 CF 0.6 DG 0.1 EH 0.5 G,FI 0.3 H

a. What is the desired cycle time?b. What is the theoretical minimum number of work stations?c. Balance the assembly line using the longest task-time rule.d. What is the efficiency for the balanced assembly line?

24. The owner of Old-Fashioned Berry Pies, S. Simon, is contemplating adding a new line of pies, which will require leasing new equipment for a monthly payment of $6,000. Variable costs would be $2.00 per pie, and pies would retail for &7.00 each. How many pies must be sold in order to break even?

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