Operations Strategy Quiz Answers

1. | Question : | (TCO 4) Gibson Valves produces air valves on a five-person assembly line. If 1,200 valves are produced in an 8-hour shift, what is the labor productivity of the line? |

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| Student Answer: | | 2 valves/labor hr |

| | | 4 valves/labor hr |

| | | 30 valves/labor hr |

| | | 40 valves/labor hr |

| | | 80 valves/labor hr |

| Instructor Explanation: | 1,200 valves/(8 hours x 5 people) = 1,200 valves/40 labor hours = 30 values/labor hour (Formula 1.1, Chapter 1, pages 20 and 21, and Solved Problems) |

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| Points Received: | 3 of 3 |

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2. | Question : | (TCO 4) Susan has a part-time "cottage industry" producing seasonal plywood yard ornaments for resale at local craft fairs and bazaars. She currently works a total of 5 hours per day to produce 15 ornaments. She thinks that by redesigning the ornaments and switching from use of a wood glue to a hot glue gun, she can increase her total production to 20 ornaments per day. What is her percentage increase in productivity? |

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| Student Answer: | | 33% |

| | | 100% |

| | | 150% |

| | | 200% |

| Instructor Explanation: | 15 ornaments/5 hours = 3 ornaments per hour; 20 ornaments/5 hours = 4 ornaments per hour; 4/3 = 1.33; 133% or 33% increase (Formula 1.1. Chapter 1, page 14, and Solved Problems) |

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| Points Received: | 3 of 3 |

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3. | Question : | (TCO 4) Barbara has her own business as a dressmaker. She makes custom dresses for all occasions. During a year she can make 400 dresses. She currently works 50 weeks a year. What is her productivity? |

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| Student Answer: | | 0.25 dresses/week |

| | | 4 dresses/week |

| | | 5 dresses/week. |

| | | 8 dresses/week |

| Instructor Explanation: | 400 dresses/50 weeks = 8 dresses/week (Formula 1.1, Chapter 1, pages 20 and 21, and Solved Problems) |

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| Points Received: | 3 of 3 |...