Questions from General Operations Management


Q: Wyco is a leading international retailer selling clothing and accessories with stores

Wyco is a leading international retailer selling clothing and accessories with stores throughout the United States, Europe and the Middle East. The countries from which it sources its products include...

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Q: An Airbus A320 would not turn left no matter what the pilot

An Airbus A320 would not turn left no matter what the pilot tried. Eventually he managed to make a high-speed emergency landing. Fortunately, no one was hurt. The cause of the near- disaster was that...

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Q: Look again at the figures in the chapter which illustrate the meaning

Look again at the figures in the chapter which illustrate the meaning of each performance objective for the four operations. Consider the bus company and the supermarket, and in particular consider th...

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Q: Re-read the ‘Operations in practice’ example, ‘It’s

Re-read the ‘Operations in practice’ example, ‘It’s the exception that proves the rule’. Do these examples invalidate the use of failure data in estimating component life?

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Q: An automated sandwich-making machine in a food manufacturer’s factory has

An automated sandwich-making machine in a food manufacturer’s factory has six major components, with individual reliabilities as shown in Table 18.3. (a) What is the reliability of t...

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Q: Every time we enter an elevator we are trusting our lives to

Every time we enter an elevator we are trusting our lives to the people who designed and made it, and, more immediately, the people who maintain it. Without effective maintenance, the elevators which...

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Q: Carlsberg, the brewing company, learnt of its crisis late one

Carlsberg, the brewing company, learnt of its crisis late one Friday afternoon. Something appeared to have gone wrong with the ‘widget’ in one of its cans of beer (a widget is the device in the bottom...

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Q: Revisit the Crossrail project example at the start of this chapter.

Revisit the Crossrail project example at the start of this chapter. Using, the three methods of distinguishing between projects that are described in the chapter (their volume and variety characterist...

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Q: The activities, their durations and precedences for designing, writing and

The activities, their durations and precedences for designing, writing and installing a bespoke computer database are shown in Table 19.4. Draw a network diagram (Activity-on-node) for the project and...

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Q: Funding comes from a variety of sources; to restore the literally

Funding comes from a variety of sources; to restore the literally irreplaceable buildings we work on. We try to reconcile historical integrity with commercial viability, and rely on the support of vol...

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