Practice - Physical Life
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Practice Questions
Test your understanding with targeted questions
What are the phases of equipment life?
💡 Hint: Think about what happens from the moment you buy a machine until you no longer use it.
Define defender and challenger.
💡 Hint: Think about what terms are used when discussing current vs potential equipment.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the economic useful life of a machine?
💡 Hint: Think about cost issues related to maintenance.
True or False: The defender is always the new equipment.
💡 Hint: Reflect on which is being used versus which is waiting for replacement.
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Challenge Problems
Push your limits with advanced challenges
Consider a mid-sized construction company that has a crucial excavator aging at 10 years. Its maintenance costs begin rising past 30% of its value. What should the company evaluate to determine if it should replace the excavator?
💡 Hint: Factor in the diminishing returns from the old machine versus the net benefits of the new one.
An equipment manager notices his older model truck spends more time in the shop than on-site. What metrics should he consider to justify its replacement?
💡 Hint: Evaluate all costs associated with downtime and impacts on project deadlines.
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Reference links
Supplementary resources to enhance your learning experience.