Practice Physical Life - 7.1 | 15. Equipment Life and Replacement Analysis (Part-1) | Construction Engineering & Management - Vol 1
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7.1 - Physical Life

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

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.

Question 2

Easy

Define defender and challenger.

💡 Hint: Think about what terms are used when discussing current vs potential equipment.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the economic useful life of a machine?

  • The period of minimum costs.
  • The period when equipment can work.
  • The time before a machine breaks down.

💡 Hint: Think about cost issues related to maintenance.

Question 2

True or False: The defender is always the new equipment.

  • True
  • False

💡 Hint: Reflect on which is being used versus which is waiting for replacement.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation