Practice Obsolescence Costs - 2.3 | 16. Economic Life of a Machine | Construction Engineering & Management - Vol 1
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Obsolescence Costs

2.3 - Obsolescence Costs

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Practice Questions

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Question 1 Easy

Define economic life in relation to machinery.

💡 Hint: Consider the balancing of operating costs.

Question 2 Easy

What are obsolescence costs?

💡 Hint: Think about the influence of technology.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is economic life?

A period of maximum machine lifespan
Period with lowest operational costs
Time when machines become obsolete

💡 Hint: It relates to the balance of repairs and operating expenses.

Question 2

True or False: Downtime costs increase with the age of the machine.

True
False

💡 Hint: Consider how repairs affect work efficiency.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have a machine worth 35,00,000 with a useful life of 8 years. Calculate its estimated obsolescence costs at year 5, considering a 10% obsolescence per year.

💡 Hint: Think about applying the percentage to the original value directly.

Challenge 2 Hard

Given the costs of maintenance increase by 10% annually starting at 2,00,000, calculate the total maintenance cost at the end of 4 years.

💡 Hint: Use geometric progression to help in calculating total growth over multiple years.

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