Practice Loss Associated with Replacement - 3.3 | 16. Economic Life of a Machine | Construction Engineering & Management - Vol 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does economic life refer to?

💡 Hint: Think about the costs associated with keeping a machine.

Question 2

Easy

What is depreciation?

💡 Hint: Consider how machinery loses value as it ages.

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 method can be used to calculate depreciation?

  • Straight-line method
  • Double declining balance
  • Unit cost method

💡 Hint: Consider which method accelerates depreciation more.

Question 2

True or False: A machine’s economic life determines when it is necessary to replace it.

  • True
  • False

💡 Hint: Think about the costs incurred when keeping an aging machine.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

An old truck costs $5,000 in maintenance yearly. If its replacement cost increases by 10% annually, how long should it be kept before replacement if it depreciates at a rate of 15% per year?

💡 Hint: Calculate yearly costs and compare them over the years.

Question 2

If a replacement machine will save you $3,000 in efficiency each month but costs $12,000 to purchase, how many months until the replacement is cost-effective?

💡 Hint: Consider the total savings versus total cost.

Challenge and get performance evaluation