Practice Economic Life of the Machine - 3.2 | 17. Downtime Cost Calculation | Construction Engineering & Management - Vol 1
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Knowledge

3.2 - Economic Life of the Machine

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Calculate the downtime cost per hour for a machine costing 900 rupees with a downtime rate of 4%.

💡 Hint: Multiply the equipment cost by the downtime percentage.

Question 2

Easy

What is the yearly obsolescence cost at 0.1 for a machine costing 900 rupees?

💡 Hint: Calculate the per-hour obsolescence cost and multiply by operating hours for the year.

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 percentage of downtime results in a cost of 54 rupees per hour for a machine valued at 900 rupees?

  • 3%
  • 5%
  • 6%

💡 Hint: Think about the initial percentage given and how that scales.

Question 2

True or False: Obsolescence costs decrease with increasing machine age.

  • True
  • False

💡 Hint: Recollect the concepts discussed around equipment aging.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a machine with an initial investment cost of 900 rupees and cumulative downtime costs calculated over 5 years, outline a comprehensive strategy to optimize costs and determine optimal replacement time.

💡 Hint: Utilize cumulative calculations and compare yearly expenses.

Question 2

Considering a different obsolescence rate than the one in calculations, hypothesize the impact on long-term machinery budgets and analyze the feasibility of early versus late replacements.

💡 Hint: Consider both initial investments and long-term maintenance factors.

Challenge and get performance evaluation