Practice - Consumables
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Practice Questions
Test your understanding with targeted questions
What are operating costs?
💡 Hint: Think about what costs are involved when the machine is idle.
List two examples of consumables.
💡 Hint: Consider parts that are used up during work.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following is not considered an operating cost?
💡 Hint: Think about which cost happens regardless of use.
True or False: Operating costs remain constant regardless of equipment usage.
💡 Hint: Recall the definitions of operating versus ownership costs.
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Challenge Problems
Push your limits with advanced challenges
A contractor reports fuel expenses of $500 after 40 operating hours on rocky terrain. If fuel costs increase by 10% under these conditions, what will be the adjusted fuel cost for the next operating period if hours increase to 50?
💡 Hint: Calculate per hour cost and adjust with the increase.
Estimate how a machine's increased use in unfavorable conditions could elevate total repair costs by 25%. If original repair costs were estimated at $2,000, what will the new estimated repair cost be?
💡 Hint: Calculate 25% of original costs and add.
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Reference links
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