Practice Cycle Time Calculations (5) - Earth Moving Equipment-Scrapers (Part-2)

Practice: Cycle Time Calculations

Lesson 5Earth Moving Equipment-Scrapers (Part-2)

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10 questions

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6 sample questions

Question 1.
Define the term 'Swell Factor'.
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Think of how material volume changes when excavated.
Question 2.
What does cycle time encompass?
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Consider all parts of a task completion for a machine.
3Question 3.
What is the swell factor used for?
- A) To calculate energy consumption
- B) To measure material volume change
- C) To determine hauling distance
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Recall its definition and purpose.
4Question 4.
True or False: Cycle time includes only the loading and dumping time.
- True
- False
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Remember what we discussed about the full operation time.
Question 5.
A project requires moving 1000 m³ of earth with a swell factor of 0.9. Calculate the bank volume needed.
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Remember to convert loose to bank using the swell factor.
Question 6.
You have a scraper with a cycle time of 6 minutes and a pusher cycle time of 1.5 minutes. How many scrapers can one pusher sustain? Calculate and reflect on the operational impacts of this ratio.
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Use the balance formula for your calculations.

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