Practice Turn Time - 1.6 | 7. Cycle Time of a Scraper | Construction Engineering & Management - Vol 2
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Knowledge

1.6 - Turn Time

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What are the two main components that divide cycle time?

💡 Hint: Think about what components remain constant and which ones change.

Question 2

Easy

How long is the average loading time for common earth?

💡 Hint: Consider common values stated for normal earth loading.

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 formula represents the cycle time for scrapers?

  • Cycle Time = LT + HT + DT + RT + ST + TT + ADBT
  • Cycle Time = LT + HT - DT - RT
  • Cycle Time = LT x HT x DT

💡 Hint: Remember the components we've discussed!

Question 2

True or False: Loading a scraper to its maximum capacity always enhances its efficiency.

  • True
  • False

💡 Hint: Think about how resistance plays a role when too much material is present.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You are analyzing a construction site with a total distance of 400 meters for haul and a machine speed of 20 meters/minute. Calculate the haul time. If the machine faces an unexpected incline which reduces its speed by half, recalculate the new haul time.

💡 Hint: Use speed = distance/time.

Question 2

If a scraper has a loading time of 0.6 minutes, dump time of 0.5 minutes, and turning time of 0.25 minutes, how much time would it take for 4 complete cycles assuming the haul time remains constant at 3 minutes?

💡 Hint: Remember to add each component of the cycle for calculating the overall cycle time.

Challenge and get performance evaluation