Practice Cycle Time for Scraper and Pusher - 5.2 | 9. Earth Moving Equipment-Scrapers (Part-2) | Construction Engineering & Management - Vol 2
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5.2 - Cycle Time for Scraper and Pusher

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define the term 'Swell Factor'.

💡 Hint: Think about volume changes when excavating material.

Question 2

Easy

What does cycle time include?

💡 Hint: Consider all the actions performed by the machinery during an operation.

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 is the purpose of the swell factor?

  • To calculate loading times
  • To determine volume change
  • To establish weight limits

💡 Hint: Think about what happens when soil is excavated.

Question 2

True or False: The swelling of soil increases by 10% when move from bank to loose form.

  • True
  • False

💡 Hint: Consider the effect of machinery versus natural properties.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A construction project has determined that their scraper can carry a heaped capacity of 20 m³ at a swell factor of 0.78. If loaded to 92%, what would be the bank volume and weight of the material, given the unit weight is 1700 kg/m³?

💡 Hint: Remember to convert first before calculating weight.

Question 2

Given a scraper’s cycle time of 10 minutes, can you suggest a workable number of scrapers if the pusher cycle time is 3 minutes? What are the operational cost benefits as the number of scrapers increases?

💡 Hint: Consider the time and money dynamics with operations.

Challenge and get performance evaluation