Practice Utilizing Production Curves for Estimation - 5.2 | 5. Cycle Time of the Bulldozer | Construction Engineering & Management - Vol 2
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5.2 - Utilizing Production Curves for Estimation

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define cycle time in bulldozer operations.

💡 Hint: Think about the different components that make up this total time.

Question 2

Easy

What is job efficiency?

💡 Hint: Consider how often machines work effectively versus downtime.

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 determines variable cycle time?

  • Terrain
  • Stroke Length
  • Hammer Weight

💡 Hint: Think about what conditions change during bulldozer operation.

Question 2

True or false: Job efficiency is always 100%.

  • True
  • False

💡 Hint: Consider the time machines are actually running versus downtime.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A bulldozer has a blade capacity of 3 cubic meters and operates with a cycle time of 5 minutes under ideal conditions. Calculate its productivity. Then, if it operates at 75% job efficiency, what is its adjusted productivity?

💡 Hint: Don’t forget to factor in the job efficiency after finding the base productivity.

Question 2

Using a production curve, you determine that a bulldozer can achieve 8 loose cubic meters per hour at a certain dozing distance. If a correction factor of 0.8 is to be applied due to adverse conditions at the project site, what will be the real productivity?

💡 Hint: Remember to multiply the ideal productivity by the correction factor to find the adjusted real productivity.

Challenge and get performance evaluation