Practice Components of Pusher Cycle Time - 2.1 | 7. Cycle Time of a Scraper | Construction Engineering & Management - Vol 2
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Knowledge

2.1 - Components of Pusher Cycle Time

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the formula for cycle time?

💡 Hint: Think about each component involved in the operation.

Question 2

Easy

Define fixed time in terms of cycle time.

💡 Hint: Recall the examples given in class regarding loading and dumping.

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 does the acronym ADBT stand for in the context of cycle time?

  • Access
  • Delay
  • Bandwidth
  • Time
  • Acceleration
  • Deceleration
  • Braking
  • Time
  • Added
  • Distance
  • Break Time

💡 Hint: Focus on the terms related to the movement of the machine.

Question 2

True or False: Increasing the load beyond the optimal capacity will always increase productivity.

  • True
  • False

💡 Hint: Reflect on how efficiency changes with varying loads.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A construction crew is planning to optimize their earth-moving operation. If they have three scrapers each needing an ADBT of 0.25 minutes and a haul distance costing them 4 minutes each way for a loaded trip, and a return time of 3 minutes, calculate the cycle time if load time is 1.5 minutes and dump time is 1 minute.

💡 Hint: Carefully sum each distinct part of cycle time.

Question 2

After assessing the load growth curve, a project manager decided to set an optimal loading capacity that ensures the loading rate does not drop below 75%. If the maximum payload is 25 m3, what should the manager aim for as a safe loading limit?

💡 Hint: Calculate using percentages.

Challenge and get performance evaluation