Performance Curves for Equipment

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Questions and Answers

What is a characteristic of track loaders compared to wheel loaders?

  • Lower production due to slower speed (correct)
  • Inability to manage side slopes
  • Higher speed over longer haul distances
  • Less capable of overcoming steep grades

How is loader production typically estimated?

  • By multiplying average bucket load by cycles per hour (correct)
  • As the subtraction of cycles per hour from average bucket load
  • As the division of cycles per hour by average bucket load
  • By adding average bucket load to cycles per hour

What is included in the basic cycle time for a loader operation?

  • Traveling a minimum distance only
  • Loading, dumping, and traveling a minimum distance (correct)
  • Traveling and dumping only
  • Loading and dumping only

How is hourly production in loose volume calculated for a wheel loader excavating sand and gravel?

<p>Bucket volume multiplied by cycles per hour (D)</p> Signup and view all the answers

What is the key factor considered in determining the number of haul units needed?

<p>Total cycle time (A)</p> Signup and view all the answers

What does the fixed time element of a loader operation involve?

<p>Spot, load, maneuver, and dump (B)</p> Signup and view all the answers

In the context of loader operation, what does the term 'job efficiency' refer to?

<p>'Percentage of time spent actually working' (B)</p> Signup and view all the answers

Why do track loaders have less production than wheel loaders over longer haul distances?

<p>'Due to their lower speed despite better performance on grades' (A)</p> Signup and view all the answers

What is the effect of effective grade on a loader's production rate?

<p>'Lower effective grade decreases production' (A)</p> Signup and view all the answers

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