4.1. Underfoot Conditions

Try these first

1. 1.

   What type of machine is best suited for sandy conditions?

   Hint

   Think about how different tires interact with various surfaces.

2. 2.

   Define rolling resistance in your own words.

   Hint

   Consider the relationship between surface quality and vehicle movement.

3. 3.

   What type of machine is best for rocky terrain?

   • Rubber-tired Machine
   • Wheeled Loader
   • Crawler-mounted Machine

   Hint

   Think about the structure of the machine that provides traction.

4. 4.

   True or False: Haul road maintenance can affect project costs.

   • True
   • False

   Hint

   Consider how delays in travel relate to costs.

5. 5.

   You are tasked with evaluating the best machine options for a construction site located in a mountainous area with steep grades and a rocky surface. Analyze the factors you should consider in your decision-making process.

   Hint

   Focus on how different terrains and inclines could impact machine selection.

6. 6.

   A construction project is behind schedule due to poor haul road conditions. Propose a maintenance strategy that could improve productivity and reduce costs.

   Hint

   Think about how often maintenance should occur and which methods will provide the quickest recovery.