22.9. Environmental and Energy Considerations

Try these first

1. 1.

   What is idle-time detection?

   Hint

   Think about how machines can conserve energy.

2. 2.

   What advantage do hybrid excavators provide?

   Hint

   Recall the types of energy sources used by hybrid systems.

3. 3.

   What is idle-time detection?

   • A. Fuel station area
   • B. Automatic shutdown feature
   • C. Excavation site

   Hint

   This feature saves energy by turning off systems.

4. 4.

   True or False: Hybrid excavators use only fuel.

   • True
   • False

   Hint

   Think about the meaning of 'hybrid'.

5. 5.

   Evaluate the economic impacts of adopting hybrid and electric systems in construction. Consider initial costs versus long-term benefits in energy savings.

   Hint

   Think of both costs and savings over time.

6. 6.

   Develop a proposal for integrating environmental sensors on a construction site. What sensors would you choose and why?

   Hint

   Consider what factors must be monitored to protect the environment.