Video # 8 questions - Earth 2050 questions PDF

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EVS141 (2018) Earth 2050 – Questions

1.  2. 

How many cars are there on the planet? There are Billions of cars on the planet. What are 2 alternatives to oil for transportation purposes? Liquid fuel and Electricity are the 2 alternatives to oil for transportation purposes.

3.  4. 

What percentage of Brazil’s oil needs are met by ethanol production? More than 50% of Brazil’s oil needs are met by ethanol production. How many gallons of ethanol does Raizen produce every year? Raizen produces 500 million gallons of ethanol every year.

5. What are the advantages of using Switchgrass to produce ethanol?  The advantages of Switchgrass is that it can grows without the large amount of water and it can grows on marginal land too.

6. What 2 things are required for artificial photosynthesis to occur?  First one is light absorber and second one is catalyst like, iron or nickel are required for artificial photosynthesis.

7. How much time does the average American spend in their car each year?  The average America spend 300 hours in their cars each year.

8.  9. 

How much gas is wasted in traffic congestion each year? Around 1 billion dollar gasoline is wasted in traffic congestion each year. What can 3D digital mapping be used for? 3D digital mapping can be used for 3d map which indicates the real time traffic on your rout and also will show the best efficient way to get your destination.

10. Where is SCANIA industries located?  SCANIA industries is located in Sweden.

11. Where is Masdar City located?  Masdar city is located in Abu Dhabi.

12. What are the 3 objectives in the design of Masdar City?  The objectives of the Masdar city are it is carbon nutrel, pedestrian friendly and powered by renewable energy.

13. What are the 2 functions of roof panels in Masdar City?  The 2 functions of roof panels in Masdar City are to provide shade and generate electricity.

14. Where does the excess energy from Masdar City’s solar panels go?  The excess energy from Masdar City’s solar panel go to National grid of Abu dhabi.

15. What is the main problem with solar technologies?  The main problem of solar technologies is it doesn’t generate electricity at night.

16. What are the 2 primary energy concerns for future cities?  The 2 primary energy concerns for future cities are where it comes from and how it is used....