QUESTION 2 What is the fastest-growing energy segment in the world? a. solar b.

Question

QUESTION 2 What is the fastest-growing energy segment in the world? a. solar b. tidal O c. biofuels Od. wind O e. hydrogen QUESTION 3 Which of the following statements is true about methanol fuel? a. It releases more carbon dioxide than gasoline Ob. requires converting all acreage to corn Oc.It can't be transported via pipeline Od. low octane is bad for engines e. It burns dirty and produces lots of smog QUESTION 4 The cost of solar energy from solar electric cells is currently competitive with fossil fuels. O a. True b. False

Explanation / Answer

Question no.2. - d

According to the latest study, renewable energy sources are fulfilling a quarter of the world’s energy consumption. Among all the renewable sources given here, wind energy is currently the fastest growing segment in the world (accounting for 36% increase in the last year). On the other hand, solar power , hydroelectricity and biofuels account for respectively 27%, 22% and 12% increase. Tidal power is not as effectively used as others.

Question no.3 – d.

Methanol is a high octane fuel, it provides excellent speed and acceleration, improves vehicle efficiency, that is why it is the most preferred fuel for race- car drivers. So, the statement low octane is bad for engines is true.

Question no. 4. – a. true

Going through recent articles on the prices of different energy sources, I found out that the solar energy resource has become the cheapest form of energy in 2017 in almost 60 countries all over the world, and already in 2016 it became cheaper than fossil fuels.

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