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Core Concept Summary

Module 3: Renewable Energy & Sustainable Development Goals

Transitioning toward a low-carbon economy involves renewable solar photovoltaics, green hydrogen, biofuel blending, and tracking progress on the 17 UN Sustainable Development Goals (SDGs 2030).

Module Evaluation

5-Question Knowledge Check

Score: 0 / 5
Q1. Which clean fuel yields only water vapor upon electrochemical combustion in a fuel cell?
Green Hydrogen
Compressed Natural Gas
Bio-ethanol
Coal-bed Methane
Solution: Hydrogen combined with oxygen produces electricity with pure water as the only byproduct.
Q2. Solar cells convert solar radiation into electricity via the:
Photovoltaic effect
Thermoelectric effect
Piezoelectric effect
Chemiluminescence
Solution: The photovoltaic effect excites electrons across a semiconductor junction.
Q3. The fuel designation "E-20" signifies motor gasoline blended with:
10% Bio-diesel
15% Methanol
20% Bio-ethanol
25% Vegetable oil
Solution: E-20 fuel contains 20% bio-ethanol blended with 80% motor spirit/petrol.
Q4. Which chemical is commonly used as the cathode in modern LFP electric vehicle batteries?
Lithium Iron Phosphate (LiFePO4)
Zinc Carbon
Nickel Cadmium
Lead Dioxide
Solution: LFP (Lithium Iron Phosphate) offers high thermal stability and cycle life.
Q5. The United Nations 2030 Agenda comprises how many target goals (SDGs)?
12
15
17
20
Solution: The UN 2030 Agenda establishes 17 Sustainable Development Goals with 169 targets.
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