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Q.1. Consider the following statements regarding the International Solar Alliance (ISA) :

1. It was jointly launched by India and France during the Paris Climate
Conference in 2015.

2. It aims to mobilize over $1 trillion in investments for solar energy by
2030.

3. Its membership is open only to
countries that lie fully or partially
between the Tropics of Cancer and
Capricorn.

4. It has been granted the status of a United Nations specialized agency
for solar energy cooperation.
How many of the statements given above is/are correct ?
Anonymous Quiz
7%
a) Only one
52%
b) Only two
34%
c) Only three
7%
d) All four
Q.2.Consider the following statements regarding Solar Photovoltaic (PV) Cells :

1. Silicon is the most commonly used semiconductor material commercial solar PV cells. in

2. Perovskite solar cells are more efficient and stable than silicon-based solar cells and are already widely deployed commercially.

3. Solar PV cells generate electricity by using the photovoltaic effect, which directly converts light energy into electrical energy.

4. The efficiency of a solar PV cell generally increases with increase in temperature.
Which of the statements given above is/are correct?
Anonymous Quiz
18%
a) 1 and 3 only
16%
b) 2 and 4 only
44%
c) 1, 3 and 4 only
22%
d) 1, 2, 3 and 4
Q.3. Consider the following statements regarding Fuel Cells :

1. A fuel cell generates electricity through an electrochemical reaction rather than combustion.

2. Hydrogen is the most commonly used fuel in fuel cells, and its only by-product is water.

3. Fuel cells can be used in stationary power generation as well as in transportation applications.
Which of the above statements is/are correct ?
Anonymous Quiz
29%
a) 1 and 3 only
23%
b) 1 and 2 only
21%
c) 2 and 3 only
26%
d) 1, 2 and 3
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Very important for this year’s Sociology Mains
Forwarded from Sociology for UPSC
The Middle Class in India Trends and Patterns.pdf
247.2 KB
Important Topic 6 -

The Middle Class in India: Trends and Patterns
Q.1. Consider the following statements regarding Ocean Thermal Energy Conversion (OTEC):

1. It uses the temperature difference between the warm surface seawater and the cold deep seawater to
generate electricity.

2. India has operational commercial- scale OTEC power plants generating electricity for the
national grid.

3. OTEC systems can support ancillary applications such as desalination and aquaculture.
How many of the statements given above is/are correct ?
Anonymous Quiz
7%
a) Only one
58%
b) Only two
33%
c) All three
2%
d) None
Q.2. Consider the following statements regarding Methanol in the context of renewable energy in India :

1. Methanol can be produced from biomass, municipal solid waste, and coal.

2. Methanol is a clean-burning fuel and can be blended with petrol or used in fuel cells.
Which of the above statements is/are correct ?
Anonymous Quiz
31%
a) 1 only
16%
b) 2 only
49%
c) Both 1 and 2
4%
d) Neither 1 nor 2
Q.3. Consider the following statements regarding the PM-KUSUM Scheme :

1. The scheme aims to promote decentralized solar power production and reduce dependency of agriculture on diesel.

2. It provides financial support for setting up solar pumps and grid connected renewable power plants on barren or fallow lands.

3. Under the scheme, only central financial assistance is provided, with no role for state governments.

4. It allows farmers to sell surplus solar power to the grid.
Which of the above statements is/are correct ?
Anonymous Quiz
54%
a) 1, 2 and 4 only
17%
b) 1 and 4 only
19%
c) 2 and 4 only
10%
d) 1, 2, 3 and 4
Q.1. Consider the following statements regarding Coal Gasification :

1. Coal gasification converts coal into syngas, which can be used to
produce fuels like methanol and
urea.

2. It is a cleaner method compared to direct coal combustion, as it allows easier removal of pollutants like sulfur.

3. Coal gasification is a renewable
energy technology that uses
biomass as its primary input.
Which of the statements given above is/are correct ?
Anonymous Quiz
9%
a) 1 only
13%
b) 3 only
47%
c) 1 and 2 only
31%
d) 1, 2 and 3