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Sources Of Energy - 2 - UPSC MCQ


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20 Questions MCQ Test Old & New NCERTs for IAS Preparation (Must Read) - Sources Of Energy - 2

Sources Of Energy - 2 for UPSC 2024 is part of Old & New NCERTs for IAS Preparation (Must Read) preparation. The Sources Of Energy - 2 questions and answers have been prepared according to the UPSC exam syllabus.The Sources Of Energy - 2 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Sources Of Energy - 2 below.
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Sources Of Energy - 2 - Question 1

Which of the following is a non-renewable source of energy?

Detailed Solution for Sources Of Energy - 2 - Question 1

Fossil fuels are non-renewable source of energy.

Sources Of Energy - 2 - Question 2

The power generated in a windmill

Detailed Solution for Sources Of Energy - 2 - Question 2

The power generated in a windmill depends on the velocity of wind because power is generated by the wind. The more is the velocity of the wind, the more will be the power generated.

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Sources Of Energy - 2 - Question 3

Which of the following is a renewable source of energy?

Detailed Solution for Sources Of Energy - 2 - Question 3

Out of given energy sources only tidal energy is a renewable source of energy.

Sources Of Energy - 2 - Question 4

Which part of the solar cooker is responsible for green house effect?

Detailed Solution for Sources Of Energy - 2 - Question 4

Glass lid of solar cooker trapped the heat energy inside the box.

Sources Of Energy - 2 - Question 5

Fossil fuels

Detailed Solution for Sources Of Energy - 2 - Question 5

Fossil fuels are non-renewable, cause air pollution on burning and may lead to acid rains because on burning of fossil fuels oxides of nitrogen, carbon and sulphur are framed.

Sources Of Energy - 2 - Question 6

The major problem in harnessing nuclear energy is how to

Detailed Solution for Sources Of Energy - 2 - Question 6

The waste product obtained from nuclear power plant is highly radioactive material and harmful for human beings and environment,

Sources Of Energy - 2 - Question 7

Which one of the following is not a fossil fuel ?

Detailed Solution for Sources Of Energy - 2 - Question 7

Bio-gas is not a fossil fuel.

Sources Of Energy - 2 - Question 8

Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?

Detailed Solution for Sources Of Energy - 2 - Question 8

Solar energy leads to least environmental pollution in the process of its harnessing and utilisation.

Sources Of Energy - 2 - Question 9

In thermal power plants fuel used is

Detailed Solution for Sources Of Energy - 2 - Question 9

In thermal power plants fossil fuels like coal or petroleum or CNG are used as fuel.

Sources Of Energy - 2 - Question 10

Which is the ultimate source of energy?

Detailed Solution for Sources Of Energy - 2 - Question 10

Sun is the ultimate source of energy directly or indirectly, all the form of energy are desired from solar energy.

Sources Of Energy - 2 - Question 11

In a hydropower plant

Detailed Solution for Sources Of Energy - 2 - Question 11

In a hydropower plant the potential energy of water stored in a dam is converted into electricity.

Sources Of Energy - 2 - Question 12

U-235 will undergo fission by

Detailed Solution for Sources Of Energy - 2 - Question 12

Heavy nucleus such as uranuim-235, when bombarded with low energy neutrons split into lighter nuclear with the liberation of large amount of energy.

Sources Of Energy - 2 - Question 13

The main constituent of bio-gas is

Detailed Solution for Sources Of Energy - 2 - Question 13

The main constituent of bio-gas is methane gas (about 75%).

Sources Of Energy - 2 - Question 14

Geothermal energy is

Detailed Solution for Sources Of Energy - 2 - Question 14

The heat energy trapped in the certain region of earth’s crust is called geo thermal energy.

Sources Of Energy - 2 - Question 15

In a gobar gas plant bio-gas is produced from slurry of bio-mass by

Detailed Solution for Sources Of Energy - 2 - Question 15

In a gobar gas plant bio-gas is produced from slurry of bio-mass by the process of anaerobic decomposition (decomposition in the absence of atmospheric oxygen).

Sources Of Energy - 2 - Question 16

The working fluid in ocean thermal power plant is

Detailed Solution for Sources Of Energy - 2 - Question 16
The working fluid in ocean thermal power plant is volatile liquid like ammonia.
Ammonia is used as the working fluid in ocean thermal power plants due to its favorable thermodynamic properties. Here are the reasons why ammonia is used:
1. High latent heat of vaporization: Ammonia has a high heat of vaporization, which means it can absorb a significant amount of heat when it evaporates. This property is essential for efficient heat transfer in ocean thermal power plants.
2. Low boiling point: Ammonia has a relatively low boiling point (-33.34°C or -28°F), which allows it to evaporate at low temperatures. This is beneficial in ocean thermal power plants, where the temperature difference between warm surface water and cold deep water is not significant.
3. Non-toxic and non-flammable: Ammonia is a non-toxic and non-flammable substance, making it safe to use in power plant applications. It does not pose a risk to the environment or human health.
4. Abundant and cost-effective: Ammonia is readily available and cost-effective compared to other working fluids. Its production is well-established and widely used in various industries.
5. Environmental friendliness: Ammonia is considered an environmentally friendly option as it does not contribute to ozone depletion or global warming. It has a low global warming potential and does not contain chlorine or fluorine, which are harmful to the environment.
In conclusion, ammonia is the preferred working fluid in ocean thermal power plants due to its advantageous thermodynamic properties, safety, cost-effectiveness, and environmental friendliness.
Sources Of Energy - 2 - Question 17

Which form of energy leads to least environmental pollution during the process of its harnessing and utilisation ?

Detailed Solution for Sources Of Energy - 2 - Question 17

Solar energy leads to least environmental pollution during the process of its harnessing and utilisation.

Sources Of Energy - 2 - Question 18

Tidal energy is harnessed by constructing a dam across

Detailed Solution for Sources Of Energy - 2 - Question 18

Tidal energy is harnessed by constructing a dam near the shores across narrow opening it

Sources Of Energy - 2 - Question 19

Which of the following energy is not derived from the Sun ?

Detailed Solution for Sources Of Energy - 2 - Question 19

Geothermal energy is not derived from the Sun.

Sources Of Energy - 2 - Question 20

Tidal energy is a farm of energy obtained from the

Detailed Solution for Sources Of Energy - 2 - Question 20

The energy produced by the surge of ocean water during high and low tides due to difference in sea level is called tidal energy.

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