Sources of Energy Test

Result

Sources of Energy Test - 36

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Weekly Quiz Competition

Question 1
1 / -0

In thermal power plants, turbines are run by:

A
pressurized steam

B
water

C
wind

D
chemical reactions

Solution

Traditional thermal power plants: also called combustion power plants, they operate with energy produced by a steam boiler fueled by coal, natural gas, heating oil, as well as by biomass. The steam is under pressure and with this pressure it activates a turbine which, in turn, drives a generator to produce electricity.
Question 2
1 / -0
Two statements are given :
1. Energy can neither be created nor be destroyed. It can only be converted from one form to another form.
2. Energy is consumed while doing work by a source of energy and can't be used again.
Which option justifies the above statements?
A
First statement is wrong.

B
Second statement is wrong.

C
Energy consumed while doing work can always be reused.

D
The usable form of energy is dissipated to the surroundings in less usable forms.

Solution

Both the statements are given are correct. Energy consumed while doing work can't be used again because energy has been converted from one form to another form that is less usable.

For example: Suppose we heat a cup of water and let it cool. There is no way to collect all the heat lost to the environment and make the water hot once it has cooled down.
Question 3
1 / -0

Which among the following is not a renewable source of energy?

A
Solar Energy

B
Natural Gas

C
Biomass

D
Wind Energy

Solution

Solar energy, biomass and wind energy are renewable sources of energy.
Natural gas is a non-renewable source of energy.
Question 4
1 / -0

Acid rain happens because

A
The sun leads to the heating of upper layer of the atmosphere.

B
Burning of fossil fuels releases oxides of carbon, nitrogen and sulphur in the atmosphere.

C
Due to friction among clouds.

D
Earth atmosphere contains different types of acids.

Solution

The oxides of carbon, nitrogen and sulphur that are released on burning fossil fuels are acidic oxides. During rain these oxides in atmosphere after mixing with water lead to acid rain which affects our water and soil resources.
Question 5
1 / -0

Those sources of energy which have been accumulated in nature over a long time is known as ________________.

A
Time Energy

B
Conventional Source of Energy

C
Mechanical Energy

D
Non-Conventional Source of Energy

Solution

Those sources of energy which have been accumulated in nature over a long time is known as Conventional sources of energy. They are non-renewable sources of energy. They can not be replenished quickly , they take millions of years to form.
Ex: Fossil fuels such as coal, petroleum and natural gas.
Question 6
1 / -0

Energy sources are of two types -

A
Renewable energy

B
Non-renewable energy

C
Both

D
None

Solution

Energy sources could be classified as Renewable and Non-renewable. Renewable energy is energy sources that are replenished constantly such as solar, wind, ocean, hydro power, biomass, geothermal resources etc. Non - renewable energy is derived from coal, oil and natural gas that are not replenished.
Question 7
1 / -0

Ram uses bicycle to travel and Shyam uses bike to travel.
Who among them uses energy wisely? Explain.

A
Ram

B
Shyam

C
Both

D
None
Solution
Bikes run on petrol which is a fossil fuel. Fossil fuels are an exhaustible resource and cause a lot of pollution. So Ram is using his energy resources wisely by using a bicycle as -
- bicycle doesn't burn any fuel.
- bicycle produces no pollution.
- bicycle is economic and good for health as well.
Question 8
1 / -0

Pie-chart shows the major sources of energy for our requirements in India. Which among the following has least contribution?

A
Coal

B
Hydro

C
Nuclear

D
Wind

Solution

From the pie chart, wind has least contribution as a source of energy.
Question 9
1 / -0

In order to fulfill our energy requirements, we try to:

A
Improve the efficiency of energy usage

B
Look for new sources of energy

C
Both $$A$$ and $$B$$

D
None of these

Solution

As our demand for energy increases, we need to look for more and more sources of energy. We could develop the technology to use the available or known sources of energy more efficiently and also look to new sources of energy.
Question 10
1 / -0

In ancient times, _____________ was the most common source of heat energy.

A
LPG

B
CNG

C
Wood

D
Natural Gas

Solution

In ancient times, wood was the most common source of heat energy.

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Sources of Energy Test - 36

Result

Sources of Energy Test - 36

Score

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Rank

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SHARING IS CARING

Question 1

pressurized steam

water

wind

chemical reactions

Solution

Question 2

First statement is wrong.

Second statement is wrong.

Energy consumed while doing work can always be reused.

The usable form of energy is dissipated to the surroundings in less usable forms.

Solution

Question 3

Solar Energy

Natural Gas

Biomass

Wind Energy

Solution

Question 4

The sun leads to the heating of upper layer of the atmosphere.

Burning of fossil fuels releases oxides of carbon, nitrogen and sulphur in the atmosphere.

Due to friction among clouds.

Earth atmosphere contains different types of acids.

Solution

Question 5

Time Energy

Conventional Source of Energy

Mechanical Energy

Non-Conventional Source of Energy

Solution

Question 6

Renewable energy

Non-renewable energy

Both

None

Solution

Question 7

Ram

Shyam

Both

None

Solution

Question 8

Coal

Hydro

Nuclear

Wind

Solution

Question 9

Improve the efficiency of energy usage

Look for new sources of energy

Both $$A$$ and $$B$$

None of these

Solution

Question 10

LPG

CNG

Wood

Natural Gas

Solution

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