Tag: evs

Quizzes (439) Questions (4580)

Questions Related to evs

Multiple choice evs how to save fuel define fossil fuels conservation of fuels reason for finishing of materials (resources) fuel and conservation

Useful substances obtained from petroleum and natural gases are called as ________.

  1. petroleum products

  2. petrochemicals

  3. chemicals

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Petrochemicals are the products of petroleum and natural gases. Like liquefied petroleum gas used as domestic fuel in the house hold. 

Multiple choice evs how to save fuel define fossil fuels conservation of fuels reason for finishing of materials (resources) fuel and conservation

Going paperless is the way to conserve _______.

  1. trees

  2. water

  3. coal

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Worldwide, use of paper has risen by 400% in the last 40 years. This increased usage takes a huge toll on trees. Rapid deforestation – much of it to produce paper products – is a huge concern for our environment. Trees play a critical role in absorbing $CO _2$ from our atmosphere and producing oxygen to support life on our planet. 

Multiple choice evs how to save fuel define fossil fuels conservation of fuels reason for finishing of materials (resources) fuel and conservation

Natural gases are nothing but _______ .

  1. Compressed natural gas

  2. Compressed gas

  3. Normal gases

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Natural gas is a naturally occurring gas mixture consisting primarily of methane, but including higher alkanes and sometimes a small percentage of $CO _2,N _2,H _2S$ or helium.


Whereas compressed natural gas is methane stored at high pressure. So, natural gas is nothing but CNG.

Hence the option A is correct.

Multiple choice evs how to save fuel define fossil fuels conservation of fuels reason for finishing of materials (resources) fuel and conservation

If materials (resources) are finished, then people will struggle for ________ for energy.

  1. coal

  2. petroleulm

  3. both a and b

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Coal, petroleum, and natural gas are considered nonrenewable because they can not be replenished in a short period of time. 

These are called fossil fuels.

A non-renewable resource (also called a finite resource) is a resource that does not renew itself at a sufficient rate for sustainable economic extraction in meaningful human time-frames.

Hence the option C is correct.
Multiple choice evs how to save fuel define fossil fuels conservation of fuels reason for finishing of materials (resources) fuel and conservation

Which of the following is a false statement?

  1. To overcome the energy crisis the use of solar cooker must be increased.

  2. To overcome the energy crisis more amount of non-renewable sources of energy must be used.

  3. The re-usage of waste material as a source of energy can be done to overcome the energy crisis.

  4. To overcome the energy crisis water has to be saved.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

To overcome the energy crises more amount of renewable sources of energy must be used because renewable sources of energy can be used again and again and solar energy is a renewable source of energy.


So, option B is not correct.