Tag: reason for finishing of materials (resources)

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

Among following which can be said to be as causes of energy crisis?

  1. Unexplored Renewable Energy Options

  2. Delay in Commissioning of Power Plants

  3. Wastage of Energy

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Energy crisis is any significant bottleneck in supply of energy resources to an economy. It occurs generally by-

(i) Wastage of energy
(ii) Delay in commisioning of power plants
(iii) Unexplored renewable options
(iv) More use of electricity

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

Why is water a renewable resource?

  1. Water continuously evaporates.

  2. Man can create water.

  3. Use of water is minimum.

  4. The above statement is incorrect.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A renewable resource is any natural resource that replaces itself given enough time. The rate of replenishment must be equal to or faster than the rate of usage. As water continuously evaporates from the Earth's surface, it collects in the atmosphere to later come back to the Earth as rain. On the Earth itself surface water replenishes groundwater, and groundwater replaces surface water. With careful management and responsible usage, water is a renewable resource.

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 measure can be taken to preserve natural resources?

  1. Switch off electricity when not required

  2. Car pooling
  3. Both $A$ and $B$

  4. Use Petrol instead of CNG
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Natural resources should be used wisely because most of them are exhaustible and cannot be replenished or take million years to replenish. CNG is the cleanest fuel and hence should be used instead of petrol. People should also adopt car pooling to prevent excessive use of fuel and also protect from pollution.

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

Depletion of petrol can be controlled by:

  1. using CNG

  2. using LPG

  3. using kerosene

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

Petrol is a limited resource and can be exhausted if not used wisely. Natural gas is stored under high pressure as CNG. CNG can be used as a fuel instead of petrol as it is less polluting. It is a cleaner fuel. 

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 not a tip of PCRA?

  1. Drive at a constant and moderate speed as far as possible.

  2. Ensure correct tyre pressure.

  3. Ensure regular maintenance of the vehicle.

  4. None of above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In India, the Petroleum Conservation Research Association(PCRA) advises people how to save petrol/diesel while driving. Their tips include driving at a constant and moderate speed as far as possible, switching off the engine at traffic lights or at a place where you have to wait, ensuring correct tyre pressure, ensuring regular maintenance of the vehicle, etc.

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

Which gas is obtained from during processing of coal?

  1. Carbon dioxide

  2. Coal gas

  3. Sulphur dioxide

  4. Carbon monoxide
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Coal gas is a flammable gaseous fuel made from coal and supplied to the consumer through a piped distribution system. It is a byproduct of the destructive distillation of coal.

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

Which of them is used as solvents for dry cleaning?

  1. diesel

  2. Kerosene

  3. Petrol

  4. Paraffin wax
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Dry cleaning is the procedure of cleaning clothes by using chemical solvents (the substance which can dissolve in other substance ). Petrol is a chemical which is used as a solvent for dry cleaning of clothes.


Hence, the correct option is $\text{C}$

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

Petroleum is a limited natural product obtain from: 

  1. dead living organism

  2. organism in sea

  3. wild animals

  4. all of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Petroleum is formed from the remains of ancient marine organisms (plankton and algae) that were buried under layers of sediment and subjected to high pressure and temperature over millions of years.