Tag: fuel and conservation

Questions Related to fuel and conservation

Depletion of petrol can be controlled by:

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

  1. using CNG

  2. using LPG

  3. using kerosene

  4. none of above

Show answer
Correct Option: A
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. 

Which of the following is not a tip of PCRA?

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

  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.

Show answer
Correct Option: D
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.

Which gas is obtained from during processing of coal?

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

  1. Carbon dioxide

  2. Coal gas

  3. Sulphur dioxide

  4. Carbon monoxide

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Correct Option: B

The layer containing petroleum and gas is:

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

  1. above that of water

  2. below water

  3. between water and sand

  4. below sand

Show answer
Correct Option: A
Explanation:

Petroleum is the limited natural product which is obtained from the sea. The layer of the petroleum is obtained on the upper layer of seawater. 

Which of them is used as solvents for dry cleaning?

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

  1. diesel

  2. Kerosene

  3. Petrol

  4. Paraffin wax

Show answer
Correct Option: C
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 $\text{C}$

Natural gas can be transported through _________.

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

  1. pipes

  2. cylinders

  3. Barriers

  4. none of these

Show answer
Correct Option: A
Explanation:

Natural gas is product of petroleum which is used in the form of compressed natural gas and transported through pipes. 

Petroleum is a limited natural product obtain from: 

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

  1. dead living organism

  2. organism in sea

  3. wild animals

  4. all of these

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Correct Option: B

The first oil well dug in India:

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

  1. in 1967 AD

  2. in 1857 AD

  3. in 1767 AD

  4. in 1867 AD

Show answer
Correct Option: D
Explanation:

  1. The first oil well in India was dug in 1867 AD in Makkum in Assam (This was the first oil well dug in Asia).

On what basis is the windmill designed ?

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

  1. Average wind velocity

  2. Local environmental

  3. Height and the number of blades of a windmill

  4. All of them

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Correct Option: D
Explanation:

Average wind velocity and local environmental (geographical) parameters are the basis of deciding the parameters like the height and the number of blades of a windmill. So, during windmill design, all the factors mentioned are taken care of.

Energy can neither be created nor be destroyed, but it can be changed from one form to another. This law is known as:

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

  1. potential energy

  2. kinetic energy

  3. conservation principle

  4. conservation of energy

Show answer
Correct Option: D
Explanation:

The law of conservation of energy states that the total energy of an isolated system remains constant, it is said to be conserved over time. This law means that energy can neither be created nor destroyed; rather, it can only be transformed from one form to another.

For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes. If one adds up all the forms of energy that were released in the explosion, such as the kinetic energy of the pieces, as well as heat and sound, one will get the exact decrease of chemical energy in the combustion of the dynamite.
 Classically, conservation of energy was distinct from conservation of mass; however, special relativity showed that mass could be converted to energy and vice versa by E = mc2, and science now takes the view that mass–energy is conserved.