RBSE Solutions for Class 5 Environmental Studies Chapter 22 How to Save Fuel

RBSE Solutions for Class 5 Environmental Studies Chapter 22 How to Save Fuel

Rajasthan Board RBSE Class 5 Environmental Studies Chapter 22 How to Save Fuel

Text Book Questions

Look at the figure and discuss the following points (Page No. 125)

Question 1.
Which vehicles do you see in the figure?
Answer:
Bus, car, truck, auto, motorcycle, tempo, scooter etc. are found in this figure (Page No. 125).

Question 2.
What type of fuel is used in the vehicles?
Answer:
Petrol and diesel are used in the vehicles.

Question 3.
Which are the vehicles that do not require petrol as fuel?
Answer:
Battery operated rickshaw-cycle, horse cart, bullock cart, camel cart etc. do not require petrol as fuel.

Think and answer the following (Page No. 125)

Question 1.
Which vehicles are there in your home?
Answer:
There are car, motorcycle, scooter etc. in our home.

Question 2.
Which vehicles do your family members use to go out to work?
Answer:
Our family members use motorcycle to go to work.

Question 3.
Other than the vehicles in the figure (Page No. 125), which are the other means of transport?
Answer:
Other than the vehicles in the figure 125, the other means of transportation are aeroplane, railways, ship, helicopter, boat, horse cart, cycle etc.

Explore and write the answers of the following (Page No. 127)

Question 1.
The names of some vehicles are given below. Make a table in your notebook and complete it.
Answer:

Think and discuss these points (Page No. 128)

Question 1.
If petrol/diesel is not available in your village/city for 10 days, then what will happen?
Answer:
If petrol/diesel is not available in your village/city for 10 days, then the complete infrastructure of transportation of our village/city will face massive disturbance, such as people cannot move from one place to another, it will not be possible to plough fields by tractor, irrigation will not be possible by motor pumps etc.

Question 2.
In what ways, can we save petrol and diesel?
Answer:
Make rational use of petrol/diesel. These fuel reserves are limited. So, we should use them economically.

Question 3.
Except petrol and diesel, what else can be used to run the vehicles?
Answer:
Except petrol and diesel, we can use LPG, CNG, kerosene, battery, solar power.

Question 4.
If all the people travel by car or jeep instead of going by bus, then how many vehicles would be required and what will be its disadvantages?
Answer:
If all the people travel by car or jeep instead of going by bus, we will need 3-4 cars in one family. By this, the consumption of fuel will increase and will also create air pollution.

Things to do (Page No. 129)

Question 1.
Make a collection of slogans related to. the conservation of fuel and discuss about them in the class.
Answer:
(i) The fuel exists in a very limited quantity. We should not misuse it, otherwise it will not be available to the future generations.
(ii) Every drop of fuel is precious to us. So, we should stop our vehicle engine while we are waiting in a traffic light.
(iii) “Save oil, it is your good habit”.
(iv) Make rational use of fuel you substitute sources of energy.

Learnt, understood and now tell (Page No. 130)

Question 1.
Make a table in your notebook and write the names of different types of fuels and their different uses.
Answer:

Question 2.
How the coal was formed?
Answer:
Many years ago, due to the upheaval of the earth’s surface and earthquakes etc. innumerable plants and trees got buried under the ground where there was no air. Temperature and pressure was very high. Because of this, these plants converted to coal. This is called bituminous coal or pukka coal.Some people make coal at home from dried wood, which is called dry charcoal or kachcha coal.

Question 3.
Make two separate list of the vehicles that run using petrol and diesel.
Answer:

Question 4.
What measures would you adopt for the conservation of petrol/diesel?
Answer:
(i) For the conservation of petrol or diesel, we may use bus instead of car.
(ii) We may share car or motorcycle with each other while going to work.
(iii) Put off the engine of the vehicles at red lights
(iv) Use battery operated, vehicles
(v) Use CNG car.

Other Important Questions

Objective Type Questions :

Question 1.
Diesel is used in this vehicle.
(a) Cycle
(b) Scooter
(c) Tmck
(d) Motorcycle
Answer:
(c) Tmck

Question 2.
Petrol is used in this vehicle.
(a) Tractor
(b) 3-wheeler
(c) Bus
(d) Scooter
Answer:
(d) Scooter

Question 3.
We get these from petroleum.
(a) Kerosene
(b) Natural gas
(c) Wax
(d) All of the above
Answer:
(d) All of the above

Question 4.
In which state coal is found?
(a) Madhya Pradesh
(b) Rajasthan
(c) Bihar
(d) All of the above
Answer:
(d) All of the above

Question 5.
Petroleum is found in Rajasthan in
(a) Kota
(b) Bamer
(c) Udaipur
(d) Jaipur
Answer:
(b) Bamer

Fill in the blanks :

1. Students of Bhiwadi school were going for a visit to the ………. wildlife sanctuary. (Sariska / Kelora)
2. Coal which is made from dry wood is called ………… coal, (pukka coal / kachcha coal)
3 ………… is used in the food stalls, (petrol / coal)
4. There is more consumption of ……… in bigger vehicles as compared to smaller vehicles.(fuel / water)
Answer:
1. (Sariska)
2. (kachcha coal or dry charcoal)
3. (coal)
4. (fuel)

State True or False :

Question 1.
Petrol is found in the Barmer district of Rajasthan state.
Answer:
True

Question 2.
Petroleum is found on the surface of the earth.
Answer:
False

Question 3.
Petrol and diesel, both are used in car.
Answer:
True

Question 4.
We should make rational use of fuel.
Answer:
True

Very Short Answer Type Questions :

Question 1.
Write a utilisation of coal?
Answer:
Coal is used for the production of electricity.

Question 2.
Where is the purification of petroleum done?
Answer:
In refineries.

Question 3.
Whose reserves are limited?
Answer:
The fuel reserves are limited.

Question 4.
What is the colour of petroleum when it is extracted from below the earth’s surface?
Answer:
Crude oil is a black coloured thick liquid.

Question 5.
Which fuel is used in the thermal electric power houses for the production of electricity?
Answer:
Coal.

Question 6.
How is the dry charcoal made?
Answer:
From dried wood.

Question 7.
Where does the students of Bhiwadi school go for a visit?
Answer:
Sariska Wildlife Sanctuary.

Question 8.
From which place the bituminous or pukka coal is obtained?
Answer:
From coal mines.

Question 9.
Name one place where petroleum is found in Rajasthan.
Answer:
In Barmer district.

Question 10.
Where are the coal mines found in Rajasthan?
Answer:
Kolayat and Palana.

Short Answer Type Questions :

Question 1.
What is bituminous coal or pukka coal?
Answer:
Many years ago, due to the upheaval of the earth’s surface and earthquakes etc. innumerable plants and trees got buried under the ground where there was no air. Temperature and pressure was very high. Because of this, these plants converted to coal. This is called bituminous coal or pukka coal.

Question 2.
What is the difference between larger and smaller vehicles on the basis of fuel consumption?
Answer:
Petrol is used in car, motorcycle as well as diesel is used in bus, truck etc. There is more consumption of fuel in a larger vehicle as compared to the other smaller vehicles. E.g. a car runs 17 km in one litre of petrol, where as a bus run 7 km in one litre .fuel.

Question 3.
Is diesel and petrol taken directly from underground to the petrol pump?
Answer:
Petroleum is extracted from under the ground deep inside the earth. It is a black coloured thick liquid. After its purification in the refineries in the form of petrol and diesel, these products reach the petrol pumps.

Question 4.
What do we get after the purification of petroleum in the refineries?
Answer:
After the purification of the petroleum in refineries,petrol, diesel, kerosene, wax, vaseline, charcoal etc. are obtained. Some other substances are also obtained which are used in the manufacture of alcohol, synthetic rubber, artificial fibres and plastics etc.

Question 5.
Where is petroleum found in India?
Answer:
Petroleum is found in the state of Maharashtra, Gujarat, Assam, Arunachal Pradesh and Tamil Nadu. In Rajasthan, it is found in Barmer district.

Question 6.
Where are the coal mines located in India?
Answer:
In India, the coal mines are situated in the state of MP, Chhattisgarh, Orissa, West Bengal, Bihar, Jharkhand. In Rajasthan, the coal mines are in Kolayat and Palana areas of Bikaner district.

Question 7.
Write the name of the fuels used in the following list: (Model Paper)
Answer:

Question 8.
Name 2 fuel energy resources and their founding states in India.
Answer:

Essay Type Question :

Question 1.
Write the main uses of petroleum derived substances.
Answer:
(i) Kerosene, which is used in the lamps, is obtained from petroleum.
(ii) Petroleum is used for washing of cloths in dry cleaners.
(iii) Tractor, aeroplane, cars etc. runs with petroleum.
(iv) Petroleum is used as a fuel in our kitchens.
(v) It is used to run many machines.
(vi) Artificial fibre and plastic is obtained from petroleum.
(vii) It is used for making different types of synthetic colour.