Conventional Sources of Energy
What are the two examples of nuclear energy?
Electric motor converts:
Mechanical energy into electrical energy
Mechanical energy into heat energy
Electrical energy into heat energy
Electrical energy into mechanical energy
Which of the following is the lightest and most volatile liquid fuel?
None Of These
A liquid fuel, used in homes is .
Solid fuels and Liquid fuels.
What are energy and its types?
What are the different types of electric power stations?
Solar cell is used to convert which type of Energy?
State the energy transformation in the following :
(i) electricity is obtained from solar energy.
(ii) electricity is obtained from wind energy.
(iii) electricity is obtained from hydro energy.
(iv) electricity is obtained from nuclear energy.
Which of the following is a non-renewable energy resource?
Which one of the following minerals is contained in the Monazite sand?
Select the renewable and non-renewable sources of energy from the following :
(a) Coal (b) Wood (c) Water
(d) Diesel (e) Wind (f) Oil
Differentiate between: Liquid fuels and gaseous fuels.
66 The ……. makes the windmill rotate.
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
- Ocean current
- Natural gas
The fuel used in blast furnaces is ___.
The fuels which are prepared from natural fuels by various physical and chemical processes are known as _________.
Write 1 disadvantages of converting wood into Charcoal.
Is solar energy thermal energy?
Which of the following resources is exhaustible?
Which of the following is the best option for cooking fuel?
India ranks first in harnessing wind energy to produce electricity.
- 1-b, 2-c, 3-d and 4-a
- 1-c, 2-a, 3-d and 4-b
- 1-c, 2-b, 3-d and 4-a
- 1-b, 2-c, 3-a and 4-d
State one important advantage and disadvantage of using nuclear energy for producing electricity.
Why fossil fuels should be used judiciously?