Important Questions on Energy
Which of the following is not a renewable source of energy? 
Windmill works due to the energy generated from 
Which of the following is a non-renewable source of energy. 
An example of a renewable source of energy is: 
Explain the principle of working of a thermal power plant. Draw a labelled diagram to illustrate your answer. 
Choose the correct statement. 
The fuel having the lowest calorific value is: 
We cannot use wind energy to produce electricity. 
What is the difference between a thermal power plant and a hydro power plant? Which of the two causes serious air pollution and how? 
Fuel used in thermal power plants is: 
The fuel having a calorific value of is likely to be: 
Which of the following is not a fossil source of energy? 
Which of these appliances in your house are not run by electricity? 
A non-renewable source of energy is: 
Define the calorific value of a fuel. 
Most of the sources of energy that we use represent stored solar energy. Which of the following is not ultimately derived from the sun's energy? 
The S.I. unit of potential difference is: 
The Calorific value of LPG is , what does it mean? 
The energy form that can be replenished among the following is 
The fuel which is not used at thermal power plants is: 