EASY
Earn 100

What is primary energy?

Important Questions on Energy Production

MEDIUM
Which one of the following is not a conventional source of energy?
EASY
Mention any two qualities of an ideal source of energy. 
MEDIUM
What are the properties of a good source of Energy?
MEDIUM

Match the suitable renewable and non-renewable resources.

Sources    A  B      C
Renewable Coal Wind  Petroleum
Non-renewable Hydrogen Natural gas Solar energy
MEDIUM
Explain why we are looking at the alternative sources of energy.
MEDIUM
What are the qualities of an ideal sources of energy?
MEDIUM
What are the qualities of an ideal source of energy? Give the names of two energy sources that you would consider to be exhaustible.
EASY

Write three characteristics of a good fuel.

EASY

Write characteristics of an ideal source of energy.

EASY
Can any sources of energy be pollution free? Why and why not? State two limitations of the energy that can be obtained from the Oceans.
EASY
Why are we looking at alternative sources of energy?  Name a non-conventional source of energy and its two advantages.
EASY
One of the following is not a characteristic of a good fuel. This is:
MEDIUM
Explain why, natural gas is considered to be a good fuel.
MEDIUM
Calorific value and ignition temperature of fuel X are 75 kJ g-1 and 20  respectively. These values for fuel Y are 50 kJ g-1 and 75  respectively. On burning, the fuel Y produces only CO2 while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.
MEDIUM
The calorific values of three fuels A, B and C are 33 kJ g-1,48 kJ g-1 and 150 kJ g-1, respectively. A is solid, B is liquid and C is a gas at room temperature. On combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.
EASY
Why are fossil fuels classified as non-renewable sources of energy?
MEDIUM
What is meant by conventional sources of energy? Write the names of two conventional sources of energy.
HARD
What are the various factors required while choosing a source of energy?
EASY
Mention few steps to reduce the energy consumption.