Question

Which of these are the characteristics of a good source of energy?

• A. Should store large amount of energy per unit mass.
• B. Extraction of energy should be economical.
• C. Should be accessible and easy to transport.
• D. Should generate smoke during combustion.

Answer 1

Answer: (A), (B), (C)

The correct options are
A Should store large amount of energy per unit mass.
B Extraction of energy should be economical.
C Should be accessible and easy to transport.

Characteristics of good sources of energy are:

1) Should store large amount of energy per unit mass.

2) Should be economical

3) Should be easy to transport and accessible

Smoke is not a necessary characteristic of a fuel. Biofuels, LPG, CNG etc are smokeless and hence a better alternative of petrol/diesel.