Question

A good fuel has these qualities :

• A. should have high calorific value
• B. should be costly
• C. should cause pollution
• D. should be easy to transport

Answer 1

Answer: (A), (D)

The correct options are
A should have high calorific value
D should be easy to transport

Ideal fuel has the following characteristics :

• It is readily available.
• It burns easily in the air at a moderate rate.
  
• It is less expensive.
• It produces a large amount of heat.
• It can be transported easily.
• It has a high calorific value.
• It does not leave behind any undesirable substances.
• It should be easy to transport.

Therefore, options $A$ and $D$ both are correct.