Question

Quality which is not suitable property for a good fuel is ______ .

• A. high calorific value with ignition temperature that is well above the normal room temperature.
• B. low rate of evaporation at room temperature.
• C. carbon particles are expelled with smoke.
• D. low content of non-combustibles

Answer 1

Answer: (C)

carbon particles are expelled with smoke.

Solution:

1. A good fuel should have high calorific value and ignition temperature should above room temperature so that it does not start burning in room temperature.

2. Evaporation rate should be low at room temperature and it should contain low content of non-combustible substances which remain after combustion.

3. There should be almost complete combustion so that no carbon particles are expelled with smoke.

Hence option C is correct.