Q83.
In the context of proposals to the use of hydrogen- enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements: 1. The main advantage of the use of H-CNG is the elimination of carbon monoxide emissions.
Answer
B
Explanation
• Statement 1 is not correct and statements 2 and 3 are correct: H-CNG is a blend of hydrogen and CNG, the ideal hydrogen concentration being 18%. Compared to conventional CNG, use of H- CNG can reduce emission of carbon monoxide up to 70%