IC Engine Practice Test 2

1. The heating value per unit volume of hydrogen gas is less than ______________ that of air.

2. Octane number is determined by comparing the performance of petrol with the following hydro-carbons?

3. The molecular structure of the straight-run gasoline is changed by ___________

4. Detonation is caused by which of the following unstable compounds?

5. Which of the following is the lightest and most volatile liquid fuel?

6. Hydrogen is _____________ reactive fuel.

7. Stoichiometric air-fuel ratio of alcohol when compared to gasoline is?

8. Carbon residue in diesel oil should not be more than ___________

9. Hydrogen engine operate on ____________ throttling.

10. Polymerization is a chemical process in which molecules of a compound become ___________