engineering recuitment NMDC Junior Officer (Trainee) Mock Test 2024 Internal Combustion Engine Octane and Cetane Number
Reference fuels for knock rating of SI engines fuels would include
1
Iso-octane and α-methyl naphthalene
2
Normal octane and aniline
3
Iso octane and n-hexane
4
n-heptane and iso-octane