InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
The petrol of octane number 80 has :A. 80% n-heptane + 20% iso-octaneB. 20% n-heptane + 80% iso-octaneC. 20% n-heptane + 80% n-octaneD. 80% n-heptane + 20% n-octane |
|
Answer» Correct Answer - B (B) Octane number is the percentage of iso-octane (2, 2, 4-trimethylpentane) in a mixture of iso- octane and n-heptane which has the same anti- knock properties as the given fuel. Thus a mixture having 80% iso-octane and 20% n-heptane has a octane number of 80. |
|