For S.I. engines fuel most preferred are
A. aromatics
B. paraffins
C. olefins
D. napthenes
Answer:A
For S.I. engines fuel most preferred are
A. aromatics B. paraffins C. olefins D. napthenes
Explanation: For S.I. engines fuel most preferred are aromatics while for C.I. engines fuel most preferred are paraffins.