The two reference fuels used for cetane rating are __________
A. cetane & iso-octane
B. cetane & normal heptane
C. cetane & alpha methyl naphthalene
D. cetane & tetra ethyl lead
Answer:C
The two reference fuels used for cetane rating are __________
A. cetane & iso-octane B. cetane & normal heptane C. cetane & alpha methyl naphthalene D. cetane & tetra ethyl lead