Octane number of iso-octane is:
आइसो-ऑक्टेन की ऑक्टेन संख्या है:
50
70
0
100
100
●Octane number, also called antiknock rating,
measure of the ability of a fuel to resist knocking when ignited in a mixture
with air in the cylinder of an internal-combustion engine.
●By definition, iso-octane is
assigned an octane rating of 100 and heptane is assigned
an octane rating of zero.Higher the octane number, higher will be the
engine performance.
Hence, the correct option is (D).
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