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Mechanical Engineering · Q243

Internal Combustion Engines (I.C. Engines)

Engineering and GATE · Mechanical Engineering · question 243

Q243

A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of

A.
75% iso-octane and 25% normal heptane
Answer
B.
75% normal heptane and 25% iso-octane
C.
75% petrol and 25% diesel
D.
75% diesel and 25% petrol

Answer: Option A

Solution

Answer: Option A
Solution:
A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of 75% iso-octane and 25% normal heptane
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