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Highest useful compression ratio (HUCR) is the highest compression ratio at...

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Automobile Engineering
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Highest useful compression ratio (HUCR) is the highest compression ratio at which the

Answer & Solution
Correct Answer: Option D

Highest Useful Compression Ratio (HUCR) is the compression ratio at which a fuel can be used without detonation in a specified test engine under specified operating condition and the ignition and mixture strength being adjusted to give best efficiency
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