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Question
Which of the following statement is wrong ?
Options:
A .  In compression ignition engines, detonation occurs near the beginning of combustion.
B .  Since the fuel, in compression ignition engines, is injected at the end of compression stroke, therefore, there will be no pre-ignition.
C .  To eliminate knock in compression ignition engines, we want to achieve auto-ignition not early and desire a long delay period.
D .  In compression ignition engines, because of hetrogeneous mixture, the rate of pressure rise is comparatively lower.
Answer: Option C
Answer: (c).To eliminate knock in compression ignition engines, we want to achieve auto-ignition not early and desire a long delay period.

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