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Knocking sound occurs in engine when fue...

Knocking sound occurs in engine when fuel

A

Ignites slowly

B

Ignites rapidly

C

Contains water

D

Is mixed with machine oil

Text Solution

Verified by Experts

The correct Answer is:
B
Knocking - Sudden and irregular burning of the fuel mixture causing jerks against the piston and gives rise to violent sound. This is known as knocking.
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