For a given compression ratio, to reduce the tendency to knock in an S – McqOptions

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1.	For a given compression ratio, to reduce the tendency to knock in an S I engine:
A.	Spark timing may be retarded
B.	The spark plug may be located farthest from the exhaust valve
C.	A quiescent combustion chamber with slower flame propagation rate may be used
D.	Organic nitrites may be used in the fuel
Answer» B. The spark plug may be located farthest from the exhaust valve

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