Question:-
Which of the following feature(s) is/are used in the combustion chamber design to reduce SI engine knock?
Option (A)
Spark plug located away from exhaust value, wedge shaped combustion chamber and short flame travel distance.
Option (B)
Wedge shaped combustion chamber
Option(C)
Wedge shaped combustion chamber and short flame travel distance
Option(D)
Spark plug located away from exhaust value, short flame travel distance and side value design
Correct Option:
(C)
Question Solution:
The spark plug should be located closed to exhaust valve. So that it is not in the end region otherwise detonation will occur.
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