Question:-
Which of the following are the assumption involved in the auto-ignition theory put forth for the onset of knock in SI engine?
1. Flame velocity is normal before the onset of auto ignition
2. A number of end-gas elements auto-ignite simultaneously
3. Reflame reactions are responsible for preparing the end-gas to ignite
Select the correct answer using the codes given below
Option (A)
1 and 2
Option (B)
1 and 3
Option(C)
2 and 3
Option(D)
1, 2 and 3
Correct Option:
(D)
Question Solution:
In auto-ignition theory flame velocity is normal before the onset of auto ignition
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