Choose the correct answer from the following four options.
S1: Higher volumetric efficiency due to more time for mixture intake in a four-stroke engine.
S2: Lower volumetric efficiency due to the lesser time for mixture intake in a two-stroke engine.
1
S1 and S2 both are incorrect.
2
S1 is correct and S2 is incorrect.
3
S1 is incorrect and S2 is correct.
4
S1 and S2 both are correct.
5
Question Not Attempted