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Which one of the following is a wrong staement?

[A].	Scavenging is the process of removing the burnt gas from the engine cylinder by fresh charge coming into cylinder from the crank-case	[B].	The power developed in four stroke I.S. engine, for the same engine speed and cylinder volume, as compared to that of a two stroke engine is one-half
[C].	Instead of values, ports are used in case of two-stroke I.C. engines	[D].	In case of four stroke I.C. engines, the exhaust gases are driven out from engine cylinder by fresh charge of the fuel entering the cylinder

Answer: Option D