The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as

82) The process of removing the burnt gases from the engine cylinder by the fresh charge coming into the engine cylinder from the crank case, is known as

83) The function of a governor in automobiles is to

84) In a Diesel engine, the function of a fuel injector is to

85) The anti knock property of compression ignition engine fuel can be improved by adding