The process of supplying a diesel engine cylinder with air at a pressure greater than atmospheric is called（）.

A.increase exhaust back pressure
B.causes excessive crankcase pressure
C.can only be detected by a compression check
D.decreases fuel consumption

A.fuel droplets will burn as they leave the fuel injector
B.fuel will not be properly atomized in the cylinder
C.maximum expansion of the burned fuel cannot take place in the cylinder
D.compression pressure will be too low to cause fuel ignition

A.inside micrometer
B.feeler gauge and straight edge
C.adjustable trammel
D.sighting device