A.engine overload
B.leaky valves
C.stuck or broken piston rings
D.low air injection pressure
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A.Corrosion and eventual failure of the tank
B.Gumming of the tank relief valves
C.Immediate failure of components downstream of the compressed air system
D.Boiling of the water oil mixture as pressure is reduced
A.effective cylinder scavenging and cooling
B.constant pressure from the turbochargers
C.cooler operation of the exhaust system
D.effective constant pressure for turbocharger operation
A.Lubrication
B.Cooling
C.Fuel
D.Electric ignition
A.overloading the engine
B.low exhaust valve lift
C.excessive cylinder cooling
D.insufficient mechanical clearance
A.exhaust manifold
B.valve bridge
C.pressure of the fresh air charge
D.valve adjusting gear
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