单项选择题

A SECONDARY function of a waste heat boiler is to （）.

A.reduce engine exhaust noise
B.reduce engine back pressure
C.increase engine cycle efficiency
D.increase turbocharger efficiency

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单项选择题

Fuel injection systems meter fuel, atomize fuel, and （）.

A.create turbulence in the combustion chamber
B.aid in completing cylinder scavenging
C.inject fuel at the proper time
D.minimize fuel penetration into the cylinder

单项选择题

Large, two-stroke/cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the （）.

A.exhaust gas temperature system
B.exhaust load system
C.constant or pulse pressure system
D.constant volume system

单项选择题

Large, two-stroke/cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the （）.

A.exhaust gas temperature system
B.exhaust load system
C.constant or pulse pressure system
D.constant volume system