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
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相关考题
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单项选择题
The PRIMARY function of a waste heat boiler is to （）.
A.reduce engine exhaust noise
B.reduce engine back pressure
C.recover heat which otherwise would be lost
D.increase turbocharger efficiency -
单项选择题
The PRIMARY function of a waste heat boiler is to （）
A.reduce engine exhaust noise
B.reduce engine back pressure
C.recover heat which otherwise would be lost
D.increase turbocharger efficiency -
单项选择题
The principal difference between loop scavenging and crossflow scavenging, as used in single acting diesel engines, is the （）
A.direction of air flow within the cylinder
B.sequence of port opening
C.method of opening exhaust ports
D.volume of air admitted to the cylinder
