单项选择题
A.exhaust gas temperature system B.exhaust load system C.constant or pulse pressure system D.constant volume system
The PRIMARY function of a waste heat boiler is to （）.A....
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
The PRIMARY function of a waste heat boiler is to （）A.r...
单项选择题The PRIMARY function of a waste heat boiler is to （）
The principal difference between loop scavenging and cr...
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
