scavenging
forced draft
turbo-charging
aspiration
第1题：
Gas exchange
Charging
Scavenging
Supercharging
第2题：
feel the high pressure fuel line
check the cylinder exhausts for white smoke frequently
check the cylinder exhaust temperature
isolate each cylinder and inspect the injector
第3题：
A.water-tube
B.fire-tube
C.exhaust gas
D.composite
第4题：
provide exhaust back pressure
prevent exhaust smoke emissions
power a reciprocating supercharger
muffle exhaust gas noise
第5题：
Hydraulic stress and distortion will develop
Hot spots will develop
Fuel oil viscosity will increased
An increase in trapped deposits of scale and dirt
第6题：
lower than normal cylinder pressure and low exhaust temperature
lower than normal cylinder pressure and high exhaust temperature
higher than normal cylinder pressure and low exhaust temperature
higher than normal cylinder pressure and high exhaust temperature
第7题：
check cylinder lubrication prior to starting engine
connect exhaust gas analyzers to determine engine efficiency
pressure test cylinder heads to check for leaks
remove moisture accumulations from cylinder prior to starting
第8题：
Diesel engine blow-by is the leakage of combustion gases past the( ).
A.oil rings only
B.compression and scraper rings
C.cylinder liner sealing
D.cylinder liner ring grooves
第9题：
opening the exhaust ports
closing the fuel ports
farthest from the cylinder head
nearest to the cylinder head
第10题：
pumping action of the piston
pressure of the fuel charge
vacuum developed in the manifold
pressure of the fresh air charge