causes colloid suspension in the cooling water
reduces the capability of the lubrication system
can form pockets which block the flow of coolant through the system
leads to the scuffing of cylinder walls
第1题:
Impeller
Compressor
After-cooler
Exhaust differ
第2题:
over-speeding of the engine
failure of the engine to shut down
no effect of engine mounting bolts
high exhaust temperatures
第3题:
_____ the engines, the diesel engine is ____ used engine on board
A.Between / more commonly
B.Among / the most commonly
C.Between / not more commonly
D.Among / not the most commonly
第4题:
engine operating speed
an air manifold
a hydraulic distributor
individual cams and valve gear
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:
exhaust gas pressure
exhaust gas temperature
speed
load
第7题:
lower the no-load RPMs
provide more air for combine with the fuel
increase the no-load RPMs
provide more fuel combine with the air
第8题:
The most serious effect of air trapped in a diesel engine jacket water cooling system is that it ______.
A.Causes colloid suspension in the cooling water
B.Reduces the capability of the lubrication system
C.Can form pockets which block the flow of coolant through the system
D.Leads to the scuffing of cylinder walls
第9题:
quantity of air it takes in and retains in the cylinders during a given time period
proportion of trapped air that is utilized in the combustion process
thermodynamic efficiency of the engine cycle
all of the above
第10题:
starting air pressure
scavenge air pressure
over-speed trip
banjo oiler line