good lubrication
low thermal stress
good mechanical properties
acid corrosion
第1题:
High diesel engine cooling water temperatures can be caused by ______.
A.air in the cooling system
B.an overhauled water pump
C.correct amount of coolant
D.no air in the cooling system
第2题:
Maintains a constant head on the system
Reduces the likelihood of air or steam pockets formation
Provides a low pressure point for the addition of makeup cooling water
All of the above
第3题:
The cooling water of the diesel engine should be treated with chemical, because it contains .
A.alkali
B.acidity
C.salinity
D.impurity
第4题:
Cooling water is alkalescence
cooling water is acidity
cooling water has salinity
cooling water has impurity
第5题:
reduce lube oil temperature
raise exhaust temperature reduce
excessive heating of engine room
reduce load on cooling water pump
第6题:
Impeller
Compressor
After-cooler
Exhaust differ
第7题:
continuously
regularly
constantly
period
第8题:
Constant cooling the various components of diesel engine has a number of functions except for ______.
A.good lubrication
B.low thermal stress
C.good mechanical properties
D.acid corrosion
第9题:
Ⅰ+Ⅱ
Ⅱ+Ⅲ
Ⅲ+Ⅳ
Ⅰ+Ⅳ
第10题:
Internally finned liner
Externally finned liner
Wet liner
Integral water-jacket liner