dividing walls
divided walls
dividing liners
divided jackets
第1题:
The cooling liquid used for the cylinder may be referred to as _____.
A.jacket water
B.make-up water
C.boiler water
D.flushing water
第2题:
Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by
A.heat conduction into the injected fuel oil
B.heat conduction into the water jacket wall
C.water circulation through passages in the holder
D.fuel oil circulation through passages m the holder
第3题:
What is head tank in the closed cooling water system used for?
A.for the release of air from the cooling water
B.providing expansion room for heated cooling water
C.a place for implementing water and water treatment agent
D.all of the above
第4题:
Internally finned liner
Externally finned liner
Wet liner
Integral water-jacket liner
第5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6题:
Piston cooling fins are located
A.atop the piston crown
B.beneath the piston crown
C.at the base of the piston skirt
D.inside the cylinder liner cooling water jacket
第7题:
Why is it necessary to have routine testing of the cooling water?
A.To ensure that the proper residuals of treatment chemicals, as specified, are maintained all time
B.To trace leakage in the cooling water system
C.It is not necessary
D.To detect the presence of contaminants in the water that may be injurious to the cooling system
第8题:
The space between cylinder liner and jacket is called _____.
A.the cooling water
B.the circulating water
C.the cooler
D.the cooling water space
第9题:
stop the engine immediately to prevent damage
increase lube oil pressure
slow the engine allowing it to gradually cool
decrease the cooling water it temperature to the water jacket
第10题:
a low level in the engine expansion tank
excessively high coolant pressure
improper temperatures
malfunctioning of the jacket water heater