at the jacket cooler outlet to control the flux through the engine
at the jacket cooler outlet to control the flux through the cooler
at the engine outlet to control the flux through the engine
at the engine inlet to control the flux through the engine
第1题:
_______can cause oil flow from water outlet of the oil purifier.
A.Oil inlet valve opening too quickly
B.Oil temperature little higher than normal
C.Diameter of gravity disc too small
D.Viscosity of oil little lower than normal
第2题:
a dirty lube oil strainer
internal water leaks
an oil suction line restriction
excessive wears of the cooling water pump
第3题:
When using a fuel with a higher than normal sulfur content in an auxiliary four stroke diesel engine, you may
A.maintain higher than normal jacket water temperature
B.change the lube oil more frequently than normal
C.maintain a higher air-box temperature than normal
D.maintain a higher air-box pressure than normal
第4题:
fuel must be preheated
intake air should be preheated
lube oil outlet temperature should be increased 20℃ above normal
none of the above
第5题:
gravity
diameter
circumference
cylinder
第6题:
Modern marine diesel engines equipped with mechanical fuel injection operate on a combustion phase within the cycle which is ______.
A.entirely constant pressure
B.entirely constant temperature
C.a combination of constant volume and constant pressure
D.a combination of constant temperature and constant pressure
第7题:
Chilled water system supply temperature
Chilled water system return temperature
Compressor discharge temperature
Compressor suction pressure
第8题:
One of the reasons that causes oil flowed from sludge outlet of a self-cleaning purifier is
A.seal water supply be cut off
B.make-up water supply be cut off
C.oil outlet valve closed or not open sufficiently
D.the flow rate of oil is too much
第9题:
Oil inlet valve opening too quickly
Oil temperature too high
Diameter of gravity disc too small
Viscosity of oil too low
第10题:
Cross
Parallel
Counter
Circular