海船船员考试
单选题Cylinders of marine diesel engines are normally cooled by （）.A sea waterB fine mineral oilC sanitary waterD fresh water
题目
sea water
fine mineral oil
sanitary water
fresh water
相似问题和答案
第1题：
A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an
A.turbocharger malfunction or failure
B.crankcase exhauster overload
C.overload on the intercooler
D.obstruction in the engine cylinders
第2题：
Cylinders of marine diesel engines are normally cooled by ___ .
A.sea water
B.fine mineral oil
C.sanitary water
D.fresh water
第3题：
Each cylinder liner on the marine medium speed engines _____.
A.is usually cooled by sea water
B.can be replaced when worn out
C.is in direct contact with the water in the bore of the cylinder
D.can t expand when heated
第4题：
to remove heat from oil cooled pistons
to wash away wear detritus
to neutralize acidic products
all of the above
第5题：
principle
principal
cause
case
第6题：
Diesel engines are started by supplying_____into the cylinders in the appropriate sequence for the required direction.
A.cooling water
B.compressing air
C.compressed air
D.cylinder oil
第7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8题：
Diesel engines are started by supplying into the cylinders in the appropriate sequence for the required direction.
A.cooling water
B.compressing air
C.compressed air
D.cylinder oil
第9题：
inefficiency
oiliness
detergency
purity
第10题：
two-stroke
four-stoke
long-stroke
short-stroke