cooled to appropriate temperature
warmed up gradually to appropriate temperature
opened up and renewed
ground and polished
第1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:
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4题:
natural aspiration
masked intake valves
air cells
scavenging air
第5题:
big size
fuel economy
low speed
high power
第6题:
At least ___ cylinders in four--stroke engine will be configured to ensure that the engine can started with the crankshaft at whatever position.
A.6
B.2
C.12
D.8
第7题:
supplying high pressure oil into a hydraulic motor
supplying high temperature air into the cylinder
supplying high pressure air into the cylinder
electrical igniting
第8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9题:
principle
principal
cause
case
第10题:
respectable
respectful
respective
respectively