the engine was over filled
there might be a fuel leak
there might be a water leak
all of the above
第1题：
When the ships is going to enter into the harbor
A.change from heavy fuel oil to diesel oil for main engine
B.pumping out bilge water
C.change sea chest form high level one to lower level one
D.test emergency generator
第2题：
low lube oil temperature
low lube oil pressure
high exhaust temperature
high cooling water pressure
第3题：
If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because the
A.cylinder compression pressure may not be high enough
B.cylinder compression temperature may be too high
C.fuel oil injection pressure may not be high enough
D.scavenge and purge process is incomplete
第4题：
employing fuel oil as a cooling medium
preventing hard carbon deposit on nozzle tips
avoiding fuel oil temperature exceeding builder’s specification
ensuring good metallic contact between nozzles and cylinder heads
第5题：
check the pyrometer readings
check the crankcase oil level
check the fuel oil strainers
clean the fuel system
第6题：
Immediately after any diesel engine is started, the engineer should check the ______.
A.crankcase pressure
B.lube oil pressure
C.saltwater pressure
D.exhaust temperature
第7题：
change from heavy fuel oil to diesel oil for mail engine
pumping oil bilge water
change sea chest form high level one to lower one
test emergency generator
第8题：
Crankcase explosions in propulsion diesel engines result from ____.
A.the splashing of lubrication oil by the crankshaft
B.the dilution of crankcase oil with particles of combustion
C.broken fuel lines spraying oil on the crankcase
D.the ignition of unburned fuel and air in the crankcase
第9题：
compression pressure
lube oil header pressure
scavenge air pressure
piston ring blow-by
第10题：
excessive crankcase pressure
excessive lube oil temperature
contamination of the lube oil by water
contamination of the cooling water by lube oil