low TBN value
high alkaline reserve
low flash point
high pour point
第1题：
dial indicator
outside caliper
bridge gauge
tram rod
第2题：
Manually trip the over-speed device
Interrupt the fuel flow to the engine
Disengage the safety interlock
Slide the camshaft to the neutral position
第3题：
The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.
A.large conical springs
B.compressed air pressure
C.hydraulic pressure
D.exhaust gas pressure
第4题：
fuel oil vapor at the sludge tank vent
unburned fuel vapors in the scavenge air receiver
lube oil vapors in the crank case
lube oil vapors in the engine room
第5题：
direct action of cam shaft
compressed air pressure
hydraulic “push rods”
direct action of the main piston moving down
第6题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine jacket water
第7题：
excessive crankcase pressure
excessive lube oil temperature
contamination of the lube oil by water
contamination of the cooling water by lube oil
第8题：
the same, whether at sea, or during maneuvering
adjusted during each hour of operation while at constant RPM
higher at sea than while maneuvering
lower at sea than while maneuvering
第9题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine coolant
第10题：
quantity of air it takes in and retains in the cylinders during a given time period
proportion of trapped air that is utilized in the combustion process
thermodynamic efficiency of the engine cycle
all of the above