Liner wear is distributed equally between the upper and lower portions of the cylinder
Excessive liner wear causes wear between piston ring and groove
Excessive, but uniform liner wear will not cause wear between piston ring and groove
Liner wear is normally greatest in the middle of the cylinder
第1题：
Which of the following statements concerning intellectual property is wrong？（）
第2题：
c=d
l and k are parallel
m and l are perpendicular
第3题：
Before engaging the turning gear and turning the diesel engine, which of the following operation should be done except______.
A.open the indicator cocks
B.supply some CYL.Oil to cylinder liner wall with lubricator (only for two stoke diesel engine)
C.put the fuel handle in the "stop" position
D.pump up the air bottle
第4题：
open the indicator cocks
supply some LO to cylinder liner wall with lubricator
put the fuel handle in the stop position
pump up the air bottle
第5题：
Cargoes are any type of goods transported by any type of ships
Cargoes are goods transported in bulk
Cargoes usually include goods transported in bulk and in containers
Cargoes are usually packaged in containers
第6题：
Energy can be created or destroyed
Energy may not be transformed
The total quantity of energy in the universe is always the same
None of the above
第7题：
amount of scavenge air to the cylinder
quality of fuel injected
viscosity of the lube oil
compression ratio of the piston
第8题：
Which of the following statements is FALSE，concerning the regulations pertaining to the cylinder room of a fixed CO2 fire extinguishing system ________．
A.The compartment must be properly ventilated
B.The temperature of the room should never exceed 130℉
C.The door must be kept unlocked
D.The compartment shall be clearly marked and identifiable
第9题：
additives
water
grease
acid solution
第10题：
welded
replaced
drilled again
bored