metal particles loosened by wear
air when air cleaners are not used
condensation of water vapors
breakdown of the lubricating oil by dilution
第1题：
The core item in the Oil Record Book Part I is ____, and its main content is____.
A.Item A, BALLAST OR CLEANING OF FUEL OIL TANKS
B.Item B, DISCHARGE OF DIRTY BALLAST OR CLEANING WATER FROM FUEL OIL TANKS REFERRED TO UNDER SECTION(A)
C.Item C, DISPOSAL OF OIL RESIDUES(SLUDGE)
D.Item H, BUNKERING OF FUEL OIL
第2题：
Under normal weather and sea conditions when securing a stack of containers with twist locks，lashings are required when the tier exceeds what height?
A.Lashings are always required
B.One container
C.Two containers
D.Three containers
第3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4题：
excessive crankcase pressure
excessive lube oil temperature
contamination of the lube oil by water
contamination of the cooling water by lube oil
第5题：
With reference to the requirements under IMO MODU CODE，Operating manuals containing guidance for the safe operation of the MODU unit for both normal and envisaged emergency conditions， to the satisfaction of the Administration should be provided on board and be readily available to all concerned. The manuals should， in addition to providing the necessary general information about the unit， contain guidance on and procedures for the operations that are vital to the safety of personnel and the unit.The operating manual for normal operations should include the following general descriptive information（）
第6题：
The core(核心) item in the Oil Record Book Part I is______, and its main content is______.
A.Item A, BALLAST OR CLEANING OF FUEL OIL TANKS
B.Item B, DISCHARGE OF DIRTY BALLAST OR CLEANING WATER FROM FUEL OIL TANKS REFERRED TO UNDER SECTION(A)
C.Item C, DISPOSAL OF OIL RESIDUES(SLUDGE)
D.Item H, BUNKERING OF FUEL OIL
第7题：
Under normal weather and sea conditions when securing a stack of containers with non-locking fittings，lashings are required when the tier exceeds what height ________．
A.Lashings are always required
B.One container
C.Two containers
D.Three containers
第8题：
While sailing in ballast under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is
A.the exhaust temperature
B.the speed of main engine
C.the turbine rotation speed
D.the power of main engine
第9题：
gas oil
marine diesel oil
residue oil
crude oil
第10题：
cutting the restraining strap
unscrewing the turnbuckle on the back of the cradle
lifting one end of the raft
pushing the plunger on the center of the hydrostatic release