O-ring
gasket
washer
packing
第1题:
Have you ever served the auxiliary engine to combustion heavy oil? What should be borne in mind when transferring oil; from heavy oil to light oil?
第2题:
Lubrication for the main reduction gears used with diesel engines is usually supplied by
A.oil from the main engine sump
B.an independent lube oil system
C.the stern bearing head tank
D.the stem bearing sump tank
第3题:
In discussing oil pollution, one important fact to remember is that the problem remains the same( )heavy( )light oil is spilled into the water.
A.both/and
B.whether/or
C.neither/nor
D.because/so
第4题:
What are the two main types of stud link chain ________.
A.Oil Rig chain and Oil Field Stud Link chain
B.Flash-butt welded chain and Di-Lok chain
C.Flash-butt welded chain and Oil Rig chain
D.Oil Field Stud Link chain and Flash-butt welded chain
第5题:
If the sump ______were to rise this would indicate water leakage into the oil and an investigation into the cause must be made.
A.temperature
B.viscosity
C.lever
D.level
第6题:
When replacing a thermostatic expansion valve sensing bulb, it is necessary to
A.apply a light film of oil to increase heat transfer
B.apply a light film of oil to prevent oxidation
C.apply a heavy coating of grease to function as a heat sink
D.carefully coat the device with silicone sealant to reduce the effects of convective cooling
第7题:
A dirty diesel engine oil filter element can best be detected by ______.
A.visual inspection of the elements
B.the pressure drop across the filter
C.high lube oil sump temperature
D.decrease in oil viscosity from the filter
第8题:
Overheating of the hydraulic fluid in an electro-hydraulic anchor windlass can result from a/an( ).
A.overload on the pump motor
B.low fluid level in the reservoir
C.low fluid viscosity around the shaft seal
D.high oil level in the sump
第9题:
The complete details of a crude oil washing system aboard your vessel,including the operating sequences and procedures,design characteristics,a description of the system,and required personnel will be found in the ______.
A.Oil Transfer Procedures Manual
B.Crude Oil Washing Operations and Equipment Manual
C.Code of Federal Regulations
D.Crude Oil Washing addendum to the Certificate of Inspection
第10题:
牛油()