A.oil foaming will occur
B.large quantities of oil are consumed
C.lube oil viscosity is always decreased
D.corrosive by-products are usually formed
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A.keep the parts immersed in diesel fuel
B.always keep the plunger and barrel together
C.work over a linoleum-type surface
D.all of the above
A.Used of bimetallic piston rings
B.Ring gap pre-tensioning
C.Thermal increase in ring-end clearance
D.Gas pressure acting against the back of the ring
A.must be centrifuged
B.must by filtered
C.must be changed
D.is holding finely dispersed carbon in suspension
A.all excessive amounts of growth will cause the main engines of the vessel to stall due to the inability to supply the proper quantities of fuel to satisfy the existing load
B.The deposits produced by these growths form blockages and flow restrictions ultimately leading to improper atomization of the fuel into the cylinders
C.Eventually the growth of these organisms will deplete the supply of food available to them, which in turn will cause their demise
D.If continual growth is permitted, a sweet odor similar to that associated with baking will be noticed when system components are opened for inspection
A.well knurled
B.slightly streaked
C.lightly glazed
D.highly polished
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()
() is not installed on the main switchboar.
Flame failure in an automatically fired auxiliary boiler can from a/an ()
The condensers located in various stages of a flash evaporator are cooled by()
To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()
The shipboard oil pollution emergency plan will be invalid after ()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()
Which one is NOT the ‘clear grounds’ for a more detailed inspection?()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()