A.change from heavy fuel oil to diesel oil for mail engine
B.pumping oil bilge water
C.change sea chest form high level one to lower one
D.test emergency generator
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A.The cetane number has no affect on injection lag
B.The cetane number is an indication of the fuel’s viscosity
C.Ignition lag is reduced with fuels having a high cetane number
D.The cetane number is of little significance in the combustion
A.Ignition lag increases
B.Lube oil system pressure increases
C.Brake specific fuel consumption increased
D.Mechanical efficiency increaded
A.atop the piston crown
B.beneath the piston crown
C.at the base of the piston skirt
D.inside the cylinder liner cooling water jacket
A.the ship security plan
B.the company security plan
C.the port security plan
D.the national security plan
A.Inspector general
B.Captain of the port
C.local port authority
D.state pollution board
最新試題
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
The main purpose of port State control is not to（）
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
The shipboard oil pollution emergency plan will be invalid after （）