A.stopping the main engine suddenly
B.changing the main engine running direction suddenly
C.the sailing from the shallow water area to the deep water area
D.the ship’s trim too much
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A.over heat
B.over speed
C.over pressure
D.over worn
A.increasing the linear velocity of the exhaust gases
B.changing directions of exhaust gas flow
C.decreasing the temperature of the exhaust gases
D.accelerating the exhaust gas through a reduced size orifice
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
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
最新試題
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
The treatment of the fuel oils involves storage, heating, filtering and（）
The condensers located in various stages of a flash evaporator are cooled by（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which of the following items don’t belong to dock repair works?（）
（） is not installed on the main switchboar.
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）