A.over heat
B.over speed
C.over pressure
D.over worn
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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
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
最新試題
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
Cold weather starting of a diesel engine may be made easier by（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
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.
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Under MARPOL Code the ship to which it applies has to carry （）
（） is not installed on the main switchboar.