单项选择题

A distorted spray pattern from a fuel injector can cause a diesel engine to have （）

A.higher firing pressure
B.more power output
C.lower fuel pressure
D.less power output

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单项选择题

Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium?（）

A.The chromium will not wear out the piston rings
B.The chromium strengthens the liners in the way of the scavenging air ports
C.Chromium eliminates the need for oil scraper rings
D.Pores in the plating aid in maintaining the lube oil film

单项选择题

If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will （）

A.decrease until the engine speed increases
B.increase as the load increases
C.decrease as the load
D.increases remain unchanged

单项选择题

The International Code for the Construction and equipment of Ships Carrying Dangerous Chemicals in Bulk (IBC Code) is a part of （）

A.SOLAS
B.MARPOL
C.STCW
D.Ballast Water convention