In the event of the cylinder starting valve leakage （） wou

【名词&注释】

柴油机(diesel engine)

[单选题]In the event of the cylinder starting valve leakage （） would pass into the air pipes and ignite the oil deposited.

A. cooling water
B. vapor from the boiler
C. starting air
D. hot gase

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学习资料：

[单选题]十字头式柴油机应进行活塞运动部件与固定件（）校中。

A. A．横向
B. B．纵向
C. C．横向和纵向
D. D．规定要求的

[单选题]目前钢质海船建造时安装的轴系广泛采用（）。

A. 直线校中
B. 按轴承允许负荷校中
C. 合理校中
D. A或B或C

[单选题]Excessive clearances in the main or crank-pin bearings will sometimes be indicated by （） before any bearing knock is heard.

A. loss of flow in the fuel system
B. loss of pressure in the air system
C. loss of flow in the lubricating system
D. loss of pressure in the lubricating system

[单选题]In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a （） in the crankshaft to the bottom end bearing andthen up a connection rod to the gudgeon pin.

A. telescopic pipes
B. large bore
C. drilled passage
D. tied rod

[单选题]Such an engine frame helps （） the engine and so protect the bearings from the deformation forces transmitted via the ships double bottom.

A. to stiffen
B. to soften
C. to loosen
D. to wear

[单选题]During the fuel injection period, fuel pressure must exceed cylinder gas pressure to （）.

A. ensure penetration and distribution of the fuel in the combustion chamber
B. ensure the needle valve is flushed clean during each injection
C. prevent combustion gas blowback into the open needle valve
D. prevent reflected pressure waves when the needle valve close

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