Each cylinder liner on the marine medium speed engines （）.

A、is usually cooled by sea water

B、can be replaced when worn out

C、is in direct contact with the water in the bore of the cylinder

D、can t expand when heated

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更多“Each cylinder liner on the marine medium speed engines （）.”相关的问题

第1题

[单选题] Each cylinder is closed at the top by a （）, made of a special heat-resistant steel.

A、cylinder liner B、coupling flange C、cylinder cover D、piston crown

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第2题

[单选题] On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）

A、cooling jacket B、cylinder liner C、piston crown D、cylinder cover

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第3题

[单选题] The cylinder liner forming the cylinder wall and the inside of the water jacket is called a（）

A、dry liner B、wet liner C、jacket liner D、corrugated liner

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第4题

[] Which of the following statements concerning cylinder liner wear is true?（）

A、A.Liner wear is distributed equally between the upper and lower portions of the cylinder B、B.Excessive liner wear causes wear between piston ring and groove C、C.Excessive, but uniform liner wear will not cause wear between piston ring and groove D、D.Liner wear is normally greatest in the middle of the cylinder

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第5题

[单选题] The cooling water jacket is common to all the cylinders but there are often （） to ensure that each cylinder receives the right amount and flow of water.

A、dividing walls B、divided walls C、dividing liners D、divided jackets

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第6题

[单选题] The bore of each cylinder is formed in a liner which can be （） when worn out.

A、welded B、replaced C、drilled again D、bored

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第7题

[] Which of the diesel engine cylinder liners listed has internal cooling water passages?（）

A、A.Internally finned liner B、B.Externally finned liner C、C.Wet liner D、D.Integral water-jacket liner