单选题On top of scavenging air box is mounted a strong cast iron frame for each cylinder known as（）A cooling jacketB cylinder linerC piston crownD cylinder cover

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单选题

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

cooling jacket

cylinder liner

piston crown

cylinder cover

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相似问题和答案

第1题：

汉译英：“纸箱；天然木托”，正确的翻译为：（）。
A. box； iron
B.bag ； bulk
C.box； wooden
D.bag ； wooden

答案：C

解析：

第2题：

单选题

The cast iron was melted and _____ into sand molds as soon as possible.

regulated

relayed

poured

oppressed

正确答案： D

解析：
句意：铸铁被熔化，然后尽快到进沙砾做的模子里。pour倾泻，倾倒。regulate控制。调整。relay分程传送。转播。oppress压迫，压抑。

第3题：

______ the biscuit in a strong box, or it will get smashed in the delivery.

A、Lift

B、Split

C、Sweep

D、Pack

参考答案：D

第4题：

单选题

Cast irons weakness in tension and under shock loading limits its use to low pressure steam, air, oil and low speed water fittingsThe above sentence, most probably means （）.

cast iron has weakness

cast iron can stand up shock loading

cast iron fittings are only suitable in low pressure situation

east iron fittings are not suitable in low pressure situation

正确答案： C

解析：暂无解析

第5题：

单选题

Cross scavenging requires the fitting of （） to prevent air or exhaust gas escape when the piston is at the top of the stroke.

a exhaust valve

a piston skirt

a piston crown

an air suction valve

正确答案： C

解析：暂无解析

第6题：

以下将#box的背景色设为灰色，且加5px的顶填充的写法，错误的是（）。

A、$（’#box’）.css（{’background’：’#ccc’，’padding-top’：’5px’}）
B、$（’#box’）.css（’background’，’#ccc’）.css（’paddingTop’，’5px’）
C、$（’#box’）.css（’background’：’#ccc’，’padding-top’：’5px’）
D、$（’#box’）.css（{’background’：’#ccc’，’paddingTop’：’5px’}）

正确答案:C

第7题：

单选题

An advantage of aluminum pistons, when compared to cast iron pistons is （）.

greater high temperature strength

better heat conductivity

greater weight per cubic inch

increased resistance to wear

正确答案： A

解析：暂无解析

第8题：

Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine by

A.natural aspiration

B.masked intake valves

C.air ceils

D.scavenging air

正确答案：D

第9题：

单选题

A number of cylinder liners are enclosed in one cast iron casing to form a （）.

cylinder cover

cylinder block

cylinder frame

bed-plate

正确答案： C

解析：暂无解析

第10题：

单选题

The cast iron（）for the cross-head are attached to the top section and seal off the crankcase.

cylinder cover

cross-head shoes

guide-ways

scavenging boxes

正确答案： C

解析：暂无解析

On top of scavenging air box is mounted a strong cast iron f

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