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The main bearing shells are made of steel with a lining of b

题目
单选题
The main bearing shells are made of steel with a lining of bearing metal which may be white metal, copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?（）
A

main bearing shells

B

main bearing

C

steel

D

bearing metal

参考答案和解析
正确答案： B
解析： 暂无解析
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相似问题和答案

第1题：

The cylinder liners are made of _____ and the cylinder surfaces are sometimes chromium-plated.

A.steel

B.copper

C.cast iron

D.stainless steel


正确答案：C

第2题：

单选题
On a large low-speed main propulsion diesel engine, lower main bearing wear is usually measured by using a/an （）
A

dial indicator

B

outside caliper

C

bridge gauge

D

tram rod


正确答案： D
解析： 暂无解析

第3题：

()these points in mind, and you ()a great impression.

A. Bearing ... make

B. Bear ... will make

C. To bear ... have made


参考答案：C

第4题：

单选题
The main bearing shells often have a thin （） of lead or indium to provide a layer giving protection against corrosion.
A

flange

B

flash

C

plate

D

sheet


正确答案： B
解析： 暂无解析

第5题：

单选题
Rivets are usually made of（）.
A

wrought-iron

B

aluminum

C

high-tensile steel

D

mild steel


正确答案： D
解析： 暂无解析

第6题：

Adjust ______by means of lead wire.

A.the clearance of the main bearing

B.the diameter of main bearing

C.the gap of main bearing

D.the tolerance of main bearing


正确答案：A

第7题：

单选题
The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.
A

nip

B

nap

C

gap

D

lip


正确答案： C
解析： 暂无解析

第8题：

In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the

A.crosshead

B.crankpin

C.crank journal

D.gudgeon pin


正确答案：D

第9题：

单选题
Diesel engine main and connecting rod precision bearings are made in halvesEach half exceeds one-half the bearing circumference by a small amountThe small amount is termed （）.
A

clearance

B

crush

C

pitch

D

thrust


正确答案： C
解析： 暂无解析

第10题：

单选题
The bearing shells depend on the accuracy of （） to held them in a truly circular shape.
A

the gap

B

the clearance

C

the bore

D

the housing


正确答案： C
解析： 暂无解析

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