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The linear motion of a diesel engine piston is converted to

题目
单选题
The linear motion of a diesel engine piston is converted to the rotary motion required to drive gears, propeller shafts, and generators by the （）.
A

flywheel

B

crankshaft

C

journal bearings

D

camshaft

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相似问题和答案

第1题：

单选题
What determines the number of events occurring in a cycle of operation in an internal combustion engine?（）
A

Crankshaft revolution

B

Type of engine (diesel or gasoline)

C

Distance a piston travels during a stroke

D

Number of pistons


正确答案： B
解析： 暂无解析

第2题：

单选题
Incomplete combustion in a running diesel engine can cause piston rings to become stuck as a result of （）
A

residual carbon deposits

B

lube oil viscosity breakdown

C

uneven heat expansion of the rings

D

uneven heat expansion of the piston


正确答案： B
解析： 暂无解析

第3题：

A Kort nozzle is a(n) ______.

A.hollow tube surrounding the propeller used to improve thrust

B.nozzle attached to a firefighting hose

C.intake valve on a diesel engine

D.piston cylinder on a diesel engine


正确答案：A
Kortnozzle（科特导流管）是中间空心的，在螺旋桨周围的用来提高侧推力的导流管。

第4题：

单选题
Scuffed cylinder liner surfaces in a diesel engine can result form（）
A

starting the engine hot

B

knurling the piston skirt

C

operating an overheated engine

D

using scuff resistant piston rings


正确答案： A
解析： 暂无解析

第5题：

单选题
Diesel engine piston ring blow-by is usually caused by excessive ring clearance at the ring（）
A

back

B

side

C

gap

D

bottom


正确答案： D
解析： 暂无解析

第6题：

单选题
Scuffed cylinder liner wearing surfaces in a diesel engines can result from （）
A

chromium plating piston rings

B

knurling the piston skirt

C

extended maximum power operation

D

applying load to a cold diesel engine


正确答案： D
解析： 暂无解析

第7题：

单选题
In a medium speed diesel engine, a trunk type piston may be cooled by（） Ⅰ.oil circulation though passages in the piston crown Ⅱ.heat transfer through piston rings and liner wall
A

Ⅰ only

B

Ⅱ only

C

either Ⅰ or Ⅱ

D

neither Ⅰ or Ⅱ


正确答案： D
解析： 暂无解析

第8题：

单选题
Scuffed cylinder liner wearing surfaces in a diesel engines can result from （）
A

starting the engine while hot

B

knurling the piston skirt

C

operating the engine overheated

D

scuff resistant piston rings


正确答案： D
解析： 暂无解析

第9题：

单选题
Trunk type diesel engine pistons are effectively cooled when heat is（）
A

radiated through the engine block

B

transferred to water cooled cylinder walls

C

conducted through the piston crown

D

transferred to escaping exhaust gases


正确答案： B
解析： 暂无解析

第10题：

单选题
The function of the piston compression rings used in a diesel engine is to （）
A

seal the space between the piston and liner

B

transmit heat from the piston to the cylinder liner

C

reduce the amount of combustion gas blow-by

D

all of the above


正确答案： A
解析： 暂无解析

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