题目内容（请给出正确答案）

[主观题]

Piston cooling fins are locatedA.atop the piston crownB.beneath the piston crownC.at the b

Piston cooling fins are located

A.atop the piston crown

B.beneath the piston crown

C.at the base of the piston skirt

D.inside the cylinder liner cooling water jacket

提问人：网友awei007 发布时间：2022-01-06

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更多“Piston cooling fins are locate…”相关的问题

第1题

A separate piston cooling system is used to limit any contamination _____ piston cooling g

lands_____ the piston cooling system only.

A.between, to

B.either, or

C.from, to

D.neither, nor

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第2题

Diesel engine piston seizure can be caused by ______________.A.poor cooling of cylinder wa

Diesel engine piston seizure can be caused by ______________.

A.poor cooling of cylinder walls

B.improper cooling of the piston

C.insufficient piston lubrication

D.all of the above

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第3题

As to the piston cooling, of the following, which statement is not true？A.Because the pist

As to the piston cooling, of the following, which statement is not true？

A.Because the piston is exposed to very high temperature, it must be cooled

B.The lower the piston cooling temperature is, the better it is√

C.Both water and lube oil can be used as coolant

D.One of the piston cooling methods is vibration cooling, with better effect

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第4题

The piston crown employs the usual jet-shaker principle with an arrangement of cooling bor

es in the crown so that the surface temperatures of the crown are moderate with a very even distribution.

A.water cooling

B.oil cooling

C.air cooling

D.combined cooling

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第5题

The（）chamber is enclosed between the cylinder head and piston

A.lubrication

B.injection

C.cooling

D.combustio

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第6题

A separate piston cooling system is used _____ any contamination from piston cooling gland

s to the piston cooling system only.

A.to help

B.to limit

C.to protect

D.to remove

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第7题

As to the piston cooling, of the following, which statement is not true（）

A．Because the piston is exposed to very high temperature, it must be cooled

B．The lower the piston cooling temperature is, the better it is

C．Both water and lube oil can be used as coolant

D．One of the piston cooling methods is vibration cooling, with better effect

点击查看答案

第8题

There is a _____ system lubricating the running gear and cooling the piston and sometimes

lubricating the cylinders.

A.recirculating

B.total loss

C.cooling

D.refrigeration

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第9题

When inspecting piston rings through the ports of a two-stroke/cycle diesel engine, black

areas on the sealing surfaces are the result of .

A.insufficient lubrication

B.improper piston cooling

C.blow-by

D.overload operation

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第10题

A crack in a cylinder liner can be caused byA.worn piston ringsB.installation of undersize

A crack in a cylinder liner can be caused by

A.worn piston rings

B.installation of undersized sealing rings

C.operating the engine at low loads

D.restricted cooling water passages

点击查看答案

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