Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine （）..

第1题

[] Lubricating oil systems are fitted with a wide variety of strainers some of which can be cleaned in site while others have replaceable cartridgesThe bold and italic word “which” means （）.

A、A.lubricating oil B、B.lubricating oil systems C、C.strainers D、D.cartridges

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第2题

[单选题] Lubricating oil systems for diesel engine journal bearings are usually lubricated by which of the following types of lubricating oil systems?（）

A、Splash B、Gravity C、Pressure D、Bypass

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第3题

[单选题] Excessive clearances in the main or crank-pin bearings will sometimes be indicated by （） before any bearing knock is heard.

A、loss of flow in the fuel system B、loss of pressure in the air system C、loss of flow in the lubricating system D、loss of pressure in the lubricating system

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第4题

[单选题] Fuel is delivered into the combustion space by （）.

A、a cooling system B、a lubricating system C、an electric system D、an injection system

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第5题

[单选题] 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6题

[单选题] Large crosshead type engine generally has two lubrication systems, a function performed only by crankcase oil system is（）

A、lubricating B、cooling C、cleaning D、neutralizing

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第7题

[] Large crosshead type engine generally has two lubrication systems, a function performed only by cylinder oil system is（）

A、A.lubricating B、B.cooling C、C.sealing D、D.cleaning

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第8题

[] What is one effect of running a diesel engine at too cool a temperature? （）

A、A.Buildup of sludge in the lubricating system B、B.Excessive fuel consumption C、C.Severe heat stresses on mechanical parts D、D.Foaming of the lubricating oil

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第9题

[单选题] In engines with system, the lubricating oil can be added to the engine through the filling hole in the crankcase cover, by using a hand oil can, or through the separator pipe（）

A、lubricating oil B、dry sump C、circulated tank D、wet sump

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第10题

[单选题] Large marine diesel engines of crosshead construction generally have two systems of lubrication: a total loss system feeding the （） and a recirculation system lubricating the running gear and cooling the piston.

A、cylinder liners and piston rings B、main bearings C、crankpin bearings D、turboblower

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Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine （）

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