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【单项选择题】

Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.

A、A.overspeed trip

B、B.audible/visual alarm

C、C.the ships/boats general alarm

D、D.reserve oil storage tank

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更多“Loss of lubricating oil pressure to the main propulsion diesel engine will actuate a/an （）.”相关的问题

第1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2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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第3题

[单选题] （）diesel engines generally have two systems of lubrication:（）a total loss system feeding and a circulating system lubricating the running gear and cooling the pistons.

A、Large crosshead type；crossheads B、High speed；the cylinders C、Large crosshead type；the cylinders D、Four-stroke；pistons and cylinders

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第4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5题

[单选题] （）, the motion would continue indefinitely once it had started.

A、Were there loss of energy by friction B、Since there be loss of energy by friction C、Were there no loss of energy by friction D、Should be no loss of energy by friction

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第6题

[单选题] （） clearances in the main or crank pin bearings will sometimes be indicated by loss of pressure in the lubricating system before any bearing knock is heard.

A、Too larger B、Too smaller C、Excess D、Excessive

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第7题

[单选题] A vessel has been damaged by fire. The survey shows the cost of repairs will exceed the value of the repaired vessel. This is an example of a(n)（）.

A、constructive total loss B、salvage loss C、actual loss D、preferred loss

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第8题

[单选题] The sudden reduction of pressure occurring within the crankcase of a refrigeration compressor during starting causes the （）.

A、sudden evaporation of wax crystals in the lubricant B、sudden evaporation of entrapped air in the lubricant C、release of refrigerant from the oil/refrigerant mixture D、release of dissolved lubricant from the refrigerant

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第9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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