Fuel pump index is （）.

A、the viscosity index

B、the fuel oil contents

C、the starting speed

D、the reading at the rack

查看正确答案

更多“Fuel pump index is （）.”相关的问题

第1题

[单选题] Engine fuel pump index is （）.

A、the viscosity index B、the fuel oil contents C、the starting speed D、the reading at the rack

点击查看答案

第2题

[单选题] The amount of fuel delivered by a helical plunger fuel injection pump is controlled by （）

A、varying the pump discharge pressure B、varying the pump return pressure C、rotation of the pump plunger D、rotation of the pump barrel

点击查看答案

第3题

[单选题] The effective pump stroke of an individual port-and-helix fuel injection pump is determined by the （）

A、fuel delivery pressure B、pump plunger diameter C、plunger control rack position D、total pump stroke

点击查看答案

第4题

[单选题] Proper filtering and straining of fuel oil is important because the （）.

A、fuel oil pump will over-speed if dirt is not removed B、fuel oil transfer pumps cannot tolerate small amounts of dirt in the oil C、fuel injectors may be damaged by foreign particles in the fuel oil D、dirty fuel will clog the intake air filter

点击查看答案

第5题

[] Proper filtering and straining of diesel fuel is important because the（）

A、A.fuel oil pump will over-speed if dirt is not removed B、B.fuel oil transfer pumps cannot tolerate small amounts of grit in the oil C、C.fuel injectors may be damaged by foreign particles in the fuel oil dirty D、D.fuel will clog the intake air filter

点击查看答案

第6题

[单选题] In common rail engines, the fuel is（） before is injected into the cylinders.

A、stored in a common fuel line B、pumped by the injection pump C、at low pressure D、already atomized

点击查看答案

第7题

[单选题] Failure of fuel injection is usually due to trouble in the （）.

A、exhaust valves B、mechanical lubricators C、cooling water pumps D、fuel injection pumps

点击查看答案

第8题

[单选题] Fuel oil is pumped by means of （） from the bunker tanks.

A、a transfer pump B、a bilge pump C、a service pump D、a vacuum pump