The injector pump is operated by a cam which drives （） up and down.

A、the needle valve

B、the plunger

C、the piston

D、the cylinder

查看正确答案

更多“The injector pump is operated by a cam which drives （） up and down.”相关的问题

第1题

[单选题] The high pressure in fuel injection system of the diesel engine is produced by the （）.

A、injector pump B、fuel injector C、governor D、turbocharger

点击查看答案

第2题

[单选题] The fuel is supplied to the pump through ports or openings in the （） or cylinder of the pump.

A、bottle B、injector C、piston D、barrel

点击查看答案

第3题

[单选题] A （） pump is that where the volume of the pump chamber is alternately increased to draw the liquid in and then decreased to force the liquid out.

A、injector B、positive displacement C、centrifugal D、centripetal

点击查看答案

第4题

[单选题] The amount of fuel injection into a diesel engine cylinder by a unit injector, is controlled by（）

A、the firing pressure in the cylinder B、a metering helix inside the pump C、varying the physical length of the plunger stroke D、varying the clearance between the injector cam and the injector rocker arm

点击查看答案

第5题

[单选题] While overhauling a jerk-type fuel pump it is necessary to replace the pump plungerWhich of the parts listed below must also be replaced?（）

A、Delivery check valve B、Pump barrel C、Tubing to the injector D、Cam follower

点击查看答案

第6题

[单选题] Load control on a diesel engine is accomplished by （）.

A、regulating the speed of the turbocharger B、rotating the fuel injector pump plunger C、regulating the speed of the fuel oil transfer pump D、changing engine timing

点击查看答案

第7题

[] Blow-off of the relief valves of the main cylinders during operation indicates （）.

A、A.the cylinder cover is cracked B、B.the injector holes is clogged C、C.the cams are not properly set D、D.fuel pump is leaking

点击查看答案

第8题

[单选题] The injector pump is operated by a cam which drives the （） up and down.

A、piston B、drum C、plunger D、barrel

点击查看答案

第9题

[单选题] The lifting pressure of （） is set in the presence of a Surveyor it is locked and cannot be changed.

A、fuel valves of main engine B、injector pump of main engine C、safety valves of marine boiler D、safety valves of a reciprocating pump