题目内容
（请给出正确答案）
Fuel injected into a diesel engines cylinder is ignited by _____.
A.the heat compressed fuel/air mixture in the cylinder
B.the fuel igniter
C.the fuel injector
D.the fuel pump
安装简答题APP，拍照搜题省时又省心！
更多“Fuel injected into a diesel en…”相关的问题
A.quantity of fuel injected is decreased
B.quantity of fuel injected will always be increased
C.start of injection is advanced
D.duration of injection will always be greater
A.valve will open later
B.valves will close later
C.amount of fuel injected will be increased
D.amount of fuel injected will be decreased
When fuel is injected in a diesel engine cylinder too early, ________.
A.ignition may be delayed
B.fuel economy is not affected
C.exhaust gas temperature will be unchanged
D.the exhaust will be clear
A．metering
B．timing
C．rate of injection
D．rate of distributio
When fuel is injected late into a diesel engine cylinder_______.
A.the exhaust will be clear
B.fuel consumption will be low
C.all the fuel will be burned at top dead center
D.fuel consumption will be high
A．shortened ignition delay period
B．a lean fuel/air mixture
C．excess fuel in the combustion chamber
D．rapid vaporization of injected fuel droplet
A.a shortened ignition delay period
B.a lean fuel/air mixture
C.excess fuel in the combustion chamber
D.rapid vaporization of injected fuel droplets
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
Fuel has to be injected into the engine at a high pressure so that it _____ correctly.
A.is purified
B.in timed
C.is compressed
D.atomizes
Fuel has been injected but ignition failsThe possible cause may be _____.
A.leaky exhaust valve
B.increased scavenging air temperature
C.engine cylinders not scavenged sufficiently
D.water in the fuel oil
为了保护您的账号安全，请在“简答题”公众号进行验证，点击“官网服务”-“账号验证”后输入验证码“”完成验证，验证成功后方可继续查看答案！
微信搜一搜
简答题
微信搜一搜
简答题
如搜索结果不匹配，请 
