海船船员考试
单选题Significant retardation of a diesel engine fuel injection timing will result in （）A smoother engine operationB advanced fuel ignitionC increased fuel economyD reduced engine power
题目
smoother engine operation
advanced fuel ignition
increased fuel economy
reduced engine power
参考答案和解析
相似问题和答案
第1题：
corrosion and grooving of exhaust valves
corrosion and gumming of the fuel injection pump
salt deposits in the exhaust manifold
slag deposits in the fuel injection equipment
第2题：
Quantity of fuel injected tends to be decreased
Quantity of fuel injected will always be increased
Start of injection tends to be advanced
Duration of injection will always greater
第3题：
_______can be a direct cause of faulty operation of diesel engine fuel injection nozzles.
A.Excessive fuel nozzle holder cooling
B.Sediment in the fuel supply
C.Distortion of the fuel spray pattern
D.Improper atomization of the fuel
第4题：
injector pump
fuel injector
governor
turbocharger
第5题：
obtain injection lag
help mix fuel and air
increase combustion pressure
utilize higher injection pressures
第6题：
improper adjustment
contaminated fuel
kinked fuel lines
excessive engine vibration
第7题：
a leaking fuel injection nozzle
a clogged air filter
early fuel injection
burned valves
第8题：
quantity of fuel injected is decreased
quantity of fuel injected will always be increased
start of injection is advanced
duration of injection will always be greater
第9题：
affect the injection pressure
improve combustion
reduce compression pressure
decrease power output
第10题：
excessive fuel pressure
high lube oil viscosity
inadequate fuel injection
excessive starting air pressure