海船船员考试
单选题A change in the degree of fuel atomization in a diesel engine would most greatly affect （）.A air turbulenceB fuel penetrationC fuel spray angleD fuel injection rate
题目
air turbulence
fuel penetration
fuel spray angle
fuel injection rate
相似问题和答案
第1题：
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
第2题：
low exhaust back pressure
high lube oil temperature
insufficient cranking speed
excessive fuel atomization
第3题：
When the ships is going to enter into the harbor
A.change from heavy fuel oil to diesel oil for main engine
B.pumping out bilge water
C.change sea chest form high level one to lower level one
D.test emergency generator
第4题：
is an indication of the amount of noncombustible material present in the oil
indicates the quantity of energy released by burning a unit amount of the fuel
is useful for determining proper atomization temperatures
reflects the overall thermal efficiency of the fuel oil service system
第5题：
diesel oil instead of fuel oil
fuel oil instead of diesel oil
diesel oil instead fuel oil
fuel oil instead diesel oil
第6题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine coolant
第7题：
has to be cooled
has heated
has preheated
has to be preheated
第8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9题：
affect the injection pressure
improve combustion
reduce compression pressure
decrease power output
第10题：
Bad combustion of the fuel
Bad atomization of the fuel
Liquid contaminants
Solid contaminants