海船船员考试
单选题Proper atomization of fuel in diesel engine combustion chambers will （）.A affect the injection pressureB improve combustionC reduce compression pressureD decrease power output
题目
affect the injection pressure
improve combustion
reduce compression pressure
decrease power output
参考答案和解析
相似问题和答案
第1题：
In a diesel engine, late fuel injection is indicated by black or gray exhaust smoke with ______.
A.low firing pressure
B.low exhaust temperature
C.mechanical knock in each cylinder
D.fuel knock in each cylinder
第2题：
air quantity aspirated
fuel injection pressure
combustion pressure on the power stroke
compression on the compression stroke
第3题：
One of the factors limiting the amount of toad which can be put on a modem marine diesel engine is the_______.
A.governor sensitivity
B.exhaust temperature
C.fuel injection pressure
D.speed of the cam shaft
第4题：
delivering the same quantity of fuel to each cylinder for each power stroke according to engine load
maintaining the metering adjustment for a reasonable period under all load conditions
timing fuel injection to obtain maximum power and good fuel economy
distributing the fuel to all parts of the combustion chamber for proper combustion
第5题：
Increase the cooling water flow to the engine
Secure or reduce fuel to that cylinder
Screw down on the pressure adjusting spring to decrease to decrease popping pressure
Readjust the injection timing
第6题：
Modern marine diesel engines equipped with mechanical fuel injection operate on a combustion phase within the cycle which is ______.
A.entirely constant pressure
B.entirely constant temperature
C.a combination of constant volume and constant pressure
D.a combination of constant temperature and constant pressure
第7题：
controlling the amount of fuel injected into the cylinders
varying the speed of the turbocharger
adjusting the compression ratio
changing the timing of the fuel injection camshaft
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：
excessive fuel penetration
prolonged injection lag
reduced ignition lag
prolonged ignition lag
第10题：
induce carbon formation on cylinder walls
improve fuel penetration in the combustion space
form a friction reducing film between mating surfaces
lubricate the fuel injection