更多"The fuel injector injects a fine sp"的相关试题:
[单项选择]A distorted spray pattern from a fuel injector can cause a diesel engine to have （）
A. higher firing pressure
B. more power output
C. lower fuel pressure
D. less power output
[单项选择]Fuel injection systems meter fuel, atomize fuel, and （）.
A. create turbulence in the combustion chamber
B. aid in completing cylinder scavenging
C. inject fuel at the proper time
D. minimize fuel penetration into the cylinder
[单项选择]The high-pressure fuel opens the fuel valve and is sprayed into the cylinder in tiny droplets known as （）.
A. injection
B. penetration
C. atomization
D. compression
[单项选择]Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce（）.
A. cold corrosion of the nozzles
B. fuel viscosity for better atomization
C. carbon accumulation on the nozzles
D. fuel detonation in the cylinders
[单项选择]During the fuel injection period, fuel pressure must exceed cylinder gas pressure to （）.
A. ensure penetration and distribution of the fuel in the combustion chamber
B. ensure the needle valve is flushed clean during each injection
C. prevent combustion gas blowback into the open needle valve
D. prevent reflected pressure waves when the needle valve closes
[单项选择] 考虑下面的函数： int min(int x,int y){return xint max(int x,int y){return x>y?x:y;} 对于下面的代码： t=0; for(i=max(x,y);i>=min(x,y);i--) t+=i; 假设x=1,y=100,则可以得到函数调用的次数为（）
A. 200
B. 201
C. 101
D. 102
[单项选择]A fuel leak occurs in the high pressure fuel piping between the injection pump and fuel nozzleThis requires immediate repair because of the （）
A. high cost of fuel
B. serious fire hazard
C. possibility of pollution
D. poor combustion which will occur in that cylinder
[单项选择]Air in the fuel lines to the fuel injection nozzles of a diesel will result in （）.
A. lower compression pressures
B. overheating without smoking
C. failure to start
D. a run away without load
[单项选择]
有以下程序
int fun（int x[]，int n）
{
static int sum=0，i；
for（i=0；isum+=x[i]；
return sum；
}
main（）
{
int a[]={1，2，3，4，5}，b[]={6，7，8，9，}，s=0；
s=fun（a，5）+fun（b，4）；
printf（"%d/n"，s）；
}
程序执行后的输出结果是（）
A. 45
B. 50
C. 60
D. 55
[单项选择]The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the （） order is acknowledged.
A. finished with engines
B. stop
C. stand by
D. full ahead
[单项选择]（）is harmful for fuel pumps, fuel valves, cylinder liner, exhaust valve seats, and the turbocharger blades as well.
A. Bad combustion of the fuel
B. Bad atomization of the fuel
C. Liquid contaminants
D. Solid contaminants
[单项选择]Machinery driving fuel oil transfer and fuel oil service pumps must be fitted with a remote means of stopping the machinery from （）.
A. within the space concerned
B. outside the space concerned
C. the throttle station
D. within the fire room
[单项选择]A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. Your first action should be to（）.
A. Batten down the engine room
B. start the fire pump
C. apply carbon dioxide to the fire
D. shut off the fuel supply
[单项选择]
有以下程序
int f（int a）
{
return a%2；
}
main（）
{
int s[8]={1，3，5，2，4，6}，i，d=0；
for（i=0；f（s[i]）；i++）
d+=s[i]；
printf（"%d/n"，d）；
}
程序运行后的输出结果是（）
A. 9
B. 11
C. 19
D. 21
[单项选择]
有如下程序
int func（int a，int b）
{
return（a+b）；
}
main（）
{
int x=2，y=5，z=8，r；
r=func（func（x，y），z）；
printf（"%d/n"，r）；
}
该程序的输出结果是（）
A. 12
B. 13
C. 14
D. 15
[单项选择]Shaker, circulation and spray are the three general methods used in（）
A. pre-injection fuel oil treatment
B. lube oil filtration
C. lube oil purification
D. piston cooling
[单项选择]
有以下程序
void f（int x，int y）
{
int t；
if（x < y）
{
t=x；
x=y；
y=t；
}
}
main（）
{
int a=4，b=3，c=5；
f（a，b）；
f（a，c）；
f（b，c）；
printf（"%d，%d，%d/n"，a，b，c）；
}
执行后输出结果是（）
A. 3，4，5
B. 5，3，4
C. 5，4，3
D. 4，3，5
