更多"The main advantage of improved Simp"的相关试题:
[单项选择]Simplex tailshaft seal equipment’s working condition is terribleThe main cause is （）
A. the shafting’s vertical vibration
B. violent friction and sea water corrosive
C. friction and high temperature
D. violent friction and high temperature
[单项选择]Simplex型密封装置用于（）。
A. 铁梨木轴承的尾轴
B. 白合金轴承的尾轴
C. 赛龙轴承的尾轴
D. 橡胶轴承的尾轴
[单项选择]All VHF marine band radios operate in the simplex mode，which means that（）.
A. only one person may talk at a time
B. only two persons may talk at the same time
C. the radio only transmits
D. the radio only receives
[单项选择]In modern installations, the main engine and the standby auxiliary engines（）
A. can be started at low temperature and are free from preheating
B. usually are preheated by steam before being started
C. are kept at a constant temperature and free from preheating
D. are kept at a low temperature to save energy
[单项选择]The main advantage and chief characteristic of a Steulchen boom is that it can be（）.
A. operated by one winchman
B. cradled on deck
C. swung from one hatch to the adjacent hatch
D. collared to the mast
[单项选择]Simplex尾轴密封装置工作条件恶劣的主要原因（）。
A. 轴系的纵向振动
B. 剧烈摩擦和海水腐蚀
C. 摩擦高温
D. 剧烈摩擦和摩擦高温
[单项选择]The main objective of the SOLAS Convention is to specify （） for the construction, equipment and operation of ships, compatible their safety.
A. at most references
B. at least references
C. maximum standards
D. minimum standards
[单项选择]I hereby request permission（）the ship’s main engine for routine maintenance.
A. immobilize
B. to immobilize
C. immobilization
D. immobilizing
[单项选择]The main steering gear must be able to steer the ship at maximum ahead service speed and be capable at this speed, and at the ships deepest service draught, of putting the rudder from 35 degrees on one side to 30 degrees on the other side within no （）.
A. more than 28 seconds
B. more than 60 seconds
C. less than 28 seconds
D. less than 60 seconds
[单项选择]
有以下程序
main（）
{
char s[]="abcde"；
s+=2；
printf（"%d/n"，s[0]）；
}
执行后的结果是（）
A. 输出字符a的ASCII码
B. 输出字符c的ASCII码
C. 输出字符c
D. 程序出错
[单项选择]Simplex改进型尾轴密封装置之所以应用广受欢迎，其原因之一是（）。
A. 密封性好且结构最简单
B. 密封性及跟踪性都好
C. 虽寿命短但密封性好
D. 密封性较好且造价低
[单项选择] 请读程序： main（） {char*p； chars[80]； scanf（"%s"，s）； p=s[0]； printf（"%s"，p）； } 请判断上面程序（）
A. 错误：p=s[0]；正确：p=*s；
B. 错误：p=s[0]；正确：p=s[]；
C. 错误：p=s[0]；正确：p=s；
D. 错误：p=s[0]；正确：p=&s；
[单项选择]配以“防渔网防阻装置”的Simplex后密封装置，其主要依靠（）部分起到防渔网作用。
A. 防护环尾侧鱼鳍状的渔网阻突
B. 船首侧滑动面
C. 防护环罩盖
D. 防护弹簧
[单项选择]
为防止轴系在运转中卷入渔网，Simplex后密封装置配以“防渔网防阻装置”，其主要结构是由（）组成。
a．防护环；
b．防护环罩盖；
c．防磨衬套；
d．防护弹簧。
A. a～d
B. a+b+d
C. a+c
D. a+c+d
[单项选择]The productivity of working shifts can be improved through a decrease of（）.
A. working hours
B. gangs
C. idle time
D. weight per set
[单项选择]The main purpose of changing main engine to electronic controlled is not to（）
A. control fuel injection time more precisely
B. control fuel injection rate more precisely
C. meet the environmental requirements
D. meet high engine speed requirements
[单项选择]
配以“防渔网防阻装置”的Simplex后密封装置，其“防渔网防阻装置”主要特点是（）。
a．所有零件都是分成两半的结构；
b．在坞内安装或检查时不用拆螺旋桨；
c．防护环更换方便；
d．防磨衬套更换方便；
e．防护环可以追随轴回转。
A. a～d
B. a+b+c+e
C. c+e
D. a+c+d+e
[单项选择]The net productivity per gang-hour can be improved through a decrease of（）.
A. cranes/derricks
B. crane/derrick cycles
C. crane/derrick cycle time
D. weight per package
