网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
单选题
关于雷达上旁瓣回波的说法中正确的是()。
A
无法判定旁瓣回波与真回波的距离远近
B
旁瓣回波的距离小于真回波的距离
C
旁瓣回波的距离大于真回波的距离
D
旁瓣回波与真回波的距离相同
参考答案
参考解析
解析:
暂无解析
更多 “单选题关于雷达上旁瓣回波的说法中正确的是()。A 无法判定旁瓣回波与真回波的距离远近B 旁瓣回波的距离小于真回波的距离C 旁瓣回波的距离大于真回波的距离D 旁瓣回波与真回波的距离相同” 相关考题
考题
单选题一艘不易觉察的、部分淹没的被拖船舶或物体或者这类船舶或物体的组合体应显示:在最后一艘被拖船舶或物体的末端或接近末端处,显示一个菱形体号型,如果拖带长度超过()时,在尽可能前部的最易见处另加一个菱形体号型。A
100mB
200mC
300mD
400m
考题
单选题关于网络型监视与报警系统的特点,不正确的说法是()。A
系统由多台计算机组成B
计算机之间采用网络通信C
单台计算机出现故障容易引起系统瘫痪D
单台计算机出现故障不影响整个系统的正常工作
考题
单选题对于活塞杆下端是方形法兰的机型如BW,吊缸时,整个填料函必须随同活塞杆一起吊出去,操作时轮机员只要在()内拆掉填料函的()固定螺栓。A
扫气箱/内圈B
曲轴箱/外圈C
扫气箱/外圈D
曲轴箱/内圈
考题
单选题Fuels of different qualities may require advancing or retarding the injection timing, in addition to which if the injection timing is advanced when the engine is running at loads below the (), then a saving in fuel can be achieved.A
BHPB
MCRC
IHPD
MEP
考题
单选题Which of the listed classes of fire would most likely occur in the engine room of a vessel?()A
Classes A and BB
Classes B and CC
Classes C and DD
Classes A and D
考题
单选题Vessels are required()Singapore Port Service when passing the points indicated.A
communicating withB
to communicate withC
be communicatedD
will communicate
考题
单选题前进中的双车船,采取()操纵方法,才能使船舶向右旋回圈最小。A
右满舵,左车和右车全速进车B
右满舵,右车停车,左车全速进车C
右满舵,左车全速倒车,右车全速进车D
右满舵,右车全速倒车,左车全速进车
考题
单选题Black smoke coming from a boiler can be caused by ().A
low water levelB
low oil pressureC
excessively high fuel pressureD
an improper air/fuel ratio
考题
单选题You are standing the wheelwatch on entering port and the master gives you a rudder command which conflicts with a rudder command from the pilot.What should you do?()A
obey the master‟sB
obey the pilot‟sC
bring the rudder to a position midway between the two conflicting ordersD
ask the pilot if he relinquishes control
考题
单选题Diesel engines obtain combustion air through turbo chargers,blowers,or().A
air startersB
carburetorsC
natural aspirationD
air receivers
考题
单选题增压二冲程柴油机当增压器损坏无法使用而使用辅助或应急鼓风机时,其运转功率与转速的降低程度主要应考虑的因素是()。Ⅰ.排气温度;Ⅱ.柴油机振动;Ⅲ.排气颜色;Ⅳ.柴油机运转状态A
Ⅰ+Ⅱ+ⅢB
Ⅰ+Ⅲ+ⅣC
Ⅱ+Ⅲ+ⅣD
Ⅰ+Ⅱ+Ⅳ
考题
判断题集装箱上箱号有七处。A
对B
错
热门标签
最新试卷