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
本船前方河道入口处两侧有陡山，河口宽度为300米，雷达天线水平波束宽度为1º，本船离河口（）海里以外时，雷达荧光屏上河口将被两侧陡山回波堵满。
A
7.5
B
9.3
C
10.4
D
6
参考答案
参考解析
解析：
暂无解析
更多 “单选题本船前方河道入口处两侧有陡山，河口宽度为300米，雷达天线水平波束宽度为1º，本船离河口（）海里以外时，雷达荧光屏上河口将被两侧陡山回波堵满。A 7.5B 9.3C 10.4D 6” 相关考题
考题
单选题This is（）where we shall anchor.A
the light-houseB
the anchorageC
the pilot stationD
the light-buoy
考题
单选题The distance from TDC to BDC of the diesel engine is called （）.A
gapB
clearanceC
radiusD
stroke
考题
单选题For occasional heavy loads, two cranes can be arranged to work together. The operating （） for deck crane motors may be hydraulic electric.A
principleB
mediumC
instructionD
voltage
考题
单选题在航次租船合同中，没有任何条款涉及船舶所有人应承担的适航义务，则船舶所有人承担的适航义务应是（）.A
同《海牙规则》的规定B
同《汉堡规则》的规定C
绝对适航的义务D
A、B、C都不正确
考题
单选题During the watch keeping at sea, routine adjustments should be （）A
made and noted as required by the duty engineerB
reported to chief engineer immediately after being made by duty engineerC
never made before getting permission from chief engineerD
made as required but not logged
考题
单选题按规定GMDSS船舶在海上航行时，应在（）上保持连续值守。①VHFCH16及CH13；②无线电话遇险频率2182kHz；③适当的DSC遇险和安全频率；④接收MSI的信道；⑤VHFCH70A
①②⑤B
①③⑤C
③④⑤D
①③④
考题
单选题To avoid scavenge fires occurring the engine timing and equipment maintenance （）.A
should be correctly carried outB
should correctly be taken placeC
should carried with careD
must to carry out with great care
考题
单选题关于WARTSILA SULZER RT-FLEX系列智能柴油机与MAN BW ME系列智能柴油机的操纵系统根本区别在于RT-FLEX系列电子控制（），ME系列电子控制（）。A
储压器/高压油泵B
容积喷射控制单元/储压器C
储压器/容积喷射控制单元D
容积喷射控制单元/高压油泵
考题
单选题In a twin screw ship going half-ahead，both screws turning outboard and the rudder amidships，no current or wind，the vessel will（）.A
Move bodily to portB
Move bodily to starboardC
Move in a zig-zag motionD
Steer a fairly straight course
考题
单选题离心式压气机喘振的基本原因是（）。A
流量减少，背压增高，气流在工作叶轮前缘叶片凸面发生分离而产生B
流量增加，背压降低，气流在工作叶轮前缘叶片凸面发生分离而产生C
流量减少，背压增高，气流在工作叶轮前缘叶片凹面发生分离而产生D
流量增加，背压降低，气流在工作叶轮前缘叶片凹面发生分离而产生
热门标签
最新试卷