A .8.0nmile
B .24.0nmile
C .25.1nmile
D .以上多错
[单选题]英版海图某灯塔灯高81m,额定光力射程24M,已知测者眼高为9m,则能见度良好(10nmile)时该灯塔灯光的最大可见距离是()。A .26.4nmileB .25.0nmileC .24.0nmileD .23.5nmile
[单选题]英版海图某灯塔灯高64m,额定光力射程24M,已知测者眼高为25m,如当时实际气象能见度为6nmile,则该灯塔灯光的最大可见距离是()。A .6.0nmileB .24.0nmileC .27.2nmileD .以上多错
[单选题]英版海图某灯塔灯高64m,额定光力射程20M,已知测者眼高为16m,如当时实际气象能见度为12nmile,则该灯塔灯光的最大可见距离是()。A .12.0nmileB .20.0nmileC .25.1nmileD .以上多错
[单选题]英版海图某灯塔灯高36m,额定光力射程17M,已知测者眼高为9m,则能见度良好(10nmile)时该灯塔灯光的最大可见距离是()。A .12.7nmileB .17.0nmileC .18.8nmileD .19.8nmile
[单选题]英版海图(额定光力射程)上某灯塔的灯质为Fl(2)6s81m22M,测者眼高为9m。则能见度为10nmile时,该灯塔灯光的最大可见距离为()。A .23.5nmileB .22nmileC .25.1nmileD .无法确定
[单选题]英版海图某灯塔灯高64m,额定光力射程30M,已知测者眼高为25m,则能见度良好(10nmile)时该灯塔灯光的最大可见距离是()。A .21.4nmileB .27.2nmileC .28.6nmileD .25.0nmile
[单选题]英版海图某灯塔灯高49m,额定光力射程25M,已知测者眼高为16m,则能见度良好(10nmile)时该灯塔灯光的最大可见距离是()。A .19.3nmileB .23.0nmileC .24.2nmileD .25.0nmile
[单选题]英版海图(额定光力射程)上某灯塔的灯质为Fl(2)4s49m24M,测者眼高为16m。则能见度为10nmile时,该灯塔灯光的最大可见距离为()。A .19.3nmileB .24nmileC .23nmileD .无法确定
[单选题]英版海图(额定光力射程)上某灯塔的灯质为Fl(2)6s49m22M,测者眼高为9m。则能见度为12nmile时,该灯塔灯光的最大可见距离为()。A .大于22nmileB .等于22nmileC .大于20.9nmileD .等于20.9nmile
[单选题]英版海图(额定光力射程)上某灯塔的灯质为Fl(2)6s36m20M,测者眼高为9m。则能见度为6nmile时,该灯塔灯光的最大可见距离为()。A .大于20nmileB .小于20nmileC .大于18.8nmileD .小于18.8nmile