You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should（）.
1、You are underway at 5 knots and see on
You are underway at 5 knots and see on your radar a contact 10 miles directly astern of you. 12 minutes later，the contact is 8 miles directly astern of you. What is the estimated speed of the contact? （）ADead in the waterB1 knotC10 knotsD15 knot
2、You are underway and pass by a lightho
You are underway and pass by a lighthouse.Its light，which was white since you first sighted it，changes to red．This means（）.AThe light is ch...
3、You are underway in fog and you hear o
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.ATowingBEngaged on pilotage dutyCAground in a fairwayDStopped and making no way through the water
4、When underway in a channel,you should
When underway in a channel,you should keep to the（）.Amiddle of the channelBstarboard side of the channelCport side of the channelDside of the channel that has the widest tur
5、You are underway in thick fog. You hav
You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?（）.AYour speed must be reduced t...
6、You are underway in restricted visibil
You are underway in restricted visibility and hear a fog signal forward of the beam. Nothing appears on your radar screen. You must（）.Astop your enginesBsound two prolonged blasts of the whistleCsound the danger signalDslow to bare steerageway