更多"[单选题] You are landing a single-scre"的相关试题:
[单选题] If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies，which frequency should you call on ________．
A.Calling frequency
B.Distress frequency
C.Urgency frequency
D.Working frequency
[单选题] You are fueling your vessel when you notice oil in the water around your vessel．You should immediately stop fueling and ______．
A.Begin cleanup operations
B.Notify the U．S．Coast Guard
C.Leave the area
D.Notify the Corps of Engineers
[单选题] You are overtaking a vessel at night and you see a yellow light showing above the sternlight of the overtaken vessel . The overtaken vessel is _______ .
A. underway and dredging
B. pushing ahead or towing alongside
C. towing astern
D. a pilot vessel
[单选题] When navigating a vessel，you ______．
A.Can always rely on a buoy to be on station
B.Can always rely on a buoy to show proper light characteristics
C.Should assume a wreck buoy is directly over the wreck
D.Should never rely on a floating aid to maintain its exact position
[单选题] You see another vessel approaching , and its compass bearing does not significantly change . This would indicate that _____ .
A. you are the stand-on vessel
B. risk of collision exists
C. a special circumstances situation exists
D. the other vessel is dead in the water
[单选题] You are approaching another vessel and are not sure whether danger of collision exists．You must assume ______．
A.There is a risk of collision
B.You are the give-way vessel
C.The other vessel is also in doubt
D.All of the above are correct
[单选题] You are docking a vessel starboard side to with the assistance of two tugs．You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power．You must ensure that ______．
A.steerageway is not taken off
B.the bow doesn't close the dock first
C.the bow closes the dock first
D.the ship has no headway at the time
[单选题] Your vessel is approaching a bend . You hear a prolonged blast from around the bend . You should ________ .
A. back your engines
B. stop your engines and drift
C. answer with one prolonged blast
D. sound the danger singal
[单选题] You are docking a vessel．Wind and current are most favorable when they are ______．
A.crossing your course in the same direction
B.crossing your course in opposite directions
C.parallel to the pier from ahead
D.setting you on the pier
[单选题] Generally，you can best keep a vessel under steering control when the vessel has ______．
A.Headway
B.Sternway
C.No way on，with engines stopped
D.No way on，with engines full ahead
[单选题] If your vessel is underway in fog and you hear one prolonged and three short blasts，this is a ______．
A.vessel not under command
B.sailing vessel
C.vessel being towed（manned）
D.vessel being towed（unmanned）
[单选题] If you are the stand-on vessel in a crossing situation，you may take action to avoid collision by your maneuver alone．When may this action be taken ________．
A.At any time you feel it is appropriate
B.Only when you have reached extremis
C.When you determine that your present course will cross ahead of the other vessel
D.When it becomes apparent to you that the give-way vessel is not taking appropriate action
[单选题] By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by ______.
A. a floodlight
B. two red lights in a vertical line
C. a single red light
D. any visible lights
[单选题] When a pushing vessel and a vessel being pushed are rigidly connected in a composite unit, they shall be regarded as ______ .
A. a tugboat
B. a sailing vessel
C. a power-driven vessel
D. a vessel propelled by machinery and under sail
[单选题]? A vessel is in sight of another vessel when _______.
A. she can be observed by radar
B. she can be observed visually from the other vessel
C. she can be plotted on radar well enough to determine her heading
[单选题] If your vessel is the stand-on vessel in a crossing situation ______．
A.You must keep your course and speed
B.You may change course and speed as the other vessel must keep clear
C.The other vessel must keep her course and speed
D.Both vessels must keep their course and speed
[单选题] An overtaken vessel means a vessel ______ .
A. which has been overtaken by another vessel
B. which is going to overtake another vessel
C. which has overtaken another vessel
D. which is going to be overtaken by another vessel
