更多"A vessel towing is showing three fo"的相关试题:
[单项选择]A power-driven vessel towing another vessel astern (tow less than 200 meters) shall show ().
A. three masthead lights in a vertical line instead of either the forward or after masthead light
B. two masthead lights in a vertical line instead of either the forward or after masthead lights
C. two towing lights in a vertical line at the stern
D. a small white light aft of the funnel
[单项选择]A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall,when making way,exhibit().
A. the masthead lights for a towing vessel
B. the lights for a vessel restricted in its ability to maneuver
C. sidelights,sternlight and towing light
D. All of the above
[单项选择]A vessel towing where the tow prevents her from changing course shall carry().
A. only the lights for a vessel towing
B. only the lights for a vessel restricted in her ability to maneuver
C. the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuver
D. the lights for a towing vessel and the lights for a vessel not under command
[单项选择]Vessel towing with the current shall()tow more than two boats and they must be towed alongside.
A. at times
B. at any time
C. at no time
D. at moment
[单项选择]A vessel towing a barge astern would show,at the stern().
A. only a stern light
B. a towing light above the stern light
C. two towing lights in a vertical line
D. two white lights in a vertical line
[单项选择]A tug is towing three manned barges in line in fog. The first vessel of the tow should sound ().
A. no fog signal
B. one short blast
C. one prolonged and three short blasts
D. one prolonged,one short,and one prolonged blast
[单项选择]A vessel displaying three red lights in a vertical line is().
A. restricted in her ability to maneuver
B. not under command
C. engaged in mineclearing operations
D. constrained by her draft
[单项选择]By day,you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls,and the middle shape is a diamond. It could be a().
A. vessel trolling
B. mineclearing vessel
C. trawler
D. vessel engaged in replenishment at sea
[单项选择]You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern,which is lower than the forward light.It could be a().
A. Survey vessel
B. Vessel not under command
C. Vessel aground
D. Pilot vessel with port side to you
[单项选择]A towing vessel becomes tripped while towing on a hawser astern. What factor is MOST important when assessing the risk of capsizing? ()
A. Length of the towline
B. Height of the towline connection
C. Longitudinal position of the towline connection
D. Direction of opposing force
[单项选择]A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes? ()
A. a diamond shape
B. two cones,apexes together
C. a black ball
D. one cone,apex upward
[单项选择]A power-driven vessel pushing aheador towing alongside displays navigation lights and().
A. two all-round red lights in a vertical line
B. two yellow towing lights in a vertical line
C. two white masthead lights in a vertical line
D. two lights on the stern,one yellow and one white
[单项选择]A power-driven vessel,when towing astern,shall show().
A. two towing lights in a vertical line
B. a towing light in a vertical line above the sternlight
C. two towing lights in addition to the sternlight
D. a small white light in lieu of the sternlight
[单项选择]Which statement is TRUE concerning a towing vessel which,due to the nature of her work,is unable to keep out of the way of another vessel?()
A. By day,she shall carry a black cylinder shape
B. By day,she shall carry two black balls in a vertical line
C. By night,she would show the same lights as a vessel not under command
D. By day,she would show the same shapes as a vessel restricted in her ability to maneuver
[单项选择]A towing vessel is tripped when().
A. it is overtaken by the tow
B. it is pulled sideways by the tow
C. the weight of the towing hawser causes loss of maneuverability
D. the propeller is fouled by the towing hawser
[单项选择]A towing vessel and her tow are severely restricted in their ability to change course. When making way,the towing vessel will show ONLY().
A. the masthead lights for a towing vessel
B. the lights for a vessel restricted in her ability to maneuver
C. sidelights,stern light,and towing light
D. All of the above