更多"A vessel towing astern in an operat"的相关试题:
[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，stern light and towing light
D. All of the above
[单项选择]When towing astern what equipment should be stowed ready for use near the towline?（）
A. First aid kit
B. Axe or cutting torch
C. Fire extinguisher
D. Chafing gear
[单项选择]A chain bridle is used when towing astern because it（）.
A. Is easy to connect
B. Provides an effective catenary and absorbs shock due to its weight
C. Makes rigging a swivel unnecessary
D. Prevents the tow from yawing by the drag of the chains in a seaway
[单项选择]When towing astern，increased catenary will（）.
A. increase control of the tow
B. prevent the towing vessel from going in irons
C. make the towing vessel less maneuverable
D. reduce shock stress on the towing hawser
[单项选择]You have been towing astern and have just let go the tow.Your deckhands are pulling in and faking the towline by hand on the stern.The most dangerous action to take is to（）.
A. continue ahead at slow speed
B. continue ahead at half speed
C. stop your engines
D. back down on your engines
[单项选择]When towing astern，one way to reduce yawing of the tow is to（）.
A. trim the tow by the stern
B. trim the tow by the head
C. have the tow on an even keel
D. list the tow on the side it is yawing
[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]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 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]In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.
A. insure that the hawser leads directly aft as it passes over the stern of the towing vessel
B. increase the stability of the towing vessel by raising the hawser off the deck
C. reduce chafing of the towing hawser
D. prevent fouling of the hawser on deck gear located on the stern of the towing vessel
[单项选择]Which statement concerning an automatic towing engine is FALSE? （）
A. It automatically maintains tow line tension
B. It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in
C. As tension on the hawser increases，more line is taken in by the automatic towing engine
D. As tension on the hawser decreases，more line is taken in by the automatic towing engine
[单项选择]Which statement is TRUE concerning hawser towing? （）
A. The catenary in a hawser should be sufficient so that the hawser just touches the bottom
B. The hawser is of sufficient length for towing when taut between tug and tow
C. Increasing speed usually increases the catenary in the hawser
D. Shortening the tow hawser generally decreases the maneuverability of the tug
[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]How can vessel personnel detect the operation of a SART in its vicinity?（）
A. A unique radar signal consisting of a blip code radiating outward from a SART's position along its line of bearing
B. A unique two tone "warbling" signal heard on VHF-FM ch-70
C. A unique two tone alarm signal heard upon the automatic unmuting of the 2182 kHz radiotelephone automatic watch receiver
D. The SART signal appears as a target which comes and goes; the effect of heavy swells on the SART
[单项选择]A vessel，which does not normally engage in towing operations，is towing a vessel in distress.She（）.
A. need not show the lights for a vessel engaged in towing，if it is impractical to do so
B. may show the lights for a vessel not under command
C. must show a yellow light above the stern light
D. must show the lights for a vessel towing
[单项选择]When loading a container vessel，the operation is basically that of vertical loading. The important factors to be considered when loading containers are port of discharge，（）.
A. available dunnage，and chocking
B. crushability，and inherent vice
C. sweat，and weight
D. weight，and refrigeration
