A towing vessel’s capability is BEST measured by horsepower,bollard pull,maneuverability and()
A.displacement
B.stability
C.towrope pull
D.propeller desig
- · 有4位网友选择 C,占比50%
- · 有3位网友选择 B,占比37.5%
- · 有1位网友选择 D,占比12.5%
A.displacement
B.stability
C.towrope pull
D.propeller desig
A.displacement
B. stability
C. towrope pull
D. propeller desig
If practical, when shall a manned vessel being towed sound her fog signal?______.
A.Immediately before the towing vessel sounds hers
B.Immediately after the towing vessel sounds hers.
C.As close to the mid-cycle of the towing vessel’s signals as possible
D.At any time as long as the interval is correct
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
For safety reasons,when assistance towing ______.
A.the disabled vessel should be towed to the nearest port
B.the disabled vessel should be inspected for flammable gases
C.passengers should always be removed from the disabled vessel
D.personnel on the disabled vessel should don PFD's
While underway and towing an unmanned tank barge you are required to ______.
A.maintain a strict watch on the barge from the towing vessel
B.fly a red flag from the towing vessel
C.open the tops of all empty tanks on the barge
D.take hourly soundings of any loaded tanks on the barge
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
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
A.directly astern and pushing the tow
B.towing on a hawser
C.towing alongside and parallel to the vessel it is towing
D.towing on the hip
B.在使用其它工具时,按字母T可切换为TouchUp对象工具
C.文本框工具创建的文本框,可用TouchUp对象工具选中
D.如果当前工具为选框缩放工具,按住Shift键可临时切换到“缩小”工具
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