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单选题
A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?（）
A
One
B
Two
C
Three
D
Four
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As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in the Official Logbook or other permanent record ______.A.all information contained on the barge's Certificate of InspectionB.the condition of all towing gear to be usedC.all navigational aids to be usedD.the barges load line and draft readings
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There is a ______ when one or more vessels are towing or pushing another vessel or vessels，provided that they are all involved in commercial activities and not in a salvage operation．A.private safetyB.private maritime adventureC.common safetyD.common maritime adventure
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A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of ______．A.A vessel towing by pushing aheadB.A power-driven vessel，not towingC.A barge being pushed aheadD.Either answer A or answer B
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考题
单选题A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of（）.A
a vessel towing by pushing aheadB
a power-driven vessel，not towingC
a barge being pushed aheadD
either answer A or answer B
考题
单选题A tug is best positioned for towing and maneuvering on rivers and other restricted waters where wave action is limited when（）.A
directly astern and pushing the towB
towing on a hawserC
towing alongside and parallel to the vessel it is towingD
towing on the hip
考题
单选题When towing astern，increased catenary will（）.A
increase control of the towB
prevent the towing vessel from going in ironsC
make the towing vessel less maneuverableD
reduce shock stress on the towing hawser
考题
单选题You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters，fuel barges，etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew? （）A
No credentials are required since you operate on inland waters onlyB
Social Security cardC
State driver's license with photo IDD
Merchant Mariner's Document
考题
单选题You see a vessel carrying a black diamond which indicates a（）.A
vessel towing asternB
barge pushed aheadC
vessel towing astern only when the length of her tow exceeds 200 metersD
this signal does not exist in international waters
考题
单选题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 lightB
two masthead lights in a vertical line instead of either the forward or after masthead lightsC
two towing lights in a vertical line at the sternD
a small white light aft of the funnel
考题
单选题A power-driven vessel pushing aheador towing alongside displays navigation lights and（）.A
two all-round red lights in a vertical lineB
two yellow towing lights in a vertical lineC
two white masthead lights in a vertical lineD
two lights on the stern，one yellow and one white
考题
单选题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 shapeB
two cones，apexes togetherC
a black ballD
one cone，apex upward
考题
单选题Two barges are being pushed ahead by a tugboat.Which statement is TRUE concerning lights on the barges（）.A
Each vessel should show sidelightsB
Each vessel should show at least one white lightC
The barges should be lighted as separate unitsD
The barges should be lighted as one vessel
考题
单选题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 soB
may show the lights for a vessel not under commandC
must show a yellow light above the stern lightD
must show the lights for a vessel towing
考题
单选题The Vessel Bridge-to-Bridge Radiotelephone Act applies to which towboat?（）A
A 100 GT towboat，24 feet in lengthB
A 90-foot towboat tied to the pierC
A 60-foot towboat towing by pushing aheadD
A 400 GT towboat anchored
考题
单选题The Vessel Bridge-to-Bridge Radiotelephone Act applies to（）.A
every towing vessel of 16 feet or over in length while navigatingB
every vessel of 50 GT and upward，carrying one or more persons for hireC
all aircraft operating on the waterD
every power-driven vessel of 20 meters and upward while navigating
考题
单选题A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.A
no fog signalB
one short blastC
one prolonged and three short blastsD
one prolonged，one short，and one prolonged blast
考题
单选题A vessel towing where the tow prevents her from changing course shall carry（）.A
only the lights for a vessel towingB
only the lights for a vessel restricted in her ability to maneuverC
the lights for a towing vessel and the lights for a vessel restricted in her ability to maneuverD
the lights for a towing vessel and the lights for a vessel not under command
考题
单选题A towboat has the same draft as the barges it is pushing ahead. If the distance from the stern of the towboat to the head of the tow is 260m，where is the approximate location of the pivot point of the unit?（）A
At the head of the towB
75m from the head of the towC
120m from the head of the towD
180m from the head of the tow
考题
单选题A 20-meter power-driven vessel pushing ahead or towing alongside will display（）.A
a single white light forwardB
two masthead lights in a vertical lineC
two towing lights in a vertical lineD
two all-round red lights where they can best be seen
考题
单选题During the day，a vessel with a tow over 200 meters in length will show（）.A
a black ballB
a diamond shapeC
two cones，apexes togetherD
one cone，apex upward
考题
单选题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 vesselB
the lights for a vessel restricted in her ability to maneuverC
sidelights，stern light，and towing lightD
All of the above
考题
单选题A vessel towing is showing three forward white masthead lights in a vertical line. This means that the length of the（）.A
towing vessel is less than 50 metersB
towing vessel is greater than 50 metersC
tow is less than 200 metersD
tow is greater than 200 meters
考题
单选题As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in the Official Logbook or other permanent record（）.A
all information contained on the barge's Certificate of InspectionB
the condition of all towing gear to be usedC
all navigational aids to be usedD
the barges load line and draft readings
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