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A jack-up drilling rig being towed must ______.
A.turn off all lights that interfere with the navigation lights
B.turn on all available working lights on deck
C.ring the bell rapidly for five seconds once a minute
D.display two black diamonds in a vertical line during the day
参考答案
更多 “ A jack-up drilling rig being towed must ______.A.turn off all lights that interfere with the navigation lightsB.turn on all available working lights on deckC.ring the bell rapidly for five seconds once a minuteD.display two black diamonds in a vertical line during the day ” 相关考题
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Navigation lights must be displayed in all weathers from sunset to sunrise. They also _____.A.must be displayed when day signals are being usedB.must be displayed when moored to a pierC.may be extingushed at night on open waters when no other vessels are in the areaD.may be displayed during daylight
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A mobile offshore drilling unit must display obstruction lights when it is on the waters over the Outer Continental Shelf and is ______.A.under towB.fixed to the seabedC.underwayD.All of the above
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Which vessel may show three lights in a vertical line，the top and bottom being red and the middle being white?A.A vessel engaged in diving operationsB.A pilot vesselC.A vessel trawlingD.All of the above
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A jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound ______.A.a 2-second blast every 20 secondsB.a 4-second blast every 20 secondsC.an 8-second blast every 30 secondsD.a 10-second blast every 30 seconds
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A partly submerged vessel or object being towed，which is not readily noticeable，shall show ______.A.yellow lights at each endB.two red lights in a vertical lineC.a black ballD.a diamond shape
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When cargo aboard a jack-up in transit becomes adrift，the tow vessel should be asked to ______.A.turn into the seasB.turn to be parallel to the seasC.reduce speedD.increase speed
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When a marine surveyor is employed to assist in the move of a mobile offshore drilling unit，he ______.A.becomes responsible for the safe movement of the rigB.relieves the Offshore Installation Manager at the moment the rig is free from the bottomC.must be designated as the person in charge of the rigD.is a specialist who is hired to provide advice and guidance on aspects of the move
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Where will you find the requirements for the signals that must be sounded by a mobile offshore drilling unit that is being towed through an area of restricted visibility?A.COLREGSB.MMS RulesC.SOLAS ConventionD.Coast Pilot
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A vessel or object being towed astern shall display a(n) ______.A.forward masthead lightB.after masthead lightC.stern lightD.All of the above
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单选题You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation（）.A
The vessel must carry only the lights that comply with the rules; the others may be omittedB
The vessel's lights must comply as closely as possible，as determined by her governmentC
The vessel must be altered to permit full compliance with the rulesD
An all-round light should be substituted for the after masthead light and the stern light
考题
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 commandB
sailing vesselC
vessel being towed (manned)D
vessel being towed (unmanned)
考题
单选题Guide tolerances during elevation of the jack-up rig will（）.A
reduce spud can bearing pressureB
keep the unit level and reduce overloadingC
reduce stresses on the hullD
minimize the potential for punch-through
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单选题A single vessel being towed alongside shall exhibit（）.A
one all-round white lightB
sidelights and a stern lightC
only the outboard sidelight and a stern lightD
a masthead light，sidelights，and a stern light
考题
单选题A mobile offshore drilling unit must display obstruction lights when it is on the waters over the Outer Continental Shelf and is（）.A
under towB
fixed to the seabedC
underwayD
All of the above
考题
单选题A single vessel being towed alongside shall exhibit（）.A
one all-round white lightB
sidelights and a sternlightC
only the outboard sidelight and a sternlightD
a masthead light，sidelights，and a sternlight
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单选题The suggested plan was to _____.A
turn off the lights in factories and schoolsB
observe a few minutes of total silenceC
dim all electric lightsD
shut off all electricity for a short time
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单选题To determine what navigation lights and day-shapes must be displayed on mobile offshore drilling units under tow，you should check the（）.A
American Bureau of Shipping classification rulesB
International Regulations for Preventing Collisions at SeaC
Safety of Life at Sea ConventionD
Minerals Management Service rules
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单选题An inconspicuous，partly submerged vessel or object being towed，where the length of tow is 100 meters，shall show（）.A
yellow lights at each endB
two red lights in a vertical lineC
a black ballD
a diamond shape
考题
单选题A partly submerged vessel or object being towed，which is not readily noticeable，shall show （） .A
yellow lights at each endB
two red lights in a vertical lineC
a black ballD
a diamond shape
考题
单选题A jack-up drilling rig being towed must（）.A
turn off all lights that interfere with the navigation lightsB
turn on all available working lights on deckC
ring the bell rapidly for five seconds once a minuteD
display two black diamonds in a vertical line during the day
考题
单选题The International Regulations for Preventing Collisions at Sea contain the requirements for （）.A
lights that must be displayed on anchor buoysB
the display of load line markingsC
minimum horsepower for tugs involved in rig movesD
lighting of mobile offshore drilling units being towed
考题
单选题A vessel being towed astern shall show at night（）.A
the lights required for a power-driven vessel underwayB
only the required masthead lightsC
a sternlight onlyD
sidelights and a sternlight
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单选题Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.A
only when fully loadedB
if one or more tanks are fullC
when transferring cargoD
only when the barge is being towed
考题
单选题Navigation lights must be displayed in all weathers from sunset to sunrise. They also（）.A
must be displayed when day signals are being usedB
must be displayed when moored to a pierC
may be extinguished at night on open waters when no other vessels are in the areaD
may be displayed during daylight
考题
单选题Where will you find the requirements for the signals that must be sounded by a mobile offshore drilling unit that is being towed through an area of restricted visibility? （）A
COLREGSB
MMS RulesC
SOLAS ConventionD
Coast Pilot
考题
单选题A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.A
during the day，three balls in a vertical lineB
during the day，three shapes，the highest and lowest being balls and the middle being a diamondC
when making way at night，two all-round red lights，sidelights，and a sternlightD
when making way at night，masthead lights，sidelights，and a sternlight
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