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
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 seconds
B.a 4-second blast every 20 seconds
C.an 8-second blast every 30 seconds
D.a 10-second blast every 30 seconds
相关考题：
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
A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?A.When the towing vessel enters the fogB.When the drilling rig enters the fogC.When the towing vessel can no longer be seen from the rigD.Immediately
A mobile offshore drilling unit will show the day-shape in DIAGRAM 10 to indicate that it is ______.A.at anchorB.being towedC.agroundD.drilling
A report of casualty to a mobile offshore drilling unit must be made in writing to which office?A.Commandant of the Coast GuardB.Owner of the unitC.Nearest Coast Guard Marine Safety OfficeD.Captain of the nearest port
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
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
In the case of an injury causing a person to be incapacitated，the Master or person in charge of a mobile offshore drilling unit must submit a report to the ______.A.nearest Marine Safety or Marine Inspection OfficeB.nearest hospitalC.Department of EnergyD.American Bureau of Shipping
An offshore drilling unit must be equipped with a first aid kit approved by the ______.A.Coast GuardB.American Bureau of ShippingC.Minerals Management ServiceD.Mine Safety and Health Administration
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
What is true regarding subqueries?（）A、The inner query always sorts the results of the outer queryB、The outer query always sorts the results of the inner queryC、The outer query must return a value to the outer queryD、The inner query returns a value to the outer queryE、The inner query must always return a value or the outer query will give an error
单选题A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? （）AWhen the towing vessel enters the fogBWhen the drilling rig enters the fogCWhen the towing vessel can no longer be seen from the rigDImmediately
单选题Each emergency generator on a mobile offshore drilling unit，when tested，must be run under a full load for at least（）.Aone hourBtwo hoursCten hoursDfour hours
单选题Guide tolerances during elevation of the jack-up rig will（）.Areduce spud can bearing pressureBkeep the unit level and reduce overloadingCreduce stresses on the hullDminimize the potential for punch-through
单选题Forces within a drilling unit have caused a difference between the starboard and port drafts. This difference is（）.AlistBheelCtrimDflotation
单选题Under the regulations implementing MARPOL, a mobile offshore drilling unit is required to have an International Oil Pollution Prevention (IOPP) certificate when the unit （）.Ais drilling on the Outer Continental ShelfBmoves to a new drilling location in U-SwatersCengages in a voyage to a port of another country which is a party of MARPOLDAll of the above
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（）.Aunder towBfixed to the seabedCunderwayDAll of the above
单选题What is true regarding subqueries?（）AThe inner query always sorts the results of the outer queryBThe outer query always sorts the results of the inner queryCThe outer query must return a value to the outer queryDThe inner query returns a value to the outer queryEThe inner query must always return a value or the outer query will give an error
判断题Beyond the year of 2009, no country may claim to exploit any continental shelf under the 1982 Law of the Sea.A对B错
单选题In the case of an injury causing a person to be incapacitated，the Master or person in charge of a mobile offshore drilling unit must submit a report to the（）.Anearest Marine Safety or Marine Inspection OfficeBnearest hospitalCDepartment of EnergyDAmerican Bureau of Shipping
单选题A report of casualty to a mobile offshore drilling unit must include （）.Athe estimated cost of damage to the unitBan evaluation of who was at faultCthe amount of ballast on boardDthe name of the owner or agent of the unit
单选题An offshore drilling unit must be equipped with a first aid kit approved by the（）.ACoast GuardBAmerican Bureau of ShippingCMinerals Management ServiceDMine Safety and Health Administration
单选题Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the（）.Alanding area and sources of vapor ignitionBmain deckCengine roomDdrill floor
单选题A jack-up drilling rig being towed must（）.Aturn off all lights that interfere with the navigation lightsBturn on all available working lights on deckCring the bell rapidly for five seconds once a minuteDdisplay two black diamonds in a vertical line during the day
单选题Particular care is needed when navigating in the vicinity of（）as very few of these features have been fully surveyed to modern standards to determine their correct position，full extent，or the least depth over them.ASW of Cocos IslandsBoceanic dangers or seamountsCundiscovered dangersDthe continental shelf
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? （）ACOLREGSBMMS RulesCSOLAS ConventionDCoast Pilot