Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?A.Each vent for the tank must be equal to the area of the tank filling lineB.The tanks must be protected by overflowsC.The total area of the vents or the overflow shall be at least equal to the area of the fill lineD.There must be twice as much vent area as the area of the fill line
Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?
A.Each vent for the tank must be equal to the area of the tank filling line
B.The tanks must be protected by overflows
C.The total area of the vents or the overflow shall be at least equal to the area of the fill line
D.There must be twice as much vent area as the area of the fill line
相关考题：
Which statement(s) is/are TRUE concerning crane cargo operations?A.Do not exceed rated load capacity of crane and container spreader or slingsB.During any cargo handling operation，the safety of personnel is paramountC.Cargo handlers must be outfitted with adequate protection from personal injuryD.All the above
Which statement concerning sweat damage in containers is TRUE ________．A.Sweat damage in containers is unusual due to the small enclosed volume of airB.In general，containerized hygroscopic cargoes are the only ones subject to sweat damageC.Containers should be ventilated，dehumidified，or the contents physically protected against sweat damageD.Sweat damage is not a problem except in insulated and refrigerated containers
Which statement is TRUE concerning the flash point of a substance ________．A.It is lower than the ignition temperatureB.It is the temperature at which a substance will spontaneously igniteC.It is the temperature at which a substance，when ignited，will continue to burnD.It is the temperature at which the released vapors will fall within the explosive range
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited ________．A.It is required on all vesselsB.It may be located in a conspicuous place in the wheelhouseC.It may be located at the bilge and ballast pump control stationD.All of the above
Which statement is TRUE concerning insulating flanges ________．A.They should be inspected and tested periodically to ensure that the insulation is clean and in good conditionB.Switching off a cathodic protection system may be substituted for using an insulating flangeC.The measured resistance value after installation should be less than 1，000 ohmsD.After the insulating flange is installed，hot work may be performed on deck
水泥涂料用于淡水舱和双层底舱。（）A、Primer is used for sea water tanks and double bottom tanks.B、Cement wash is used for fresh water tanks and double bottom tanks.C、Varnish is used for fresh water tanks and double bottom tanks.D、Bitumen is used for fresh water tanks and double bottom tanks.
Which statement is true about the Cisco Self-Defending Network?（）A、The Cisco Self-Defending Network defines the physical position of the firewall to protect against internal and external attacksB、The Cisco Self-Defending Network Provides static filtering against known and unknown internal and external attacksC、The Cisco Self-defending Network Provides dynamic protection against known and unknown internal and external attacksD、The Cisco Self-defending Network Provides the Elements to install the antivirus software on the End-User Workstation
沥青用于污水舱和尖舱。（）A、Bitumen is used in bilges and peak tanks.B、Paint is used in bilges and peak tanks.C、Bitumen is used in bilges and double bottom tanksD、. Varnish is used in bilges and peak tanks.
单选题In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.Aa service tankBa settling tankCan expansion tankDa double bottom tank
单选题To improve your vessel’s stabilty in a hazardous situation, you should（）.Aballast deep tanks if they are slackBtransfer ballast athwarshipsCpump out double bottomsDfill double bottom from deep tanks
单选题Your vessel is damaged，listing to port and on occasion flopping to the same angle to starboard. It has a long，slow，sluggish roll around the angle of list. There is excessive trim by the stern with little freeboard aft. What action should you take?（）.AJettison any off-center topside weights to lower GM and correct the listBPump out any slack after double-bottom tanks to reduce free surface and increase freeboard aftCPump out the after peak and fill the forepeak to change the trimDPress up any slack double-bottom tanks forward of the tipping center，then fill the forepeak if empty
单选题A loaded hopper barge with independent tanks has a placard，with alternating red and white quadrants，on each side and end. Which statement concerning this barge is TRUE?（）AThe cargo will spontaneously ignite if released to the atmosphereBYou must operate this barge as a lead bargeCThe barge should be spotted as far away from the towboat as possibleDThe barge must be in a protected position within the tow
单选题In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.Aa service tankBa collecting tankCa sumpDa settling tank
单选题Which statement is true about the Cisco Self-Defending Network?（）AThe Cisco Self-Defending Network defines the physical position of the firewall to protect against internal and external attacksBThe Cisco Self-Defending Network Provides static filtering against known and unknown internal and external attacksCThe Cisco Self-defending Network Provides dynamic protection against known and unknown internal and external attacksDThe Cisco Self-defending Network Provides the Elements to install the antivirus software on the End-User Workstation
单选题Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is true?（）.AYou must ventilate constantly and vigorously to combat ship sweat A.Press up the slack No.1 starboard double bottom tankBYou should ventilate; there is little danger of ship sweat, but a possibility of cargo sweatCThere is danger of heavy cargo sweat if you ventilateDThere is little danger of any sweat problem
单选题Which statement concerning sweat damage in containers is TRUE?（）.ASweat damage in containers is unusual due to the small enclosed volume of airBIn general，containerized hygroscopic cargoes are the only ones subject to sweat damageCContainers should be ventilated，dehumidified，or the contents physically protected against sweat damageDSweat damage is not a problem except in insulated and refrigerated containers
单选题Which statement(s) is/are TRUE concerning crane cargo operations? （）ADo not exceed rated load capacity of crane and container spreader or slingsBDuring any cargo handling operation，the safety of personnel is paramountCCargo handlers must be outfitted with adequate protection from personal injuryDAll the above
单选题Which statement is TRUE concerning the gooseneck（）.AIt is a sailing maneuver which brings the vessel's head through the windBIt connects the boom to the mast and allows the boom to swing freelyCIt is a sailing condition where there is a loss of air flow over the sailsDNone of the above
单选题Which statement concerning the carriage of containers is TRUE?（）.AThe Chief Mate and Master of a container ship should have the proposed stowage plan ready for the stevedore upon arrival in portBWhen stowed on deck of a break bulk ship，the bottom of the container must be evenly supported throughoutCWith tiered containers，a 40-foot container may be stowed on top of two 20-foot containersDDeck load calculations must take into account the square footage of the entire container bottom
单选题沥青用于污水舱和尖舱。（）ABitumen is used in bilges and peak tanks.BPaint is used in bilges and peak tanks.CBitumen is used in bilges and double bottom tanksD. Varnish is used in bilges and peak tanks.
单选题Which statement pertaining to log keeping is TRUE（）.AEntries relating to pre-voyage，pre-departure and daily tests are requiredBBoth A and CCAll distress，urgent and safety communications must be loggedDRoutine daily MF-HF and INMARSAT-C transmissions do not have to be logged
单选题Which statement is TRUE concerning lifeboat gripes?（）AThey must be released by freeing a safety shackleBThey should not be released until the boat is in lowering positionCThey may be adjusted by a turnbuckleDThey are normally used only with radial davits
单选题In a typical fuel system, the oil is stored in （） in the double bottom.Asetting tanksBservice tanksCtanksDdrain tanks
单选题Which statement concerning Montauk Point Light is TRUE（）.AThe light comes on at sunsetBThere is an emergency light if the main light is extinguishedCThe height of the light is 24 feetDThe tower is painted with black and white stripes
单选题Which statement is TRUE concerning protection of double bottom tanks against excessive pressure? （）AEach vent for the tank must be equal to the area of the tank filling lineBThe tanks must be protected by overflowsCThe total area of the vents or the overflow shall be at least equal to the area of the fill lineDThere must be twice as much vent area as the area of the fill line
单选题Which statement is FALSE concerning precautions during fueling operations?（）AAll engines，motors，fans，etc. should be shut down when fuelingBAll windows，doors，hatches，etc. should be closedCA fire extinguisher should be kept nearbyDFuel tanks should be topped off with no room for expansion
单选题Longitudinal and transverse separtions between the tanks,which are used to prevent liquids from leaking from one double bottom tank into the other ,are called（）.Adouble bottomsBcofferdamCnavigating bridgeDsuperstructure