The purpose of air tanks in a lifeboat is to ______．A.Make the boat float higherB.Provide a stowage place for provisionsC.Add strength to the boatD.Keep the boat afloat if flooded
The purpose of air tanks in a lifeboat is to ______．
A.Make the boat float higher
B.Provide a stowage place for provisions
C.Add strength to the boat
D.Keep the boat afloat if flooded
相关考题：
Motor-propelled lifeboats are required to be fitted with which of the following?______.A.Compartments for the storage of canned drinking waterB.Ballast tanks to prevent the boat from capsizingC.An air starter on the diesel engineD.Auxiliary mechanical propulsion ( Fleming gear )
______ of the following statements is INCORRECT regarding a fire and boat drill on board your cargo vessel.A.At least one fire and boat drill shall be held within 24 hours of leaving a port where more than 25 percent of the crew has been replacedB.The Master is responsible in seeing that each lifeboat is lowered to the water at least once in each 6 months．C.Lifeboat equipment shall be examined at least once each month to insure that it is completeD.An entry shall be made in the vessel's Official Logbook relative to each fire and boat drill
What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill?A.Which survival craft was used in the drillB.The number of each lifeboat not lowered during each drillC.Only the number of each motor propelled lifeboat that is loweredD.The length of time an oar propelled lifeboat is rowed
Frapping lines ______．A.secure the lifeboat in the davits when in the stowed positionB.bring the lifeboat close alongside the rail in the embarkation positionC.give the occupants a safety line when the boat is being lowered from the embarkation levelD.reduce the swinging of the lifeboat at the embarkation level
What is the purpose of limber holes ________．A.To allow for air circulationB.To allow for stress and strain in rough watersC.To allow water in the boat to drain overboardD.To allow water in the bilge to get to the boat drain
The lifeboat releasing gear lever should be marked with the words ______．A.DANGER，DO NOT TOUCHB.DANGER，BOAT MAY DROPC.DANGER，LEVER RELEASES BOATD.DANGER，LEVER DROPS BOAT
Frapping lines are fitted to lifeboat davits to ______.A.secure the lifeboat in the davits when in the stowed positionB.bring the life boat close along the rail in the embarkation positionC.give the occupants a safety line when the boat is being lowered from the embarkation levelD.reduce the swinging of the lifeboat at the embarkation level
In launching a lifeboat, when should the tricing pendants be released?______.A.Before the boat is lowered from the stowage positionB.As soon as the boat-fall blocks clear the davit headC.After the limit switch is activatedD.After all people have been embarked
救生艇置放在于艇甲板。（）A、Lifeboat is located on the boat deck.B、Lifeboat is located on the main deck.C、Life craft is located on the boat deck.D、Lifeboat is located on the lower deck.
单选题On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.Athe painterBthe after boat fall only if the boat is waterborneCboth falls at the same time only if the boat is waterborneDboth falls at the same time even if the boat has not reached the water
单选题Your vessel is equipped with totally enclosed lifeboats. Which statement is true when the boat is enveloped in flames?（）.AThe ventilators will automatically close by the action of fusible linksBThe motor takes its air supply from outside the lifeboat to prevent asphyxiation of the crewCA water spray system to cool the outside of the boat is operated by a high-volume manual pumpDAn air tank will provide about ten minutes of air for the survivors and the engine
单选题In an open lifeboat，the lifeboat compass is usually（）.Aplaced in a fixed bracket when being usedBclamped to any position convenient for the coxswain to see itCpermanently mounted on the lifeboat's centerlineDmounted in the center of the boat to eliminate deviation
单选题In launching a lifeboat，when should the tricing pendants be released?（）.ABefore the boat is lowered from the stowage positionBAs soon as the boat-fall blocks clear the davit headCAfter the limit switch is activatedDAfter all people have been embarked
单选题When launching a lifeboat，the tricing pennants should be released（）.Abefore the boat is lowered from the stowed positionBas the boat-fall blocks break clear of the davit headCbefore the boat is lowered from the embarkation levelDafter the boat is released into the water
单选题In order for the automatic lifeboat drain to operate properly（）.Athe cap should be removed to drain the boat when it is waterborneBthe cage must be free of rubbish or the ball may not seat properlyCthere is an automatic ball check located in a siphon tubeDthe small lever to release the rubber ball float must be turned counterclockwise
单选题The steering oar in a lifeboat is（）.Ashorter than the othersBused for the stroke oarCused by the forward man in the boat to direct the bowDlonger than the others and should be lashed to the stern
单选题What must the Master or person in charge of a ship enter in the logbook after conducting a boat drill? （）AWhich survival craft was used in the drillBThe number of each lifeboat not lowered during each drillCOnly the number of each motor propelled lifeboat that is loweredDThe length of time an oar propelled lifeboat is rowed
单选题Preventer bars are fitted on lifeboat releasing hooks to prevent（）.Athe falls from unhooking if the releasing gear is operated accidentally while the boat is being loweredBoperation of the release lever until the boat is waterborneCthe falls from rehooking after they have been releasedDaccidental unhooking when the falls become slack
单选题Frapping lines are fitted to lifeboat davits to（）.Asecure the lifeboat in the davits when in the stowed positionBbring the lifeboat close along the rail in the embarkation positionCgive the occupants a safety line when the boat is being lowered from the embarkation levelDreduce the swinging of the lifeboat at the embarkation level
单选题Frapping lines（）.Asecure the lifeboat in the davits when in the stowed positionBbring the lifeboat close alongside the rail in the embarkation positionCgive the occupants a safety line when the boat is being lowered from the embarkation levelDreduce the swinging of the lifeboat at the embarkation level
单选题What is NOT a function of the air supply of a covered lifeboat?（）AProvides air for engine combustionBPressurizes water spray systemCProvides air for passenger respirationDPrevents smoke and other noxious fumes from entering craft
单选题The minimum length of a boat painter for a lifeboat in ocean service is（）.A60 fathomsBthe distance from the main deck to the light waterlineCtwice the distance from the main deck to the light waterline or 50 feet whichever is greaterDtwo times the distance from the boat deck to the light waterline or 50 feet whichever is greater
单选题Lifeboat hatchets should be（）.Akept in a lockerBsecured at each end of the boat with a lanyardCkept next to the boat coxswainDkept in the emergency locker on the ship and brought to the lifeboat when needed
单选题Number 3 lifeboat would be（）.Athe forward boat on the starboard sideBbehind boat number 1 on the port sideCbehind boat number 1 on the starboard sideDbehind boat number 2 on the port side
单选题The lifeboat releasing gear lever should be marked with the words（）.ADANGER，DO NOT TOUCHBDANGER，BOAT MAY DROPCDANGER，LEVER RELEASES BOATDDANGER，LEVER DROPS BOAT
单选题When launching a lifeboat in the rough sea, the davit gears should be released（）.Abefore the boat is lowered from the stowed positionBas the boat fall blocks break clear of the davit headCbefore the boat is lowered from the embarkation levelDafter the boat is released into the water
单选题After conducting an abandonment drill，the Master or person in charge of a ship shall log（）.Athe names of crew members who participated in the drillBthe length of time that each motor propelled lifeboat was operated in the drillCthe length of time the lifeboat was in the waterDthe time it took to lower the boat