The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?A.Fusible links must be replaced if a damper is activatedB.Fusible links are tested by applying a source of heat to themC.Fusible links must be replaced at every inspection for certificationD.A fusible link will automatically open after a fire is extinguished and reset the damper
The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
A.Fusible links must be replaced if a damper is activated
B.Fusible links are tested by applying a source of heat to them
C.Fusible links must be replaced at every inspection for certification
D.A fusible link will automatically open after a fire is extinguished and reset the damper
相关考题：
Fire dampers prevent the fire spreading through the process ofA.convectionB.conductionC.radiationD.direct contact
A fire in the galley ALWAYS poses the additional threat of ______.A.contaminating food with extinguishing agentB.spreading through the engineering spaceC.causing loss of stabilityD.a grease fire in the ventilation system
Convection spreads a fire by ______.A.heated gases flowing through ventilation systemsB.the transfer of heat across an unobstructed spaceC.burning liquids flowing into another spaceD.transmitting the heat of a fire through the ship’s metal
Fighting a fire in the galley poses the additional threat of ______.A.contaminating food with extinguishing agentB.spreading through the engineering spaceC.loss of stabilityD.a grease fire in the ventilation system
单选题The spreading of fire as a result of heat being carried through a vessels ventilation system, is an example of heat transfer by （）.AconductionBconvectionCradiationDwindage
单选题The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）AA fusible link will automatically open after a fire is extinguished and reset the damperBFusible links must be replaced at every inspection for certificationCFusible links are tested by applying a source of heat to themDFusible links must be replaced if a damper is activated
单选题Fire dampers prevent the fire spreading through the process of （）.AconvectionBconductionCradiationDdirect contact
单选题Convection spreads a fire by（）.Aheated gases flowing through ventilation systemsBthe transfer of heat across an unobstructed spaceCburning liquids flowing into another spaceDtransmitting the heat of a fire through the ship's metal
单选题Fusible-link fire dampers are operated by（）.Aa break-glass and pull-cable systemBelectrical controls on the bridgeCa mechanical arm outside the vent ductDthe heat of a fire melting the link
单选题Fighting a fire in the galley poses the additional threat of（）.Acontaminating food with extinguishing agentBspreading through the engineering spaceCloss of stabilityDa grease fire in the ventilation system
单选题A fire in the galley always poses the additional threat of（）.Acontaminating food with extinguishing agentBshutting all sources of air into the compartmentCclosing the sea chestDa grease fire in the ventilation system
单选题A fire in the galley ALWAYS poses the additional threat of（）.Acontaminating food with extinguishing agentBspreading through the engineering spaceCcausing loss of stabilityDa grease fire in the ventilation system
单选题Fusible-link fire dampers are operated by（）.A8the heat of a fire melting the linkBa break-glass and pull-cable systemCelectrical controls on the bridgeDa mechanical arm outside the vent duct
单选题Automatic fire dampers in ventilation systems are operated by use of（）.Aremotely operated valvesBfusible linksCC02 system pressure switchesDheat or smoke detectors
单选题Automatic fire dampers in ventilation systems are operated by a（）.Aremote operated valveBfusible linkCCO2 system pressure switchDheat or smoke detector
单选题Ventilation systems connected to a compartment in which a fire is burning are normally closed to prevent the rapid spread of the fire by（）.AconvectionBconductionCradiationDspontaneous combustion
单选题The blocking or absence of fire dampers can cause（）.Athe accumulation of explosive gasesBfaster cooling of the fireCthe fire to spread through the ventilation systemDfixed foam systems to be ineffective
单选题Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?（）AThe fire pump should be startedBThe boiler rims should be securedCThe fixed CO2 system should be initiated into actionDThe engine room ventilation should be secured
单选题Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）.AUse the C02 system and evacuate the engine roomBUse the fire main system and evacuate the engine roomCEvacuate the engine room and use the C02 systemDEvacuate the engine room and use the fire main system
单选题There is a fire in the crew’s quarters of your vessel. You should（）.Aventilate the quarters as much as possibleBprepare to abandon shipCclose all ventilation to the quarters if possibleDattempt to put the fire out yourself before sounding the alarm
单选题Which space(s) on your cargo vessel must have a fire detection system?（）AAny compartment containing explosivesBAny compartment adjacent to one containing explosivesCEnclosed spaces which are specially suitable for vehiclesDAll of the above
单选题Fire dampers prevent the spread of fire by（）.AconvectionBconductionCradiationDdirect contact
单选题Which of the actions listed should be taken by the engineer on watch when the general alarm is sounded continuously for 10 seconds?（）AEngine room ventilation should be startedBMain engines should be securedCThe fire pump should be startedDThe fixed CO2 system should be activated
单选题A branch line valve of a fire extinguishing system on a ship must be marked with the（）.Amaximum pressure allowed at that branchBname of the space or spaces which it servesCdate of the last maintenance inspectionDpressure needed to maintain an effective stream at that point
单选题Radiation can spread a fire by （）.Atransmitting the heat of a fire through the ship s metalBburning liquids flowing into another spaceCheated gases flowing through ventilation systemsDthe transfer of heat across an unobstructed space
单选题Blocking open or removing fire dampers can cause（）.Afixed foam systems to be ineffectiveBfaster cooling of the fireCthe accumulation of explosive gasesDthe fire to spread through the ventilation system
单选题Radiation spreads a fire by（）.Atransferring heat across an unobstructed spaceBheated gases flowing through ventilation systemsCburning liquids flowing into another spaceDtransmitting the heat of a fire through the ship's metal