海船船员考试
单选题The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?（）A A fusible link will automatically open after a fire is extinguished and reset the damperB Fusible links must be replaced at every inspection f
题目
A fusible link will automatically open after a fire is extinguished and reset the damper
Fusible links must be replaced at every inspection for certification
Fusible links are tested by applying a source of heat to them
Fusible links must be replaced if a damper is activated
相似问题和答案
第1题：
Your vessel has a gasoline engine and a mechanical exhaust ventilation system．BEFORE starting the engine，the exhaust blower should be run long enough to ______．
A.warm up the exhaust blower motor
B.provide a proper supply of fresh air for the engine（s）
C.see the system is in good operating condition
D.insure at least one complete change of air in the compartments concerned
第2题：
A fire in the galley ALWAYS poses the additional threat of ______.
A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.causing loss of stability
D.a grease fire in the ventilation system
厨房着火总是会对通风系统的油脂着火产生额外的威胁。
第3题：
Fire dampers prevent the fire spreading through the process of
A.convection
B.conduction
C.radiation
D.direct contact
第4题：
conduction
convection
radiation
windage
第5题：
Convection spreads a fire by ______.
A.heated gases flowing through ventilation systems
B.the transfer of heat across an unobstructed space
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ship’s metal
火灾的对流蔓延由热的气体经过通风系统来完成。
第6题：
Fire protection regulations for towing vessels require all crew members to know how to perform each of these tasks EXCEPT ______．
A.Start the mechanical ventilation system for the engine room
B.Operate the fuel shut-off for the engine room
C.Operate all fire extinguishing equipment aboard the vessel on board the vessel，including starting the fire pump
D.All of the above
第7题：
A galley grease fire on the stove may be extinguished using______．
A.water
B.foam
C.the range hood extinguishing system
D.fire dampers
发生在炉上的厨房油火可使用有作用距离的灭火系统扑灭。
第8题：
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
第9题：
Fighting a fire in the galley poses the additional threat of ______.
A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.loss of stability
D.a grease fire in the ventilation system
在厨房灭火，可能会对通风系统中的残油起火形成额外的威胁。[733
第10题：
convection
conduction
radiation
direct contact