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
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 damper
B
Fusible links must be replaced at every inspection for certification
C
Fusible links are tested by applying a source of heat to them
D
Fusible links must be replaced if a damper is activated
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Fire dampers prevent the fire spreading through the process ofA.convectionB.conductionC.radiationD.direct contact
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
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