單項(xiàng)選擇題

After extinguishing a fire with CO₂，it is advisable to（）.

A.use all CO₂ available to cool the surrounding area
B.stand by with water or other agents
C.thoroughly ventilate the space of CO₂
D.jettison all burning materials

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單項(xiàng)選擇題

According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）

A.Electrical cut off switch
B.A fusible link
C.Manual cut off switch
D.A water spray actuator

單項(xiàng)選擇題

A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）

A.The aluminum will provide greater resistance to the spread of fire by conduction
B.The aluminum structure is usually attached to a steel coaming by a method that insulates the two metals
C.If the superstructure is stressed，an aluminum structure requires additional expansion joints to prevent fracture
D.The steel at the area of the aluminum-to-steel connection must be closely checked for galvanic corrosion

After extinguishing a fire with CO2，it is advisable to（）.

你可能感興趣的試題

According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）

A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）

After extinguishing a fire with CO₂，it is advisable to（）.

According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）