單項(xiàng)選擇題

Why is it necessary to warn engine room personnel before activating the fixed CO₂ system?（）

A.To make them aware there is a fire
B.To let them know they should leave the engine room
C.To prevent possible injury from frostbite
D.To make them aware that ventilation will automatically stop

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單項(xiàng)選擇題

The lowest temperature at which a liquid gives off enough vapor to ignite in the presence of an ignition source is called its （）.

A.boiling point
B.flash point
C.viscosity point
D.toxic point

單項(xiàng)選擇題

An example of class "A" fire is a/an （）.

A.electrical fire in the engine room
B.oil fire in the engine room bilges
C.oil fire involving a grade "A" petroleum product
D.mattress fire in a stateroom

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Why is it necessary to warn engine room personnel before activating the fixed CO2 system?（）

你可能感興趣的試題

The lowest temperature at which a liquid gives off enough vapor to ignite in the presence of an ignition source is called its （）.

An example of class "A" fire is a/an （）.

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Why is it necessary to warn engine room personnel before activating the fixed CO₂ system?（）