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航海英語消防演習與作業(yè)單項選擇題每日一練(2019.01.16)

單項選擇題
High-velocity fog（）.
A.is a finer，more diffuse water spray than low-velocity fog
B.requires that the water pressure be no greater than 60 psi
C.produces an effective fog pattern no more than 6 feet beyond the nozzle
D.extinguishes a fire by absorbing heat and reducing the supply of oxygen
單項選擇題
A safety outlet is provided on the CO2 discharge piping to prevent（）.
A.over pressurization of the space being flooded
B.rupture of cylinder due to temperature increase
C.over pressurization of the CO₂ discharge piping
D.flooding of a space where personnel are present
單項選擇題
Fixed CO2 systems would not be used on crew’s quarters or（）.
A.the paint locker
B.spaces open to the atmosphere
C.cargo holds
D.the engine room
單項選擇題
Automatic mechanical ventilation shutdown is required for CO2 systems protecting the（）.
A.machinery spaces
B.cargo compartments
C.living quarters
D.galley
單項選擇題
Actuating the CO2 fixed system causes the shutdown of the（）.
A.fuel supply
B.exhaust ventilation
C.supply and exhaust ventilation
D.mechanical and natural ventilation

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