單項(xiàng)選擇題A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.

A.a low velocity spray applicator
B.a water spray or solid stream
C.at least two spray patterns of water
D.at least 25 psi delivered pressure


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should（）.

A.remain on course and hold speed
B.change course and put the stern to the wind
C.change course to put the wind on either beam and increase speed
D.remain on course but slack the speed

2.單項(xiàng)選擇題A fire in electrical equipment should be extinguished by using（）.

A.salt water
B.foam
C.low-velocity fog
D.CO2

3.單項(xiàng)選擇題A fire in a ballast pumproom can be brought under control with minimal impact on stability by（）.

A.cooling the outside bulkheads with water
B.shutting all sources of air into the compartment
C.closing the sea chest
D.flooding the compartment with salt water

4.單項(xiàng)選擇題A fire hose has a（）.

A.male coupling at both ends
B.female coupling at both ends
C.female coupling at the nozzle end and a male coupling at the hydrant end
D.male coupling at the nozzle end and a female coupling at the hydrant end

5.單項(xiàng)選擇題A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind（）.

A.blows the fire back toward the vessel
B.comes over the bow
C.comes over the stern
D.comes over either beam