單項(xiàng)選擇題Which item may be substituted for,in the fireman’s outfit,on a cargo vessel?()

A.fire ax
B.flashlight
C.rigid helmet
D.flame safety lamp


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1.單項(xiàng)選擇題Which extinguishing agent will cool down a heated bulkhead in the least amount of time?()

A.Water stream
B.Water fog or apray
C.Steam
D.Dry chemical

2.單項(xiàng)選擇題When loading or discharging dry mud or cement,crew members should use goggles and().

A.facial respirator mask
B.ear plugs
C.rubberized boots
D.fireman's outfit

3.單項(xiàng)選擇題When collecting condensation for drinking water,().

A.a sponge used to mop up and store condensation must be kept salt free
B.only condensation on the bottom of the canopy should be collected
C.it should be strained through a finely woven cloth
D.chlorine tablets should be used to make it drinkable

4.單項(xiàng)選擇題When choosing extinguishers to fight a Class “B” fire do NOT use().

A.carbon dioxide
B.dry chemical
C.foam (stored-pressure type)
D.water (cartridge-operated)

5.單項(xiàng)選擇題What should be used to steer an open lifeboat if the rudder becomes lost or damaged?()

A.Sea anchor
B.Steering oar
C.Spare rudder
D.Daggerboard

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“15 02 41 Semi Double Queen 195 332mm”is a description of().

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