Water is used to put out ()(普通火).
第1题:
Halon extinguishes a fire by ______.
A.breaking the chain reaction
B.smothering the fire
C.cooling the fire
D.coating the fuel with a nonflammable surface
第2题:
Water can put out common fires, such as ().
第3题:
灭火()
第4题:
An electrical fire should be put out by dry powder. ()
第5题:
common fire
electric fire
oil fire
fire
第6题:
raise lube oil viscosity for easier starting in cold weather
increase air inlet temperature
increase compression ratio
increase jacket water temperature for easier starting in cold weather
第7题:
ballast water
boiler water
bilge water
sewage water
第8题:
Class A
Class B
Class C
B+C
第9题:
must connect the bilge well suction directly
should not pump out the water accumulated in the cargos
should not used for emergency drainage in case of ship collision
should connect to the fire fighting system directly
第10题:
secure the fuel manifold
shut off power to the pump
shut off the power ventilation
spray water on the fire
第11题:
take no measures
extinguish the fire as soon as possible
feed water to the boiler
open the blow down valve
第12题:
oil fire
electrical fire
common fire
special fire
第13题:
How does foam extinguish an oil fire ?______.
A.By cooling the oil below the ignition temperature
B.By removing the fuel souce from the fire
C.By excluding the oxygen from the fire
D.By increasing the weight of the oil
第14题:
火()
第15题:
Water is used to put out ().
第16题:
Foam
Solid stream water nozzle
All-purpose nozzle
Carbon dioxide
第17题:
insulate your shoes
ground the fire hose
secure its power supply
start the fire pump
第18题:
secure the electric supply
ventilate area to remove smoke
start the fire pump and lead out hose
apply foam
第19题:
Boiler
Incinerator
Oily water separator
Sewage treatment unit
第20题:
wood,paper
textile
A+B
oil
第21题:
to pump off
being pumped
pumping out
it pumping out
第22题:
电火应该使用干粉扑灭。
木火应该用干粉扑灭。
油火应该用干粉扑灭。
普通火应该用干粉扑灭。
第23题:
(1)
(1)and(2)
(2)
neither(1)nor(2)