2017-11-30
3111
1) to apply A) to put out
2) agent B) to aggravate
3) very C) ingredient
4) various D) extinction
5) to extinguish E) appliance
6) part F) to involve
7) equipment G) to use
8) to intensify H) different
9) to include I) medium
10) extinguishment J) extremely
B) Match the words with opposite meanings.
1) solid A) liquid
2) to compose B ignition
3) dead C) to exclude
4) extinction D) live
5) to include E) to heat
6) different F) to decompose
7) to aggravate G) wet
8) dry H) to improve
9) to cool I) safe
10) dangerous j) the same
Match the words to the definitions.
1) foam A) a very small drops of liquids that are sent through air
2) powder B) covering something completely with a thick layer
3) nozzle C) a narrow piece at the end of a hose, pipe
4) jet D) any dry substance in the form of fine, dustlike particles
5) spray E) a strong narrow stream of liquid
6) blanketing F) the grey or black powder that is left after something
has burnt
7) live G) mass of very small air bubbles on the surface of a liquid
8) ash H) a substance that flows freely, e.g. water or oil
9) liquid I) a substance or an object that is hard or firm
10) solid J) connected to a source of electrical pow
Insert the preposition where necessary.
of (x8), in(x4), with (x4), inside, from(x2), to(x3), for(x4), into(x2), up(x2), on, instead of, by, after
FIRE EXTINGUSHER
The body __ the extinguisher consist __ a high – pressure steel bottle, tested __ pressure __ 225 kg/sq. sm. __ its top the bottle is provided __ a valve __ a ring. __ the bottle there is a siphon pipe. __ the valve __ the outlet a rubber hose leads, ending __ a nozzle and a tapering outlet tube. A handle __ holding the extinguisher and a safety-device built __ the valve make __ the whole extinguisher. Smaller extinguishers are provided __ a hanger, the larger ones have a flange (base) pressed __ the bottom part __ placing the extinguisher __ the ground. The automobile-type extinguishers have __ __
the hose, a stiff metal tube __ a nozzle __ an outlet tube fixed __ the valve body __ means __ a joint.
The capacity __ the extinguishers is __ 1.5 kg (automobile-type extinguishers) __ 6 kg __ liquid carbon dioxide. If the extinguisher contains
__ more than 80 % __ its charge, it can be used further __ sealing. If more than 20 % __ the initial filling have been discharged, the extinguisher must be filled __.
