A、the "snow" which is sometimes discharged along with the gas is toxic
B、prolonged exposure to high concentrations of C02 gas causes suffocation
C、rapid dissipation of the C02 vapor
D、the C02 gas is lighter than air and a large amount is required to extinguisha fire near the deck
更多“One of the disadvantages of using carbon dioxide to extinguish a fire in an enclosed space is （）.”相关的问题
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top to the bottom
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top
A、one meter from the tank bottom and one meter below the tank top B、one half the ullage of the tank and one meter below the tank top C、one half the ullage of the tank and one meter above the tank bottom D、at three meter intervals from the tank top
A、one-millionth part of a second B、one-thousandth part of a second C、one-hundredth part of a second D、one-tenth part of a second
A、A partial mesh totaling 100: one between the central - site router and each of the 100 branches. B、A full mesh - (101 * 100) / 2 = 5050 - One neighborship between each pair of routers. C、101 - One between each router (including the central site) a nd its nearby PE router. D、None of the answers is correct.
A、one supreme court,11 courts of appeals and 91 district courts B、one supreme court,11 courts of appeals,89 district courts,3 courts of special jurisdiction C、one supreme court,11 courts of appeals,91 district courts,3 courts of special jurisdiction D、one supreme court,11 courts of appeals,91 district courts,2 courts for the District of Columbia and the Commonwealth of Puerto Rico
A、one and one-half times the length of a dot B、twice the length of a dot C、three times the length of a dot D、four times the length of a dot
A、the after one is more than forward one B、the forward one is more than after one C、the forward one is the same with after one D、it depends on the type of engine
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