Q:When you find the home gas leak, you will immediately take the approach is ()A. open exhaust fanB. close the gas valve, open the doors and windowsC. immediately hit 119 alarmD. water the house so that the gas is absorbed by water

C, when the discovery of the gas leak at home, we must first take measures to help themselves, when they can not help themselves to call 119, so wrongD, the main component of the gas is carbon monoxide, carbon monoxide is difficult to dissolve in water, to the house watering everywhere, it is difficult to make the gas absorbed by the water, can not prevent gas poisoning, so wrongSo choose B.

Q:Liquefied petroleum gas cylinder in the home after the valve has been a big fire, gas stove by adjusting the basic do not work, so I want to adjust the pressure relief valve, but I have a half twist counterclockwise, little effect. Do not dare to twist, special to help the general number of twists and turns to see how the effect?

You're in the wrong direction! Pressure valve is generally the factory debugging good, do not deliberately tune it. If there is a need to adjust the words, different valves have different adjustment method, and some with a screwdriver, and some direct adjustment by hand, mostly the same principle. When the pin is decompression, counter clockwise is booster. That is, when the pressure is small, when the pressure is relaxed. If you are not sure, you first clockwise twist a circle, look at the results, and then back to a circle to the original twist. At this time, counterclockwise turn a circle and then look at the effect of this contrast, you can get results! Wish you well!

Q:For example, 5000NM3/H of natural gas into the quality should be how to calculate,

One cubic meter of natural gas quality: 0.7192 kgPer ton of natural gas volume: 1390 cubic metersNatural gas transportation or trading is generally calculated in cubic metersConversion methods are as follows:Standard cubic meters of natural gas refers to 1 atmospheric pressure, when the 1 cubic meters of 20 degrees CelsiusUnder this condition, any 22.4 liter of gas contains one mole (6.02 x 10^23) moleculesOne cubic meter is 1000 litres

Q:Why does the gas smell

So where does the gas come from? When coal is burning in the stove, air enters the furnace from the lower part of the furnace. As a result, the following carbon can get sufficient oxygen, burn completely, produce carbon dioxide, and produce a lot of heat. It is easy to produce gas when the combustion is incomplete. For example, just lit the stove, or the fire was extinguished, or when the door is closed due to fire, the temperature is relatively low or insufficient supply of oxygen, the combustion is not fully, will produce gas.

Q:Gas or gas is a general term for gaseous fuels

3, artificial gas (R)There are two main methods:One is the raw material of coal or coke into the industrial furnace in the combustion, and pass into the air and water vapor to generate combustible gas;Or isolated air heating, so that the occurrence of physical and chemical changes in coal, heating can be made after the purification of the gas can be obtained tar, ammonia, crude benzene and other chemical productsMain ingredients: H2; CO; CH4; C2; N2; CO2.Divided into three categories: 5R, 6R, 7R, rated pressure of 1000Pa.

Q:Is the gas escaping from the pipe floating up or down?

Because the main component of natural gas is methane (CH4), the relative atomic mass of C is 12, and the relative atomic mass of H is about 1

Q:What is the difference between a gas producer and a cold gas?

Anthracite: hot gas station, cold gas stationBituminous coal: hot gas station, cold gas stationBut regardless of bituminous coal or anthracite, the process of their hot gas station is almost the same, so, in order to facilitate the description, introduced in three cases1, hot gas station; 2, anthracite cold gas station; 3, bituminous coal cold gas stationThe general process of hot gas station is as follows:Gas producer, cyclone dust collector, disc valve (or water seal), hot gas pipeline, user heating furnaceSuch gas stations are generally set up in the vicinity of the heating furnace, usually not more than 60 meters away from it. It is characterized by the gas out of the furnace, only after the coarse dust and not clean the high temperature gas directly to the user

Q:How does natural gas exist underground?

In the total amount of resources, the Cenozoic accounted for 37.3%, Mesozoic group of the upper Paleozoic, the upper Paleozoic of the world, the lower Paleozoic of the year 25.5%, 26.1%. The genetic type of natural gas resources, high maturity of the pyrolysis gas and coalbed methane dominated respectively of the total amount of resources 28.3% and 20.6%, oil gas in coalbed gas accounted for 18.8%, accounted for 27.6%, accounting for 4.7% of biogenic gas. Chinese natural gas reserves are concentrated in 10 large basins, followed by: Bohai, Sichuan, Junggar, Songliao, Yinggehai and Qiongdongnan, Qaidam Basin, Turpan, Tarim, Bohai, Ordos. The gas fields in China are mainly small and medium, and the geological structures of most gas fields are complex. 1991-1995, China's natural gas production increased from 16 billion 73 million M3 to 17 billion 947 million m3, with an average annual growth rate of 2.33%.

Q:I bought two new batteries. And bought a new low pressure valve. After a few minutes on the beat. And then you can't beat it. Where is the problem? Open the relief valve and press the ignition switch. The ignition point pops rang. Also hear the sound of gas, why not?

Can reduce the pressure relief valve or a bottle of gas to try.

Q:Is steel filled with gas or natural gas?

Liquefied petroleum gasLiquefied petroleum gas (LPG) is a kind of important domestic fuel, which is a by-product of oil refinery catalytic cracking and thermal cracking. Compared with the city gas, liquefied petroleum gas high calorific value, the same volume of liquefied petroleum gas and gas combustion, liquefied petroleum gas calorific value is 20 times the gas.