How to access protected trade databases

℃. Pure ethanol is a colorless and transparent liquid with a special fragrance and easy to volatile. The physical properties of ethanol are mainly related to the properties of its low-carbon straight-chain alcohol. The hydroxyl group in the molecule can form hydrogen bonds, so ethanol is viscous and not as polar as organic compounds with similar relative molecular mass.

Checking the car gas storage cylinder can reduce hidden dangers. What are the specific reasons?

1. The function of the car gas cylinder. In fact, I didn't know the relevant information of this part before, but I also know that the function of this part in the car is still very important, so I found it on the Internet.In fact, it is very important to find the function of this part.

2. When the vehicle is parked for a long time, the refrigerator is easy to shrink. If it is reduced, it can be roughly divided into two situations. First of all, check if there is any soft drink leakage under the car. If so, take measures to prevent leakage, and then add antifreeze. Coolant leakage, check whether there is liquid leakage at the bottom of the vehicle.

3. Open the mat and check if there are water stains inside. If there is no water stain in it, there is no problem. There is no tube in the exhaust pipe. If you run twice the speed, it will disappear. There will be no backflow. Air systems, such as clutches, brakes, gearboxes, and even horns, engines and Flanders brakes, rely on compressed air.

What to check when the car storage box is disassembled

The vehicle needs to be parked before the car's co-driver's storage box is dismantled. The co-driver's storage box is a snap-on fixation, which is directly disassembled and opened manually.

Then pull the co-driver's storage box outward, apply pressure to both sides, and squeeze it in the middle to remove it. Some have snaps, and you can remove the storage box by directly loosening the snap. The co-driver's storage box of the car needs to be parked before it is disassembled. The co-driver's storage box is a snap-on fixed type, which is directly disassembled and opened manually.

Before disassembling the co-driver's storage box, be sure to turn off the vehicle and stop the safe area. The storage box is directly below the front of the co-driver. When disassembling, open the co-driver's door for operation. Open the switch handle of the co-driver's storage box, so that the co-driver's storage box opens to the maximum amplitude, and pay attention to the latch position of the storage box next to it.

Some have snaps, and you can remove the storage box by directly loosening the snap. ( 2) There is a spring in the storage box of some cars. This spring is very fragile and easy to get stuck. If it is stuck, the storage box will not be closed. When you encounter this situation, don't close or pull hard. Too much force may damage the storage box.

Generally speaking, most car air conditioning filters are installed under the co-driver. Just remove the storage box to find the location of the air conditioning filter. After removing the cover, the air conditioning filter can be pulled out. However, pay attention when installing the new air conditioner filter, and don't install it in reverse.

Car storage box snap principle

Yes. The car co-driver's storage box buckle is divided into inner card.There are two types of mouth and outer jamm, which can be installed on the outside. The snap is a mechanism used for the embedded connection or integral locking of one part and another part, which is usually used for the connection of plastic parts.

The storage box of the first deputy belongs to the snap-on fixing, which can be disassembled directly and opened manually. Before disassembling the co-driver's storage box, be sure to close the vehicle and park it in a safe area. The storage box is in front of the co-driver. When disassembling, open the co-driver's door for operation.

The co-driver's storage box of the car needs to be parked before it is dismantled. The co-driver's storage box is a snap-on fixation, which is directly disassembled and opened manually. Before disassembling the co-driver's storage box, be sure to turn off the vehicle and stop the safe area. The storage box is directly below the front of the co-driver's. When disassembling, open the co-driver's door for operation.

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List of the catalog of this article:

• 1,How to access protected trade databases What are the skills when checking the car gas cylinder?
• 2, How much alcohol will explode if you add to the car gas cylinder
• 3. Checking the car gas storage cylinder can reduce hidden dangers. What are the specific reasons?
• 4, What to check when the car storage box is opened
• 5, Car Storage Box Latch Principle

What are the skills when checking the car gas cylinder?

The most important thing to check the gas storage cylinder is to release water, especially in winter. If you put too much water, it is easy to freeze.Nowadays, vehicles are equipped with drying bottles, and the compressed gas of the pump enters the gas cylinder after passing through the drying bottle. Therefore, there is not much water in the gas cylinder. A large amount of water will enter the fuel tank.

First of all, pay attention to whether the energy storage cylinder is normal. Secondly, whether the filtration is intact. Finally, the complete filtering effect and whether the filtering effect can be achieved are the problems in the memory that we need to consider.

This is a good time to check the cylinder. The cylinder should be empty from front to back. If the cylinder can drain water, the drying tank should be replaced in time.

If the air pressure is insufficient, check whether the fan drive belt is too loose or broken, and whether the air compressor leaks air into the gas storage tank. If they are all in good condition, the air compressor should be disassembled and checked.

How much alcohol will explode in the car gas storage cylinder

1. Because alcohol can be ignited at a concentration above 60%, so if Guoguang looks at the combustion of alcohol, and the chemical energy turns into heat energy, which can really add some to the engine. Anyway, gasoline is also burned, and alcohol is also burned. They are all burned and expanded to work. Why can gasoline do it, but alcohol can't do it?

2. The lower explosion limit of alcohol (LEL): 5%; the upper explosion limit of alcohol (UEL): 10%. It is only possible to detonate between the concentrations of the lower limit of explosion and the upper limit of explosion.

3. Alcohol explosion limit 3%-19% (V/V) volume concentration, oxygen concentration air content 21% (V/V) volume concentration. Ethanol is a flammable and volatile colorless transparent liquid at normal temperature and pressure. It is low-toxic and pure liquid cannot be drunk directly; it has a special fragrance and is slightly irritating; it is slightly sweet and accompanied by a stimulating spicy taste.

4. Flash point (℃): 12 Lower explosion limit (%): 3 Maximum explosion pressure (MPa): 0.735 Ignition temperature (℃): 363 Explosion upper limit (%): 10 Fire extinguishing agent: anti-soluble foam, dry powder, carbon dioxide, sand.Precautions for fire extinguishing: Move the container from the fire to an open space as much as possible.

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