Cheering for a car is what you usually do in the car，How to save money is a topic that is old，There are always many tips on the circle of friends to save money，Are these rumors true? Let me give you a popular science today!

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Rumors: Oil and adding too full will cause increased fuel consumption or explosion.

real Test knot Fruit: ? Zheng Content

The principle of thermal expansion and contraction knows the experimental proof: plastic bottle filled with gasoline will be heated and expanded，fuel tank full of gasoline，Once the gasoline expansion occurs after heated、Oil leakage of fuel tank，It is easy to fire or even exploded after encountering a bright fire。And，Come seabet ioon, it is easy to cause the following hazards :? 1. Cover the ventilator，Cause poor fuel，As a result, the car's flameout cannot be started。? 2. The fuel tank is full to increase the burden on the engine，Increase fuel consumption。How much oil should I add? Answer: When the fuel tank is less than 1/4, you need to refuel，Estimated the next mileage in advance，Just refuel according to actual driving needs。

? Rumors 2
Rumors: Come on in the morning and evening, and losses in the afternoon.

real Test knot Fruit: ? Zheng Content

Physical characteristics of thermal expansion and contraction according to the liquid，The lower the temperature，The higher the density of the liquid。gasoline is charged according to the volume，The higher the density at the same volume，The greater the quality。Generally, the temperature is lower in the morning and evening than during the day，The density of oil is higher，Therefore, choosing to refuel in theory is the most cost -effective sooner or later。
Experimental proof，The quality of gasoline at the same size at different temperatures will be slightly different，It is more cost -effective to refuel when the temperature is low。

? Rumors 3
Rumors: Do not refuel when the gas station removes fuel.

real Test knot Fruit :? Wrong Error

A professional water removal device on the gas machines of the regular gas station，The role is to block water and oil。When the oil and water mixture arrives at the waterproof filter，Water absorption fiber and water absorption particles seabet loginin waterproof filtering will absorb water molecules，At the same time, a "protective film" is formed at the same time，Blocking water to penetrate inside。

? Rumors 4
Rumors: It is more cost -effective to refuel at the increase ratio and amount.

real Test knot Fruit: ? Zheng Content

The price of gasoline is zero and complete，When refueling "money", it usually goes around，It may lose some "change"; while "liter" will be actively calculated。Take the 200 yuan 92 gasoline as an example，Calculated the volume calculated at a liter should be 26.8817 liters，But when "money" is refueling，The actual refueling volume after entering the four houses is 26.88 liters，Error of more than 0.001 liters，Accumulated less and more，"Money" will lose a lot of money。

? Rumors 5
Rumors: The higher the gasoline label, the better.

real Test knot Fruit :? Wrong Error

Gasoline label is not higher, the better，Even high -end cars are not absolutely equal to high standard oil。The higher the gasoline label，The more anti -explosive agent added, the more burning inhibitors, the more，The more flammable substances occupied by，Burning is difficult，and the higher the label，Natural fire characteristics are worse，As a result, it consumes more fuel。

Reminder: It is best to add gasoline。

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