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1. How does a gas station calculate the amount of oil in a tank?
Gas stations mainly use float sensors or flow meters in storage tanks to calculate the amount of oil in the tank.
1. Application of Float Sensor When a tanker truck replenishes fuel for a storage tank at a gas station, the float ball valve in the storage tank will also rise accordingly as the fuel level rises.
. When the float valve rises to a certain position, it will block the pipeline to prevent additional fuel from continuing to enter and prevent the oil tank from overflowing. At the same time, the float sensor will also rise as the oil level rises. When the float sensor reaches the preset target oil level, it will send a signal to inform the tanker driver to stop refueling and close the relevant valves. In this way, gas stations can roughly estimate the amount of oil in the tank based on the position of the float sensor.Secondly, the function of the flow meter is that during the customers refueling process, the gas station system will activate the underground pump to suck up the fuel in the tank and flow it through a sealed pipeline to the refueling gun.
. During this process, the fuel will pass through a precise flow meter. The flow meter can be very sensitive and accurately calculate the refueling amount, ensuring that every drop of fuel is included in the customers refueling amount. In this way, the gas station can not only monitor the fuel volume of Luwu in real time, but also ensure the accuracy of the measurement. In summary, gas stations can accurately calculate and monitor the amount of oil in the tank by combining float sensors and flow meters. Float sensors are used to roughly estimate the amount of oil in the
2. What are the tricks of diesel tank trucks?
Common tricks of diesel tank trucks focus on cheating in measuring the amount of fuel destroyed, oil quality, transportation supervision, etc.
1. Measurement cheating: 1) Tampering with flow meters and modifying the measuring device of tank trucks to make the actual fuel output not match the display, such as adding 100 liters but only producing 90 liters to deduct the fuel volume.
. 2) False zeroing, not resetting the flow meter before refueling or using means to make it falsely display zeroing but actually counting, overcounting the users refueling volume. 3) Pipeline residue cheating involves installing concealed valves or residual pipelines at the bottom of oil tankers, and then adding residual diesel to privately set containers to reduce the amount of fuel.2. In terms of oil quality, 1) Mixing inferior oil and impurities such as waste oil into regular diesel can lower the oil grade and affect engine performance.
. 2) Shortage of weight and quantity, using measurement cheating to reduce oil output and passing off inferior products as good, damaging the interests of users.3. Transportation and supervision: 1) Stealing oil midway, opening valves in high-speed service areas, and then resetting diesel, which is not easy to detect.
. 2) Falsifying documents, tampering with transportation documents and other fuel quantity data, colluding to falsely report fuel quantities to take advantage of price differences. 3) Taking advantage of regulatory loopholes, so
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