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What is the difference between the small circulation and the large circulation?

1 Answers
DeKhloe
07/29/25 6:54pm
The differences between the small circulation and the large circulation: 1. Different routes: The large circulation route includes the water pump, distribution pipe, cylinder block water jacket, cylinder head water jacket, thermostat, radiator, and back to the water pump; the small circulation route includes the water pump, distribution pipe, cylinder block water jacket, cylinder head water jacket, thermostat, and back to the water pump. 2. Different cooling methods: The large circulation requires passing through the radiator for cooling; the small circulation does not need to pass through the radiator for cooling. When the engine is just started, the coolant first undergoes small circulation, which helps the engine quickly reach its normal operating temperature. Once the normal operating temperature is reached, the coolant then switches to large circulation to maintain the engine within a reasonable working temperature range.
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What is the Difference Between Load-Bearing Tires and Regular Tires?

Load-bearing tires differ from regular tires in terms of load index and structural characteristics. Load-bearing tires have a higher load index: Regular tires can also bear weight, but their load index is lower than that of specialized load-bearing tires. The load index is marked on the sidewall of the tire. These two types of tires are suitable for different vehicle models. For trucks, LT light truck load-bearing tires or tube-type load-bearing tires can be chosen, while regular tires, which are designed for high-speed and high-performance vehicles, must use tires with stronger grip and softer materials, making them suitable for ordinary household cars. Structural characteristics of load-bearing tires and regular tires: In terms of structural characteristics, load-bearing tires are harder but more wear-resistant, with a higher proportion of tire reinforcement agents, whereas regular tires are made of softer materials.
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Can a New Car with Temporary License Plates Drive on the Highway?

Whether a car with temporary license plates can drive on the highway depends on the type of temporary license plate, which is distinguished by color. Temporary license plates with a sky-blue background, black characters, and black borders are only valid within the city and are referred to as local temporary license plates. Vehicles with these plates cannot travel to other regions and are subject to significant restrictions. On the other hand, temporary license plates with a brown-yellow background, black characters, and black borders can be used for inter-city travel and are known as non-local temporary license plates. These plates allow travel to other regions, and there is no need to worry about driving on the highway. Below is additional information about license plates: 1. Temporary License Plates: The use and regulations for temporary license plates are the same as for regular license plates. It is not the case that temporary license plates exempt the vehicle from penalties. If the temporary license plates are not correctly displayed, if expired temporary license plates are used, or if any traffic law is violated, the driver will still be subject to penalties and fines. 2. Placement of Temporary License Plates: Temporary license plates usually come in two pieces. One should be affixed to the lower left or right corner of the front windshield, ideally without obstructing the driver's view, and the other should be placed on the lower left corner of the rear windshield inside the vehicle. If there is insufficient space to display both plates, the other temporary license plate should still be carried in the vehicle. If there is only one temporary license plate, it should be affixed to the lower left or right corner of the front windshield.
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What to Prepare for a Driver's License Test?

To obtain a driver's license, you need to bring the following documents: 1. Local Residents: Local residents need a household registration book and a valid ID card. The copy of the household registration book should include the page with the address and the page of the applicant. If there are changes to the ID number or address on the applicant's page, an updated copy is required. 2. Non-local Residents: Non-local residents need an ID card and a temporary residence permit. 3. Documents for Elderly Learners: Elderly individuals can learn to drive either manual or automatic transmission vehicles. They need to prepare the required materials and pass a medical examination. 4. Documents for Learners with Left Lower Limb Disabilities: They can only learn automatic transmission vehicles. They must fill out the Motor Vehicle Driver Application Form and undergo a medical examination at a designated hospital. Only after passing the medical exam can they register. 5. Documents for Active Military Personnel: They must present original and photocopied documents (such as officer's certificate, civilian cadre certificate, soldier's certificate, retired officer's certificate, etc.) and have a medical examination stamp from a hospital at the regiment level or above. A certificate issued by a unit at the regiment level or above (addressed to the Vehicle Management Office of the Municipal Traffic Management Bureau) is also required, stating the applicant's current actual residence and date of birth. Photos submitted must be in military uniform, except for retired military personnel, who cannot wear military uniforms in photos. Military personnel must undergo medical examinations at military hospitals. 6. Documents for Active Armed Police Personnel: They must present original and photocopied documents (such as police officer's certificate, soldier's certificate, civilian cadre certificate, student certificate, retirement certificate, etc.) and have a medical examination stamp from a hospital at the regiment level or above. A certificate issued by a unit at the regiment level or above is also required (with the same content and photo requirements as for military personnel). Armed police personnel must undergo medical examinations at armed police hospitals.
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What is the wheel size of the CFMOTO 250NK?

The CFMOTO 250NK is equipped with 17-inch wheels. Power system of the CFMOTO 250NK: It is powered by a single-cylinder four-stroke naturally aspirated engine with a displacement of 249cc, producing a maximum torque of 22 Nm and a maximum power of 19.5 kW. The bike features a 6-speed international gearbox, delivering outstanding performance. Dimensions of the CFMOTO 250NK: The bike has a length of 1990mm, width of 780mm, height of 1070mm, and a seat height of 795mm. With a wheelbase of 1360mm and a weight of only 151kg, it also comes with a 12.5L fuel tank. The top speed can reach 128 km/h, and it is fitted with 17-inch wheels and tubeless tires.
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Can a Motorcycle Charger Still Be Used After Getting Wet?

Motorcycle charger cannot be used after getting wet. Reasons: Water in the charger can easily burn out the circuit board and control components, and approaching or touching it may cause irreversible harm to the human body. A wet charger can also lead to malfunctions in electronic components. If the charger remains in operation, it may overcharge the battery, causing damage. Charging Duration Precautions: Disconnect the power promptly after the battery is fully charged. If the power is not turned off for an extended period, the electronic components inside the charger are likely to overheat, which can lead to short circuits and sparks, potentially causing a fire. Charging Environment Precautions: The charging environment must be well-ventilated, with an optimal temperature of 25 degrees Celsius. Avoid exposing the vehicle to direct sunlight or rain during storage. It is best to charge during the day, as nighttime and early morning are the most prone to fire incidents. Therefore, charging should ideally be done during daylight hours with supervision. Maintenance: The charger should be replaced regularly, and an original manufacturer's charger should be used. If the wiring is aged or the electric vehicle's battery itself has issues, it can easily lead to a fire. The combination of these factors increases the risk significantly.
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Does Cruise Control Affect the Transmission?

Electronic control gear, continuous use of cruise control in this manner will not affect the dual-clutch transmission. Components of the cruise control system: Switch buttons, instrument indicator lights, engine control module (ECM), electronic throttle, clutch pedal switch, brake switch, and parking brake switch. Methods to turn off cruise control: Depress the brake pedal or clutch pedal to temporarily deactivate it. Press the off switch to turn it off. If the vehicle speed decreases by approximately 13 kilometers per hour relative to the set speed, cruise control will automatically cancel. Moving the gear selector to the N position will cancel cruise control, and the SET indicator light will turn off.
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