What does the 'R' on tires mean?

How Many Times Will Cylinder Wear Increase Without an Air Filter in the Engine?

Without an air filter, cylinder wear in the engine will increase by 8 times. Hazards of operating an engine without an air filter: During operation, the engine draws in a large amount of air. If the air is not filtered, the suspended dust particles in the air will be drawn into the cylinder, accelerating the wear of the piston assembly and the cylinder. Larger particles entering between the piston and cylinder can cause severe "cylinder scoring," especially in dry and sandy working environments. The air filter is installed at the front of the intake pipe to filter out dust and sand particles, ensuring that sufficient and clean air enters the cylinder. Types of air filters: Air filters generally come in two types: paper and oil-bath. Paper filters are widely adopted due to their advantages of high filtration efficiency, light weight, low cost, and easy maintenance. The filtration efficiency of a paper filter element can exceed 99.5%, while the oil-bath filter typically achieves 95-96% filtration efficiency under normal conditions.

18

0

Share

What is the difference between yellow license plates and blue license plates?

Yellow license plates and blue license plates differ in the following aspects: Requirements for driver's license: Yellow license plate vehicles can only be driven with a B-class driver's license or above; blue license plate vehicles can be driven with a C-class driver's license or above. Different traffic restrictions: Yellow license plate vehicles require a traffic permit to enter urban areas; blue license plate vehicles can directly enter urban areas. Applicable vehicle types differ: Yellow license plates are used for large vehicles, trailer license plates, ordinary motorcycle license plates, low-speed vehicle license plates, and ordinary M2-class light passenger vehicles; blue license plates are used for general passenger vehicles, M1-class light passenger vehicles, light trucks with a load capacity of less than 1.0 tons, and light motorcycles. Different requirements for operating permits: Yellow license plates require an operating permit; blue license plates do not require an operating permit.

1

2

Share

Can You Take the Subject 2 Driving Test After Drinking Alcohol?

You cannot take the Subject 2 driving test after drinking alcohol. Content of the Subject 2 test: Subject 2, also known as the small road test, is part of the motor vehicle driver's license examination. It is the abbreviation for the field driving skills test. For the C1 license, the test items include five mandatory components: reverse parking, parallel parking, stopping and starting on a slope, right-angle turns, and curve driving (commonly known as S-curves). Some regions also include a sixth item: high-speed toll card collection. For the C2 license, the test includes four mandatory components: reverse parking, parallel parking, right-angle turns, and curve driving (commonly known as S-curves). Precautions for the Subject 2 test: When performing reverse parking, pay attention to controlling the speed. You must complete the start within 30 seconds; during parallel parking, reasonably control the 30cm side margin and reference points; during curve driving, adjust the vehicle body slowly to ensure the wheels do not cross the lines; during right-angle turns, find the right moment to turn the steering wheel.

20

3

Share

What brands of cars does Lynk & Co belong to?

Lynk & Co is a premium brand of the new era jointly established by Geely Holding Group, Geely Auto Group, and Volvo Car Group. It integrates European technology, European design, global manufacturing, and global sales, built on the CMA (Compact Modular Architecture) jointly developed by Volvo Cars and Geely Auto, with Volvo Cars taking the lead. The product lineup under Lynk & Co includes the Lynk & Co 01, Lynk & Co 02, and Lynk & Co 03. The Lynk & Co 01 is the first model developed based on the CMA architecture, with dimensions of 4549 mm in length, 1860 mm in width, and 1689 mm in height, and a wheelbase of 2734 mm. In terms of exterior design, the Lynk & Co 01 is crafted based on a concept car, featuring the signature Lynk & Co family design style. The front fascia adopts a split-type headlight design, with the raised LED daytime running lights on both sides of the front inspired by the Aurora Borealis. The main headlight assembly also uses full LED lighting and is integrated with the front grille.

13

5

Share

Can a car charge its battery while starting?

When a car starts, it runs at idle speed, which can charge the battery. However, this requires ensuring that all electrical devices in the car are turned off (except for the engine). The battery will charge automatically, but this only happens when the car is running, relying on the alternator for charging. Alternator output voltage: The alternator's output voltage is directly proportional to its rotational speed. The alternator's speed depends on the engine's speed. During the car's starting phase, the speed is relatively slow, resulting in a lower alternator output voltage. Only when the engine operates continuously and normally will the battery receive better replenishment. Jump-starting the battery: If a car has been parked for an extended period, the battery may lose charge. If the car fails to start, jump-starting the battery is an option. Connect the battery terminals of both cars using jumper cables, then start the other car to let its engine idle. Next, attempt to start the affected car. If the issue is a depleted battery, the car should start quickly, after which the alternator will begin charging the battery.

20

4

Share

What is the Bridgestone tire wear indicator?

When the tire tread is nearly worn out, meaning the remaining tread depth is below 1.6mm, the tire's grip becomes extremely poor—especially during rain or snow. The shallower tread pattern leads to inadequate water drainage, creating a thin film of water between the road and the tire, which can cause the vehicle to lose traction and potentially lead to loss of control. Additionally, the tire's slip increases significantly, dramatically extending braking distances. This not only worsens the vehicle's handling stability but also increases the risk of traffic accidents. National Standard: According to China's national standards, the wear limit for radial tires used in passenger cars is 1.6mm, while for trucks and buses, it is 2.0mm. Tire manufacturers are required to install wear indicators on tires as a mandatory measure. When the tread wears down to these limits, the wear indicator should become visible, alerting drivers to replace the tires promptly. Tire Wear Indicator: This is a marker indicating that the tire tread has reached its wear limit. It appears as a small raised block located at the base of the tread grooves, slightly elevated by 1.6mm above the groove bottom.

20

4

Share

What does the 'R' on tires mean?

How Many Times Will Cylinder Wear Increase Without an Air Filter in the Engine?

What is the difference between yellow license plates and blue license plates?

Can You Take the Subject 2 Driving Test After Drinking Alcohol?

What brands of cars does Lynk & Co belong to?

Can a car charge its battery while starting?

What is the Bridgestone tire wear indicator?

What kind of oil does the Nissan QR25 engine use?

Should You Press the Clutch When Braking in a Car?

Will the hood break if slammed shut?

How long will it take for a driver's license to be revoked if 12 points are deducted and not processed?