Where to Find the Production Date of a Tire?

What are the physical examination items for obtaining a motorcycle driver's license?

The physical examination for obtaining a motorcycle driver's license should be conducted at a medical institution at or above the county level or a military hospital. The examination items mainly include: height, vision, color discrimination ability, etc. The following are the relevant details: 1. Height: Applicants for large passenger vehicles, tractors, city buses, large trucks, and trolleybuses must have a height of at least 155 cm. Applicants for medium-sized passenger vehicles must have a height of at least 150 cm. 2. Color discrimination ability: No red-green color blindness. 3. Vision: Applicants for large passenger vehicles, tractors, city buses, medium-sized passenger vehicles, large trucks, trolleybuses, or trams must have a naked or corrected visual acuity of at least 5.0 on the logarithmic visual acuity chart. Applicants for other types of driver's licenses must have a naked or corrected visual acuity of at least 4.9 on the logarithmic visual acuity chart.

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What Causes Wheel Hub Corrosion?

The following are the reasons for wheel hub corrosion: 1. Environmental issues: Many car models now use aluminum alloy to make wheel hubs. The advantage of aluminum alloy is that it is strong and durable, but the disadvantage is that it is afraid of acid. Aluminum is easily oxidized when exposed to acid, and once placed in a strong acid environment, aluminum alloy wheel hubs are indeed prone to corrosion. 2. Quality issues of the wheel hub: Many automobile manufacturers have reduced the harm of acidic substances to aluminum alloy wheel hubs through process improvements. Currently, the vast majority of car wheel hubs are basically no longer afraid of acid. However, there are still a few car models whose wheel hubs are prone to corrosion.

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How to Use Lights When a Car Passes Through Sharp Turns or Arch Bridges?

When a car passes through sharp turns or arch bridges, it should alternately use high and low beams as a signal. Below is a detailed introduction about car lights: 1. Headlights: The main purpose of headlights is to illuminate the road and objects ahead of the car, ensuring driving safety. The alternation between high and low beams can be used as a signal for overtaking at night. Headlights are installed on both sides of the front of the car, with 2 or 4 lights per vehicle. The bulb power is 45-60W for high beams and 25-55W for low beams. 2. Fog lights: Fog lights are installed near the headlights or slightly lower than the headlights. In conditions of low visibility such as fog, snow, heavy rain, or dust, fog lights are used to illuminate the road and provide signals to oncoming vehicles. The light is mostly yellow, as yellow light has a longer wavelength and good fog-penetrating performance. The bulb power is generally 35W.

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Can New Cars Not Use S Gear?

New cars should not use S gear during the break-in period. Here is an introduction to the S gear in cars: 1. Meaning: The S gear in a vehicle refers to the sport mode. In S gear, the transmission can shift freely, but there will be a delay in shifting. 2. Function: In S gear, the engine can maintain high RPM for a longer time, allowing the vehicle to operate at high RPM in lower gears, thereby achieving greater output torque and acceleration. 3. Consequences of Improper Use: The S gear is often used for climbing slopes or overtaking. During these times, the transmission load increases in a short period, leading to a rise in temperature and correspondingly increased wear.

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What does the yellow grid line on the road mean?

The yellow grid line on the road is a type of traffic marking, mostly set up at temporary parking areas. The "National Standard of the People's Republic of China - GB5768 (Road Traffic Signs and Markings)" provides a clear explanation of the yellow grid line: it is used to inform drivers that temporary parking is prohibited at intersections (or other entrances and exits) where this marking is set, to prevent traffic congestion. It is painted at intersections or other entrances and exits where temporary parking is likely to occur, depending on the specific situation. Traffic markings: Traffic markings refer to signs on the road surface that use lines, arrows, text, vertical markings, raised pavement markers, and outline markers to convey guiding, restrictive, warning, and other traffic information to traffic participants. Their function is to regulate and guide traffic, and they can be used in conjunction with signs or alone. Other traffic markings: White dotted line: When painted on a road section, it is used to separate traffic flows in the same direction or as a safe driving distance recognition line; when painted at an intersection, it is used to guide vehicle movement. White solid line: When painted on a road section, it is used to separate motor vehicles and non-motor vehicles traveling in the same direction or to indicate the edge of the lane; when painted at an intersection, it can be used as a guide lane line or a stop line. Yellow dotted line: When painted on a road section, it is used to separate opposing traffic flows; when painted on the roadside or curb, it is used to prohibit long-term parking on the roadside.

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How to distinguish between the low-pressure pipe and high-pressure pipe of a car air conditioner?

During refrigeration, the thin pipe is the high-pressure pipe, and the thick pipe is the low-pressure pipe. Here is extended information: 1. The air conditioning system mainly consists of the following components: car air conditioning compressor, condenser, throttle expansion structure, evaporator, and pipelines. 2. Air conditioning compressor: It is the heart of the refrigeration system and the power source that drives the refrigerant to circulate continuously in the refrigeration system. 3. Exhaust pipeline: The connecting pipeline between the compressor and the condenser, which is the high-pressure pipe. The refrigerant flows from the compressor to the condenser. 4. Condenser: A heat exchange device that releases heat from the high-temperature and high-pressure superheated refrigerant vapor discharged by the compressor to the air outside the condenser through metal wall pipes and fins, thereby condensing the superheated gaseous refrigerant into a high-temperature and high-pressure liquid. 5. Throttle expansion structure: It plays a role in throttling and pressure reduction in the entire system and is the boundary component between high pressure and low pressure in the entire system. 6. Evaporator: It is the device where the low-temperature and low-pressure liquid refrigerant, after being throttled by the throttle expansion structure, absorbs heat and vaporizes to achieve the refrigeration effect. 7. Suction pipeline: The connecting pipeline between the evaporator and the compressor. The refrigerant flows from the evaporator to the compressor.

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Where to Find the Production Date of a Tire?

What are the physical examination items for obtaining a motorcycle driver's license?

What Causes Wheel Hub Corrosion?

How to Use Lights When a Car Passes Through Sharp Turns or Arch Bridges?

Can New Cars Not Use S Gear?

What does the yellow grid line on the road mean?

How to distinguish between the low-pressure pipe and high-pressure pipe of a car air conditioner?

How Often Should the Manual Transmission Fluid Be Changed in a Chery?

What is the maximum load capacity of the Suzuki UY125?

What are the differences between the CFMOTO 250SR Track Edition and the High-End Edition?

How to Remove Air Conditioner Water Drops Stains from the Car?