What Does a Speed Limit of 40 Mean?

1 Answers
LeHolden
07/30/25 6:56am
Speed limit 40 means: the speed cannot exceed 40 kilometers per hour. The following is an introduction to the hazards of speeding: 1. Increased reaction distance: As the speed increases, the braking performance of the vehicle decreases, the friction coefficient drops, and the braking distance extends, making it impossible to stop the vehicle in time when needed. In addition, increased speed leads to greater vehicle vibration and bumpiness, affecting safe driving. 2. Increased vehicle wear: High-speed operation increases the working intensity and load on the vehicle, accelerating the wear and damage of components. This is particularly detrimental to the wheels, raising the friction temperature and making tires extremely prone to aging and deformation, which can lead to blowout accidents.
Was this review help?
19
3
Share
More Forum Discussions

What brand is Crown?

Crown is an automobile brand under Toyota. Here is the relevant introduction about Crown: 1. Power: It only provides a 2.5L hybrid system, with the engine's maximum power of 192 horsepower (141kW) and maximum torque of 238 N·m, paired with an E-CVT transmission. The chassis adopts a front MacPherson and rear E-type multi-link fully independent suspension structure. 2. Exterior: The front face features a large-area multi-spoke black horizontal grille design that widens the visual width. The Crown logo on the front is also very distinctive. A small spoiler is added to the rear, and the rear bumper adopts a two-tone design different from the body color.
10
5
Share

The Difference Between Supercharging and Turbocharging

The differences between supercharging and turbocharging are as follows: 1. Supercharging utilizes the engine's own power to drive a compressor for pressurization, which consumes engine power. The speed changes with the engine speed, so there is no turbo lag. It performs exceptionally well at low engine speeds but is limited by the engine speed, resulting in insufficient pressurization at high engine speeds. 2. Turbocharging uses the exhaust gases produced by the engine to drive a turbine in the exhaust pipe, which in turn drives a turbine in the intake pipe for indirect pressurization, without consuming engine power. Turbochargers operate at extremely high speeds and provide several times more pressure than superchargers. However, due to the inertia of the turbine and the considerable resistance of the intermediate bearings, the turbine speed does not increase immediately when exhaust gases suddenly increase, which is known as turbo lag.
16
5
Share

Does Domestic Tesla Qualify for Subsidies?

Domestic Tesla vehicles are eligible for subsidies. As a new energy vehicle model, domestically produced Tesla cars enjoy exemption from purchase tax and national subsidy policies. The following are the standards and requirements for qualifying for new energy vehicle subsidies: 1. The mass energy density of the power battery system for pure electric passenger vehicles should not be less than 90Wh/kg. For those exceeding 120Wh/kg, a 1.1 times subsidy will be granted. 2. Plug-in hybrid passenger vehicles with a pure electric range of 80km or more under working conditions must meet the same electricity consumption requirements per 100 kilometers in State A as pure electric passenger vehicles.
7
4
Share

What Causes Oil Leakage in Car Air Conditioning?

Reasons for oil leakage in air conditioning pipes: The rubber sealing rings inside the transmission are subjected to alternating cold and warm temperatures over time, causing the sealing rings to lose a significant amount of plasticizers and softeners. This leads to corrosion, aging, and hardening issues. Initially, there may be oil seepage, which gradually progresses to oil dripping. Over time, the sealing rings may even break. More relevant information is as follows: Function of air conditioning: Car air conditioning is used to adjust and control the temperature, humidity, air cleanliness, and air flow inside the vehicle cabin to an optimal state. It provides a comfortable riding environment for passengers, reduces travel fatigue, creates good working conditions for the driver, and serves as an important ventilation device for ensuring safe driving.
2
0
Share

Differences Between GAC Toyota and FAW Toyota

Here are the differences between GAC Toyota and FAW Toyota: 1. Differences in establishment time: FAW Toyota was established earlier than GAC Toyota. FAW Toyota was established in 2000, while GAC Toyota was established four years later. The gap in establishment time can have many impacts on an automaker, such as in terms of car manufacturing experience, market opportunities, etc., which can create certain gaps. 2. Differences in shareholding mechanism: The controlling shareholder of FAW Toyota is FAW Group, while GAC Toyota is jointly owned by GAC and Toyota, each holding 50% of the shares. As a result, GAC Toyota appears more harmonious in terms of cooperation, while FAW Toyota does not have as much decision-making power in cooperation as GAC Toyota.
14
2
Share

Can the Arrizo 5 run on highways?

Arrizo 5 can run on highways. Here is the relevant introduction of the Arrizo 5: 1. In terms of power: It is equipped with a 1.5L naturally aspirated engine, with a maximum power of 116 horsepower and a maximum torque of 141N.m. It is paired with either a 5-speed manual transmission or a 7-speed CVT continuously variable transmission. The manual transmission features a shift reminder function, while the CVT transmission comes with an economy mode (ECO) and a sport mode (sport), providing a more diverse driving experience. 2. In terms of configuration: It is equipped with multiple practical and technologically advanced features such as one-key start, cruise control, electric air conditioning, electric sunroof, leather multifunctional steering wheel, and leather seats.
20
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.