How to Perform a Burnout Start?

What does DOHC stand for?

It is a type of automobile engine. A DOHC engine has greater torque and power compared to a conventional engine. Relevant details are as follows: 1. Dual Overhead Camshaft: As the name suggests, DOHC stands for Dual Overhead Camshaft. From the working principle of an engine, it is understood that to complete a working cycle, the processes are intake, compression, combustion, and exhaust. The cylinder requires intake and exhaust valves to perform these functions. The role of the camshaft is to mechanically coordinate the opening and closing actions of these valves. SOHC (Single Overhead Camshaft) means that both the intake and exhaust valves are operated by a single camshaft, while DOHC uses two separate camshafts to independently control the intake and exhaust valves. 2. Advantages: The benefit of DOHC is that it allows for easy adjustment of the timing for opening and closing the intake and exhaust valves. This enables the engine to deliver ample torque at low speeds and maximum horsepower output at high speeds. Generally, high-capacity, high-speed engines often adopt DOHC. DOHC does not increase fuel consumption; instead, it allows the engine to perform more efficiently.

1

3

Share

What does the marking inside the red circle mean

The marking inside the red circle is a no-entry sign, indicating that all vehicles are prohibited from entering. This sign is placed at the entrance of prohibited roads. Its purpose is to remind drivers not to proceed in the forbidden direction, serving as a warning to prevent traffic accidents. The correct uses of no-entry signs are as follows: 1. Reducing traffic accidents: Proper use of no-entry signs can effectively decrease traffic accidents and protect lives and property. No-entry signs are traffic indicators that prohibit passage, alerting vehicles and pedestrians not to proceed further to avoid dangerous traffic incidents. 2. Facilitating traffic management: Helps traffic police in directing traffic.

14

5

Share

Will stopping in the middle of the road at a red light result in penalty points?

If the vehicle stops at the crosswalk without continuing to drive, it is not considered running a red light but rather overstepping the stop line. This is penalized as illegal parking or driving. According to Article 2, Paragraph 1, Item 3 of the "Scoring Standards for Road Traffic Safety Violations," 3 penalty points will be deducted. The act of running a red light is clearly defined in the "Road Traffic Safety Law." Article 26 states that traffic signals consist of red, green, and yellow lights. A red light indicates prohibition of passage, a green light permits passage, and a yellow light serves as a warning. A red light is a traffic signal prohibiting passage, and if a vehicle proceeds through an intersection during a red light, it constitutes the traffic violation of running a red light. Running a red light refers to the act where the vehicle is within the stop line, the forward direction is already a red light, but the vehicle continues to move forward, and both the front and rear wheels ultimately cross the stop line. This is determined by capturing three photos via electronic cameras: A photo of the vehicle crossing the stop line at the intersection, including the red light signal and license plate number. A photo of the vehicle completely passing the stop line, including the red light signal and license plate number. A photo showing the vehicle continuing to move, comparing whether the vehicle's position has changed, including the red light signal and license plate number. Capturing these three photos confirms the act of running a red light. Running a red light is not considered illegal under the following circumstances: Yielding to emergency vehicles: Yielding to ambulances, fire trucks, or other special vehicles. If captured by surveillance cameras while yielding, manual review will not record the act of running a red light. Even if recorded, you can apply for reconsideration with the traffic police department. Extreme weather: When visibility is so low that even electronic police cannot clearly see the traffic lights. The photos of the violation may be blurry, and if you accidentally run a red light, the traffic police will not impose penalties. Emergency situations: If a citizen transports a patient with a critical condition, they can present proof provided by the hospital or the person being assisted to the traffic police for verification. If confirmed, the violation record can be cleared. If possible, it is best to call an ambulance to avoid traffic accidents caused by running a red light. Traffic police direction: During peak commuting hours, traffic police may temporarily direct traffic at important intersections. Drivers must follow the gestures of the traffic police.

20

3

Share

What is the Ideal Idle Speed for a Motorcycle to Avoid Engine Damage

Motorcycle idle speed is generally most suitable between 1200 to 1500 RPM. Idle speed refers to the operating condition when a motorcycle's engine runs without moving. The idle speed directly affects the motorcycle's fuel pump volume, and excessively high idle speed will also impact fuel consumption. Additional information: 1. Motorcycle classification: Motorcycles are gasoline-powered vehicles steered by handlebars with two or three wheels, categorized into street bikes, road racing motorcycles, off-road motorcycles, cruisers, tourers, etc. 2. Motorcycle characteristics: They feature lightweight agility and rapid movement, widely used for patrols, passenger/cargo transport, and also serve as sports equipment.

9

0

Share

Can You Practice Driving at a Driving School on Rainy Days?

Of course, you can practice driving at a driving school on rainy days. Except for stopping and starting on a slope in Subject Two, all other exercises can be conducted in an indoor parking lot. It's actually good luck to encounter rainy weather during Subject Three practice, as you might face similar conditions during the actual test, giving you valuable experience. When practicing driving on rainy days, pay attention to the following two points: 1. Try not to close the windows during the test when it's raining: Visibility is already poor in the rain, and keeping the windows open allows for better observation of the rearview mirrors and reference points. 2. Learn to use equipment like windshield wipers: The button for the windshield wipers is located on the lower right side of the steering wheel, directly opposite the turn signal button. It's essential to know how to use the windshield wipers when driving in the rain.

13

5

Share

How to Deal with Slow Tire Leaks?

Tires can be repaired at an auto repair shop. Remember to check the tire condition before heading out, especially before long trips, highway drives, or mountain roads. If you notice any bulges, replace the tire immediately. Tires are crucial—never overlook them; safety comes first. Causes of slow leaks: 1. Valve stem leaks: You can check for leaks by submerging the valve stem in water. Original valve stems come with protective caps. If these are missing or fall off, dirt and debris can easily enter the valve core, accelerating internal seal aging and rust, which often leads to leaks. Besides ensuring the protective cap is intact, regular inspections are essential. 2. Punctures in the tread: Obvious punctures or penetrations, such as those caused by foreign objects (nails, glass, etc.), may result in slow leaks if the object remains lodged. Locating the "injury" spot allows for a patch repair to stop the leak.

17

4

Share

How to Perform a Burnout Start?

What does DOHC stand for?

What does the marking inside the red circle mean

Will stopping in the middle of the road at a red light result in penalty points?

What is the Ideal Idle Speed for a Motorcycle to Avoid Engine Damage

Can You Practice Driving at a Driving School on Rainy Days?

How to Deal with Slow Tire Leaks?

Is it troublesome to deregister a car sold as scrap metal?

Do second-hand cars require payment of purchase tax?

What does pumping the brakes mean?

What is the Difference Between Small Trade and Large Trade Motorcycles?