What License is Required for an Electric Motorcycle?

What are the types of engines?

Types of engines: 1. Classification by ignition method: spark-ignition engines and compression-ignition engines; 2. Classification by working cycle: four-stroke engines and two-stroke engines; 3. Classification by fuel type: gasoline engines, diesel engines, liquefied petroleum gas (LPG) engines, and dual-fuel engines; 4. Classification by camshaft position and number: engines with camshafts mounted on the cylinder head and engines with camshafts mounted in the cylinder block, and by the number of camshafts: single-camshaft engines, dual-camshaft engines, and quad-camshaft engines.

18

0

Share

What does 'aoff' mean inside a car?

In a car, 'aoff' refers to the auto start-stop switch of the engine. The auto start-stop system automatically shuts off the engine when the vehicle comes to a temporary stop during driving and restarts the engine when it's time to move forward again. Once this function is activated, simply pressing the brake pedal during driving will cause the engine to automatically shut off approximately two seconds after the vehicle comes to a complete stop. The engine will remain off as long as the brake pedal is held down. Releasing the brake or turning the steering wheel will immediately trigger the engine to restart automatically, and the car can be driven by pressing the accelerator pedal directly.

8

3

Share

What to Do When the Car Has Power but Won't Start?

The methods to handle a car that has power but won't start are: 1. Check if the vehicle's gear is in the P position; 2. Turn the steering wheel slightly further from its original position while turning the key; 3. Inspect whether the throttle, controller, wiring, or motor are damaged. If any damage is found, take the car to a repair shop for maintenance. When the car fails to start, avoid continuously cranking the engine. It is incorrect to crank for three to five seconds without success and then keep trying. Instead, wait a few seconds before attempting to start again. Starting the car puts the most strain on the battery, and frequent starting can significantly impact battery discharge and even reduce its lifespan.

2

0

Share

What are the reasons for the burner flameout after 5 seconds of ignition?

There are many reasons for the burner flameout after ignition: unstable gas supply causing flame fluctuation and extinguishment, flame detector failure during operation where the flame detection probe is grounded or too dirty to detect normal flame, resulting in flameout; circuit faults such as unstable power supply or phase loss, causing flameout during the process, etc. 1. When the accessories are not damaged, the reasons are: the most common is the flame signal problem, where there is no sensing, weak sensing, or signal transmission failure. This fault usually results in flameout within 10 seconds of ignition. Internal pressure issue, which means the current power of the burner does not match the overall pressure formed by combustion gases in the equipment combustion chamber or flue. This fault often results in a flameout after hearing a loud bang or strong breathing sound during ignition. 2. Additional information: The burner's oil nozzle should be properly installed and the ignition electrode should be adjusted correctly, the motor rotation direction should be correct, the external circuit connections should meet the requirements, and a cold-state simulation of the burner should be conducted based on the circuit conditions to observe that all components of the equipment during operation should be normal and the flame detection protection part should function properly.

3

0

Share

Do You Still Need a Reversing Camera If You Have a Parking Sensor?

Having a parking sensor still requires installing a reversing camera. The parking sensor is a basic parking assistance device that alerts the driver about surrounding obstacles through sound, while the reversing camera provides a more intuitive display to warn the driver about nearby obstacles, offering a comprehensive view of the rear situation. Main components of a parking sensor: 1. Ultrasonic sensor: Its primary function is to emit and receive ultrasonic signals, inputting the signals into the main unit for display on the device; 2. Controller: Processes the signals to calculate the distance and direction between the vehicle and obstacles; 3. Display or buzzer: When the sensor detects that the vehicle is at a dangerous distance from an obstacle, the system alerts the driver through the display and buzzer.

7

4

Share

How to Deal with Oil Leakage in a Car?

Methods to handle oil leakage in a car: 1. Pay attention to the role of gaskets. The gaskets between the static parts of the car components play a role in preventing leakage and sealing; 2. Replace failed oil seals on many car components in a timely manner; 3. Avoid clogging the check valve and vent valve. Oil leakage faults will directly affect the technical performance of the car, leading to the waste of lubricating oil and fuel, consuming power, affecting the cleanliness of the car's appearance, and causing environmental pollution. Due to oil leakage and the reduction of lubricating oil inside the machine, poor lubrication and insufficient cooling of the components may occur, leading to early damage of the components and even leaving potential safety hazards. Engine oil is the lubricating oil used by the engine, composed of base oil and additives.

4

5

Share

What License is Required for an Electric Motorcycle?

What are the types of engines?

What does 'aoff' mean inside a car?

What to Do When the Car Has Power but Won't Start?

What are the reasons for the burner flameout after 5 seconds of ignition?

Do You Still Need a Reversing Camera If You Have a Parking Sensor?

How to Deal with Oil Leakage in a Car?

What is the issue with severe car brake diving?

Is Li Auto a domestic or joint venture car?

What are the differences between the A7 and A7L?

What are the causes of a vehicle braking system failure?