What to Prepare Before the Subject 1 Exam?

What Are Brake Pads Made Of?

Automotive brake pads can be primarily categorized into the following types based on their materials: 1. Asbestos-type brake pads. These were the earliest type used in brake pads to enhance strength. Due to their low cost and certain high-temperature resistance, they were widely used. Asbestos materials have been medically proven to be carcinogenic and are now banned. 2. Semi-metallic brake pads. These mainly use metal materials to increase the strength of the brake pads, while also offering better temperature control and heat dissipation than traditional materials. Since these pads contain a higher proportion of metal, especially in low-temperature environments, excessive braking pressure can cause surface wear between the brake disc and drum, leading to noise. 3. Low-metallic brake pads. These are somewhat similar to semi-metallic brake pads, featuring fine fibers and particles, but with lower metal content. This reduces wear on the brake drum and minimizes noise, though the lifespan of these pads is shorter than that of semi-metallic ones. 4. Ceramic brake pads. These use new ceramic materials that are lightweight, heat-resistant, and wear-resistant, offering advantages such as no noise, no dust, no corrosion on wheel hubs, long service life, and environmental friendliness. 5. NAO (Non-Asbestos Organic) brake pads. These were developed as a replacement for asbestos. They offer benefits like no dust pollution, minimal wear, low noise, and significantly extended service life. Compared to asbestos brake pads, they perform better, especially in terms of being pollution-free, but they come at a higher cost.

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Is the Haval H6 a four-wheel drive vehicle?

Haval H6 does not have four-wheel drive models; all Haval H6 models are front-wheel drive. The Haval H6 is a compact SUV under the Haval brand. This vehicle is equipped with three types of engines: a low-power version 1.5-liter turbocharged engine, a high-power version 1.5-liter turbocharged engine, and a 2.0-liter turbocharged engine. All three engines are paired with a 7-speed dual-clutch transmission. The dual-clutch transmission offers fast gear shifts and high transmission efficiency. The low-power version 1.5-liter turbocharged engine delivers a maximum torque of 150 horsepower and 210 Nm. This engine reaches its peak power at 5600 rpm and its maximum torque between 1800 to 4400 rpm. It features VVT technology and multi-point fuel injection, with an aluminum alloy cylinder head and block. The high-power version 1.5-liter turbocharged engine produces a maximum torque of 169 horsepower and 285 Nm. This engine achieves its peak power between 5000 to 5600 rpm and its maximum torque between 1400 to 3600 rpm. It is equipped with direct fuel injection technology and an aluminum alloy cylinder head and block. The 2.0-liter turbocharged engine generates a maximum torque of 224 horsepower and 385 Nm. This engine reaches its peak power at 5500 rpm and its maximum torque between 1800 to 3600 rpm. It incorporates DVVT technology and direct fuel injection, with an aluminum alloy cylinder head and a cast iron cylinder block.

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What is the fuel tank capacity of the Elantra in liters?

The fuel tank capacity of the Elantra is 47L, as officially announced. Owners who have purchased the Elantra can also check this information on the vehicle's configuration sheet. The Elantra uses 92-octane fuel, with a fuel consumption of 5.2-5.4L per 100 kilometers. A full tank can cover a distance of 870-903km. During daily driving, it is necessary to always pay attention to the remaining fuel level in the tank. This is usually observed through the fuel gauge inside the car. If there are no other issues, the fuel level will be accurately reflected on the gauge. The fuel gauge typically has 5 to 6 segments. Generally, when the fuel gauge shows only 2 segments remaining, it's time to refuel to avoid running out of fuel midway. During actual refueling, the amount of fuel may exceed the calibrated capacity. This is because the fuel tank capacity specified by the car manufacturer is measured from the bottom of the tank to the safe limit level. There is additional space from the safe limit level to the tank opening, which is designed to allow for fuel expansion when temperatures rise, preventing overflow. If fuel is filled up to the tank opening during refueling, the actual amount of fuel added may exceed the calibrated tank capacity.

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What is the reason for no response in headlight left-right adjustment?

No response in headlight left-right adjustment is due to the malfunction of the internal adjustment motor in the headlight, and replacing the motor can solve the issue. Below are specific details about headlight adjustment: Precautions: It should be noted that the width of the headlights is generally preset at the factory, and self-adjustment is not recommended. If there is any deviation, minor adjustments can be made. During adjustment, the right headlight beam can be slightly adjusted to the right, which can provide better visibility of the right side of the road during low-visibility conditions such as rain or fog. However, it is more advisable to have a professional adjustment done at a 4S shop or repair shop. Adjustment Method: Park the car 10 meters away from a wall, measure the distance from the car's low beam to the central axis, the distance from the high beam to the central axis, and the distance from the low beam to the ground. Then move to the wall and mark the corresponding points on the wall. Next, observe whether the headlight beams are offset left or right or too high or low. If the center of the headlight beam does not align with the marked points, it indicates an offset. This can be adjusted by rotating the headlight width adjustment knob to align the center of the headlight beam with the marked points on the wall.

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Which country is the Tesla brand from?

Tesla is an American electric vehicle brand that manufactures and sells electric cars, solar panels, and energy storage devices. Its headquarters is located in Palo Alto, Silicon Valley, California, USA. The main models include Tesla Roadster, Tesla Model S, Tesla Model X, Tesla Model S P85D, and Tesla Model 3. Key milestones in Tesla's development are as follows: On July 1, 2003, Martin Eberhard and his long-term partner Marc Tarpenning co-founded Tesla Motors. In February 2004, Elon Musk invested $6.3 million in Tesla through a meeting, officially launching Tesla's legendary journey. In October 2008, the first batch of Tesla Roadsters rolled off the production line and began deliveries. In 2009, Barack Obama and Steven Chu visited Tesla's factory, and Tesla successfully secured a $464 million low-interest loan from the U.S. Department of Energy. In 2012, the first electric sports car from the new "Model S" series, produced at Tesla's Fremont, California factory, was officially delivered. In 2014, Tesla achieved record car sales in the fourth quarter, with annual revenue exceeding $2 billion. In 2019, Tesla officially announced that the domestically produced Tesla Model 3 was open for pre-orders.

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What does it mean when the ST light is on in a truck?

Truck ST light on reasons are as follows: ST is the brake light filament breakage warning light. The dashboard displays an image composed of an S and a T. When this light comes on, promptly check if the brake light filament is broken and address the issue immediately. If the brake light filament is not broken, it may indicate a fault with the circuit breaker. Extension: Indicator lights displayed on the dashboard include: door status indicator, parking indicator, various dashboard indicators, battery indicator, fuel indicator, washer fluid indicator, electronic throttle indicator, front and rear fog light indicators, turn signal indicators, high beam indicator, seat belt indicator, recirculation indicator, and width indicator, among others.

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What to Prepare Before the Subject 1 Exam?

What Are Brake Pads Made Of?

Is the Haval H6 a four-wheel drive vehicle?

What is the fuel tank capacity of the Elantra in liters?

What is the reason for no response in headlight left-right adjustment?

Which country is the Tesla brand from?

What does it mean when the ST light is on in a truck?

Where is the engine number located on the JAC Tongyue?

Detection Methods for Air Flow Meters

What Causes the Engine Oil Warning Light to Illuminate?

When is the first maintenance for Volkswagen?