To what extent should one practice mock tests to pass Subject 1?

What does five-door four-seater mean?

The 'door' here refers to the car door, and the 'seat' refers to the seating. The five doors of a five-door four-seater refer to the four doors of the passenger compartment plus the trunk door, while the four seats mean the car can accommodate four people. Below is a detailed introduction: 1. Basic layout: Family cars or some MPVs generally adopt a five-door five-seater configuration, with the doors mainly divided into the driver's side door, front passenger side door, left rear passenger door, right rear passenger door, and trunk door - totaling five doors. The seats are divided into the driver's seat, front passenger seat, left rear passenger seat, right rear passenger seat, and rear middle seat - totaling five seats. 2. Five-door four-seater layout: The five-door four-seater model is based on the five-door five-seater model but cancels the rear middle seat, replacing it with an armrest box and rear multimedia control area, thereby improving the comfort of rear passengers.

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Which country does Michelin tires come from?

Michelin is a tire manufacturer from France. Here is more information about Michelin: 1. Michelin Group is a global leader in tire technology, established over a century ago in Clermont-Ferrand, France. Throughout its long history, Michelin Group has continuously innovated in tire technology and manufacturing since inventing the first removable bicycle tire in 1889 and the first pneumatic car tire in 1895. The group's headquarters is located in Clermont-Ferrand, France, employing 114,000 people across more than 171 countries with 70 factories in 17 countries, producing 190 million tires in 2017. 2. In addition to tires, Michelin Group also produces rims, steel wires, mobility assistance systems, travel services, maps and travel guides, with its map and guide publishing arm being a leader in this field. On July 19, 2018, Michelin ranked 478th on the Fortune Global 500 list, and on December 2018, it ranked 380th on the World Brand Lab's "2018 World's 500 Most Influential Brands" list.

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What are the causes of timing gear noise?

The causes of noise in the engine timing gear are as follows: 1. Poor lubrication leading to blockage of the main oil passage nozzle hole, improper assembly, or excessively thin diaphragm and excessively small clearance. 2. During maintenance and repair, the cam timing gear assembly is installed crookedly, causing uneven friction between the convex surface and the flange, resulting in sharp metal noise. 3. Excessive gear meshing clearance, presence of impact load, and mutual impact of tooth surfaces produce different sounds. The diagnostic methods for gear noise are as follows: 1. The noise is clearly audible on the side of the engine gearbox, unaffected by temperature and 'fuel cut-off.' The noise caused by excessive meshing clearance occurs during gear transmission. 2. The noise from tooth impact is more noticeable during acceleration. The noise caused by abnormal meshing is similar to a 'howling' sound, and its pitch changes with the speed. 3. If an individual tooth is damaged, a regular impact sound will be produced as the engine operates, and the noise is more noticeable at slightly higher idle speeds. The noise is most clearly heard when a metal rod is pressed against the timing gearbox cover.

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What lights should be turned on when encountering vehicles in foggy weather?

Turn on both front and rear fog lights, and you can also activate the hazard warning lights when encountering vehicles, while using the high-low beam switching. Here are some precautions for driving in foggy weather: 1. Proper use of lights: When driving in foggy weather, the driver should turn on both front and rear fog lights. If the fog is extremely heavy, the hazard warning lights can also be activated. The main purpose of turning on fog lights and hazard warning lights is to allow other drivers to observe better and avoid rear-end or scraping accidents. 2. Timely roadside parking: If heavy fog suddenly appears and there is no time to enter the nearest service area, park the car on the emergency stopping lane of the highway as soon as possible, while turning on the fog lights, width lights, and tail lights. In addition, set up warning signs more than 150 meters away in the direction of oncoming traffic.

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What is the purpose of adding urea to large buses?

The role of adding urea to large buses is as follows: 1. Urea is used for diesel engines because they emit nitrogen oxide pollutants during operation. To reduce the harm of these gases to the atmosphere and humans, urea is employed. When urea encounters nitrogen oxides emitted by diesel engines, 2. it converts them into nitrogen and water, both of which are harmless to the atmosphere and human health. Below is additional information about automotive urea: 1. In vehicles, it primarily serves to purify exhaust gases by reacting with nitrogen oxides in the exhaust to reduce their emissions. With increasingly stringent emission testing for heavy-duty trucks and buses, failure to use automotive urea results in non-compliance. 2. Automotive urea also optimizes engine performance and fuel consumption, reducing diesel consumption by up to 5-7%. 3. Urea is added to treat NOx (nitrogen oxides). Without urea, exhaust emissions cannot meet standards. 4. It is used in cars, trucks, buses, and heavy-duty non-road diesel engine vehicles equipped with SCR systems to purify exhaust gases, reduce nitrogen oxide emissions, optimize engine performance and fuel consumption, and cut diesel consumption by up to 6%, significantly lowering costs.

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What Are the Maintenance Items for Automatic Transmission Vehicles?

Engine oil, transmission fluid, rear axle oil for rear-wheel drive vehicles, oil filter, air filter, fuel filter, and vehicle lighting system, etc. Below is relevant information about vehicle maintenance: 1. First Maintenance: Some manufacturers determine the first maintenance based on time or mileage. The exact timing for the first maintenance should be referred to the vehicle's user manual or warranty manual. The first maintenance is very important and is usually free, so it is crucial to remember to get it done to avoid missing it, which could affect the vehicle's third maintenance. 2. Maintenance Items: The main maintenance items for a vehicle include replacing engine oil, oil filter, transmission fluid, spark plugs, cabin air filter, engine air filter, brake fluid, etc. However, not all items need to be replaced during every maintenance session; this depends on their service life. In addition, maintenance also involves the inspection and upkeep of dozens of items across multiple systems such as the engine, transmission, air conditioning system, steering system, braking system, suspension, body, and tires.

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To what extent should one practice mock tests to pass Subject 1?

What does five-door four-seater mean?

Which country does Michelin tires come from?

What are the causes of timing gear noise?

What lights should be turned on when encountering vehicles in foggy weather?

What is the purpose of adding urea to large buses?

What Are the Maintenance Items for Automatic Transmission Vehicles?

What to Learn on the First Day of Driving an Automatic Transmission Car?

What are the differences between dry and wet dual-clutch systems?

What is the recommended driving speed in fog with 50 meters visibility?

Why is there water coming out of the car's exhaust pipe?