Dydynamicity: When a car is driven in a straight line on a good road, the average driving speed that can be achieved is determined by the longitudinal external force on the car. Economy: Under the condition of ensuring power, the car has the ability to drive economically with as little fuel consumption as possible.
In automobile theory, the body is a crucial link as follows: structurally, it integrates the engine, gearbox, chassis and electrical system into itself, while providing a safe and closed space for drivers and passengers. In terms of appearance, the shape of the car body directly affects the image temperament and style characteristics of the car.
In automobile theory, there are a series of indicators to evaluate engine performance.Such as power indicators, economic indicators, strengthening indicators, compact indicators, environmental indicators, reliability indicators, durability indicators, manufacturability indicators, internal combustion engine speed characteristics, etc.
Chapter 6. The smoothness of automobiles; Chapter 7, The passability of automobiles; Exercises; Chapter 1 The dynamics of automobiles 1 Try to explain the definition of tire rolling resistance, the mechanism and form of action.
"Automotive Theory" is a course that trains students to have knowledge of automobile theory and professional basics. By teaching the basic performance of automobile power, fuel economy, braking, overweight stability, driving stability and passability.
"Automotive Theory" is a professional core course of vehicle engineering. It mainly studies the performance of cars and points out the basic ways to design cars correctly and use them reasonably. The course has the characteristics of complex content, strong comprehensiveness, abstract theoretical knowledge, etc. Whether it is the teaching of the course teacher or the learning of students, it is not easy.
Auto repair major mainly studies mechanical design, mechanical inspection, mechanical manufacturing technology, mechanical design, metal technology, electricityCourses such as engineering principles, engineering diagrams, electronic technology, introduction to automobiles, automobile structure, automobile electronic and electrical equipment, automobile inspection and maintenance, automobile service, automobile application, automobile beauty, engine principle and automobile theory.
II What is the course of "Automobile Maintenance Engineering" used for? This course is a theoretical course for practical training courses in automobile maintenance in the future, which allows you to understand and master the problems and operation methods that will arise in automobile maintenance in words, so that you will not be able to Busy with a mess of fog.
Auto repair major mainly studies automobile structure and disassembly, engine overhaul, automobile chassis overhaul, automobile transmission system overhaul, automobile driving system overhaul, automobile electrical equipment principle and overhaul, automobile electronic control system overhaul, automobile use and technologyTechnical management, comprehensive automobile fault diagnosis, automobile professional English, automobile marketing, motor vehicle insurance and claims settlement, etc.
Automotive electrical part. The dashboard, headlights, electric tailgates, etc. on the car are all related to the car circuit, and in real life, this is also where cars often need to use it. The chassis part of the car.
The Department of Mechanical and Electrical Engineering includes mechanical and electrical engineering, but sometimes it is also used as the abbreviation of mechanical and electronic engineering majors.
(If you want to take the postgraduate entrance examination of vehicle engineering at Wuhan University of Technology, you can contact me for professional course materials. I have past papers, martial arts homework questions, automobile theory question bank, and martial arts teacher's courseware PPT, etc., which don't need to waste money to buy at all).
Dalian Institute of Technology is still a relatively popular school. In previous years, professional courses could choose between materials mechanics and automobile theory. This year, due to the reform, different professional courses have been admitted separately. 01 exam is materials mechanics, and 03 exam is automotive theory. The majors are all mathematics and English.
1. Scientific and reasonable assessment methods play a positive role in promoting the teaching of the Automobile Theory course, which can stimulate students' enthusiasm for learning and cultivate students. The innovative ability is conducive to the development of students' personality.
2. At present, there are still some schools' assessment methods for students based on the results of the final exam paper and the closed written test.The assessment method can only reflect students' mastery of concepts, terms and other aspects of knowledge, and cannot fully reflect students' professional ability to receive automobile maintenance business.
3. The assessment method of the course should not only reflect the students' ability to master basic knowledge, but also highlight the students' practical ability and innovation awareness. Therefore, the performance assessment should include basic knowledge assessment, practical ability assessment, innovation ability assessment, etc.
Automobile theory is easy to learn. Display according to the query career circle. Mechanical application engineering is relatively difficult to learn. There are many things to understand, especially force analysis, and as long as you have a good memory, you will be able to pass the automobile theory. There are some gaps.
The postgraduate entrance examination for mechanical principles and mechanical design will be more difficult than automobile theory.Because the knowledge points involved in mechanical principles and mechanical design are relatively basic and extensive, candidates need to master the knowledge of mechanical drawing, mechanical parts, institutional design, material mechanics, etc., and the basic knowledge requirements for candidates are high.
Car theory is to understand how a car can run steadily and sit comfortably. It focuses on theory, based on higher mathematics and theoretical mechanics. Car design is how to design or select some parts to make the car meet the design expectations. Overall, it is not difficult to learn, but you must learn professional courses well.
Of course, it is not difficult to get started. Two years after graduating from college, our company became the backbone of the department. ( Of course, it has a lot to do with the movement of personnel). But it's not easy to do it well. When you go to college with a solid theoretical foundation, you must learn these courses well.You should even learn it thoroughly.
The rear axle is a 4x2 cargo vehicle with twin tires, with a total of six tires, and the load of the front and rear axles should be 1/3 and 2/3 of the total mass respectively. For rear-drive cars, the rear axle load should not exceed 59% when fully loaded, so as to avoid tire overloading and uphill tilting backwards.
The front and rear axle loads when the car accelerates uphill are respectively, so the acceleration has no effect on the axle load. Please evaluate this point of view and explain the reasons. This view is incorrect.
When the car is stationary, the front and rear axle loads are balanced, and the faxal reaction force is evenly distributed. During the braking process, the load between the action shafts of the car's inertial force will be redistributed.During the braking process, the car is affected by inertia, and the front wheel load becomes larger.
The ground adhesion coefficient when the front and rear wheels are held at the same time is called the synchronous adhesion coefficient. Of course, the axle load is related to the brake force, and the axle load will affect the distribution of brake force.
The main impact on automobile braking is the change of the front and rear axle load of the automobile. Theoretically, the fathical reaction force on the front and rear wheels is equal to the vertical load of the wheel, and the sathical reaction force during braking affects the magnitude of the friction force acting on the wheel. When the car is stationary, the front and rear axle loads are balanced, and the manal reaction force is evenly distributed.
When a car brakes, the ratio of the braking force of the front and rear axles is smaller than the ratio of the vertical load of the front and rear axles, and its braking stability is analyzed.
*
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Dydynamicity: When a car is driven in a straight line on a good road, the average driving speed that can be achieved is determined by the longitudinal external force on the car. Economy: Under the condition of ensuring power, the car has the ability to drive economically with as little fuel consumption as possible.
In automobile theory, the body is a crucial link as follows: structurally, it integrates the engine, gearbox, chassis and electrical system into itself, while providing a safe and closed space for drivers and passengers. In terms of appearance, the shape of the car body directly affects the image temperament and style characteristics of the car.
In automobile theory, there are a series of indicators to evaluate engine performance.Such as power indicators, economic indicators, strengthening indicators, compact indicators, environmental indicators, reliability indicators, durability indicators, manufacturability indicators, internal combustion engine speed characteristics, etc.
Chapter 6. The smoothness of automobiles; Chapter 7, The passability of automobiles; Exercises; Chapter 1 The dynamics of automobiles 1 Try to explain the definition of tire rolling resistance, the mechanism and form of action.
"Automotive Theory" is a course that trains students to have knowledge of automobile theory and professional basics. By teaching the basic performance of automobile power, fuel economy, braking, overweight stability, driving stability and passability.
"Automotive Theory" is a professional core course of vehicle engineering. It mainly studies the performance of cars and points out the basic ways to design cars correctly and use them reasonably. The course has the characteristics of complex content, strong comprehensiveness, abstract theoretical knowledge, etc. Whether it is the teaching of the course teacher or the learning of students, it is not easy.
Auto repair major mainly studies mechanical design, mechanical inspection, mechanical manufacturing technology, mechanical design, metal technology, electricityCourses such as engineering principles, engineering diagrams, electronic technology, introduction to automobiles, automobile structure, automobile electronic and electrical equipment, automobile inspection and maintenance, automobile service, automobile application, automobile beauty, engine principle and automobile theory.
II What is the course of "Automobile Maintenance Engineering" used for? This course is a theoretical course for practical training courses in automobile maintenance in the future, which allows you to understand and master the problems and operation methods that will arise in automobile maintenance in words, so that you will not be able to Busy with a mess of fog.
Auto repair major mainly studies automobile structure and disassembly, engine overhaul, automobile chassis overhaul, automobile transmission system overhaul, automobile driving system overhaul, automobile electrical equipment principle and overhaul, automobile electronic control system overhaul, automobile use and technologyTechnical management, comprehensive automobile fault diagnosis, automobile professional English, automobile marketing, motor vehicle insurance and claims settlement, etc.
Automotive electrical part. The dashboard, headlights, electric tailgates, etc. on the car are all related to the car circuit, and in real life, this is also where cars often need to use it. The chassis part of the car.
The Department of Mechanical and Electrical Engineering includes mechanical and electrical engineering, but sometimes it is also used as the abbreviation of mechanical and electronic engineering majors.
(If you want to take the postgraduate entrance examination of vehicle engineering at Wuhan University of Technology, you can contact me for professional course materials. I have past papers, martial arts homework questions, automobile theory question bank, and martial arts teacher's courseware PPT, etc., which don't need to waste money to buy at all).
Dalian Institute of Technology is still a relatively popular school. In previous years, professional courses could choose between materials mechanics and automobile theory. This year, due to the reform, different professional courses have been admitted separately. 01 exam is materials mechanics, and 03 exam is automotive theory. The majors are all mathematics and English.
1. Scientific and reasonable assessment methods play a positive role in promoting the teaching of the Automobile Theory course, which can stimulate students' enthusiasm for learning and cultivate students. The innovative ability is conducive to the development of students' personality.
2. At present, there are still some schools' assessment methods for students based on the results of the final exam paper and the closed written test.The assessment method can only reflect students' mastery of concepts, terms and other aspects of knowledge, and cannot fully reflect students' professional ability to receive automobile maintenance business.
3. The assessment method of the course should not only reflect the students' ability to master basic knowledge, but also highlight the students' practical ability and innovation awareness. Therefore, the performance assessment should include basic knowledge assessment, practical ability assessment, innovation ability assessment, etc.
Automobile theory is easy to learn. Display according to the query career circle. Mechanical application engineering is relatively difficult to learn. There are many things to understand, especially force analysis, and as long as you have a good memory, you will be able to pass the automobile theory. There are some gaps.
The postgraduate entrance examination for mechanical principles and mechanical design will be more difficult than automobile theory.Because the knowledge points involved in mechanical principles and mechanical design are relatively basic and extensive, candidates need to master the knowledge of mechanical drawing, mechanical parts, institutional design, material mechanics, etc., and the basic knowledge requirements for candidates are high.
Car theory is to understand how a car can run steadily and sit comfortably. It focuses on theory, based on higher mathematics and theoretical mechanics. Car design is how to design or select some parts to make the car meet the design expectations. Overall, it is not difficult to learn, but you must learn professional courses well.
Of course, it is not difficult to get started. Two years after graduating from college, our company became the backbone of the department. ( Of course, it has a lot to do with the movement of personnel). But it's not easy to do it well. When you go to college with a solid theoretical foundation, you must learn these courses well.You should even learn it thoroughly.
The rear axle is a 4x2 cargo vehicle with twin tires, with a total of six tires, and the load of the front and rear axles should be 1/3 and 2/3 of the total mass respectively. For rear-drive cars, the rear axle load should not exceed 59% when fully loaded, so as to avoid tire overloading and uphill tilting backwards.
The front and rear axle loads when the car accelerates uphill are respectively, so the acceleration has no effect on the axle load. Please evaluate this point of view and explain the reasons. This view is incorrect.
When the car is stationary, the front and rear axle loads are balanced, and the faxal reaction force is evenly distributed. During the braking process, the load between the action shafts of the car's inertial force will be redistributed.During the braking process, the car is affected by inertia, and the front wheel load becomes larger.
The ground adhesion coefficient when the front and rear wheels are held at the same time is called the synchronous adhesion coefficient. Of course, the axle load is related to the brake force, and the axle load will affect the distribution of brake force.
The main impact on automobile braking is the change of the front and rear axle load of the automobile. Theoretically, the fathical reaction force on the front and rear wheels is equal to the vertical load of the wheel, and the sathical reaction force during braking affects the magnitude of the friction force acting on the wheel. When the car is stationary, the front and rear axle loads are balanced, and the manal reaction force is evenly distributed.
When a car brakes, the ratio of the braking force of the front and rear axles is smaller than the ratio of the vertical load of the front and rear axles, and its braking stability is analyzed.
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