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Anti-lock brake system – ABS Brake system Generally the purpose of the brake is to reduce the speed of the vehicles within a particular distance. The brake system which is presently used in automobiles provides the required braking force for controlling the speed of vehicle. However,nsuddenly or unexpectedly when the vehicle is stopped, the vehicle […]
Disc type brake In New model vehicles disc type brake is widely used apart from drum type brake system. In this type of brake system a circular brake discas shown in Figure is used instead ofbrake drum. Moreover instead of brake shoe flat friction grip is used in this system. When the brake pedal ispressed […]
Servo brake For stopping the heavy vehicles, higher amount of braking force is required.Hence for increasing the braking force the driver has to apply more force on the brake pedal. During long distance travels the driver becomes tired due to the above problem. To avoid this difficulty and help the drivers any one type of […]
Air Brake Generally the performance of hydraulic brake is based on the amount force applied on the brake pedal by the driver. Hence for obtaining high braking force the driver has to press the brake pedal at high force. This causes the driver more tiresome. To eliminate this difficulty and obtaining maximum braking force by […]
Supply of Money Money supply means the total amount of money in an economy. It refers to the amount of money which is in circulation in an economy at any given time. Money supply plays a crucial role in the determination of price level and interest rates. Money supply viewed at a given point of […]
Power brake In mechanical braking system, when the braking force is applied by the driver by pressing the brake pedal due to the mechanical advantage combined with braking force the vehicle is stopped.However, when the vehicle’s weight and speed are increased, the mechanical braking system will be no longer capable of providing sufficient braking force […]
Mechanical brake Mechanical brakes are classified into two different types, they are shown as follow 1. Internal Expanding Brake 2. External Contracting Brake Internally Expanding Brake In this braking system the brake shoes are mounted inside of brake drum and the lower ends of brake shoes are connected with help of anchor pins and brake […]
For the safe and accident free travel the vehicle must be driven under control.we have to drive the vehicle with control.All the mechanical devices invented by human beings must be controlled by the human. As compared to the earlier automobile vehicles, the modern automobile vehicles are faster in speed. Such vehicles are controlled by the […]
Tube A blanket cover like part which is used for storing the air inside the tyre is called as the tube. It is made up of natural or synthetic rubbers. For injecting and releasing air in the tube, tube valve is used. It is a one way valve which helps to send air to the […]
Selection of the tyre The tyre selection for any vehicle is based on the following considerations 1. It should work for a long time. 2. The price of the tyre should be low and should have good quality. 3. The tyre must have the required tread pattern and ply rating for the specific application. 4. […]
Properties of tyre The following are the important properties of the tyres 1. It should be more comfort for traveling. 2. It should be able to withstand vibrations of the road sides. 3. The tyre should give stability to the vehicle when the vehicle is negotiating a turn. 4. Vehicle should stop immediately by creating […]
What is Tyre Tyre is fixed on the rim of wheel in the vehicle. The tube in the tyre is filled with air. The tyre carries the weight of the vehicle and gives smooth ride to the vehicle. Types of tyre The tyre are classified into the following types, 1. Solid tyre 2. Pneumatic tyre […]
What is Wheel? It is well known that how important, are the wheels in automobiles. The vehicle can be pulled even with no engine. However, without the wheels the vehicle cannot be moved at all. Furthermore, the wheels carry the full load of the vehicle and give smooth ride. Besides that the wheels help in […]
Rear axle The engine’s power comes from the differential is transmitted through the rigid shaft called as the rear axle. It is made as two parts such as left side and right side in the vehicle and used. The axle’s inner edge is connected with the sun gear by the splines and outer edge is […]
Connecting methods of bevel gears Based on the arrangement of the teeth in the pinion gear, the connecting methods with crown wheel are classified in to four different types. 1. Straight bevel gears 2. Spiral bevel gears 3. Hypoid gears 4. Worm and worm wheel Straight bevel gears In this type the gear teeth are […]
General Studies Syllabus UNIT – I: HISTORY: MODERN INDIA Advent of European invasion- Effect of British rule on socio-economic factors – Social reforms and religious movements – India since independence – Characteristics of Indian culture – India – a secular state – Organizations for fine arts, dance, drama, music – Growth of rationalist, Dravidian movement […]
UNIT-I : GENERAL SCIENCE (i) Scientific Knowledge and Scientific temper – Power of Reasoning- Rote Learning Vs Conceptual Learning-Science as a tool to understand the past, present and future. (ii) Nature of Universe – General Scientific Laws – Mechanics – Properties of Matter, Force, Motion and Energy – Everyday application of the basic principles of […]
Differential unit When the vehicle moves straight on the road, the rear wheels run in the same way as the front wheels. The propeller shaft is connected to follow this. However,when the vehicle is negotiating a turn,the outer wheels cover larger radius than the inner wheels. The outer wheels rotate more than the inner wheels. […]
Universal joint This is connected at both ends of the propeller shaft. Since the propeller shaft is connected by the universal joint, it transmits the engine’s power at different angles. Slip joint It is connected with the propeller shaft after the universal joint. It moves smoothly according to the movement of rear axle. Figure shows […]
Introduction Propeller shaft is the most important part of transmission system of a vehicle. It is located in between the gear box and the differential unit. One end of the propeller shaft is connected to the gear box and the other end is connected with the differential unit, and transmits the engine power to the […]