Question

Hi buddies!! plz help me .... what is the mechanism of bike and how it is stared after kicking? what are the mechanism involved in it ! what are problems generally faced .. what are the main parts ? what is the role of engine and how it works ? pl give me a long answer!! best answer will be marked as brainliest.....

Answer 1

Lets Look at the different mechanism of a Bike :
1. Working of Engine and Valve :
The are two types of engine commonly used in Motorbikes. They are Two Stroke Engine and Four stroke Engine.
Both the Engines comes under the banner of “Internal Combustion (IC) Engine”. In the two stroke engine, the working cycle is completed in two strokes of tyhe piston or one revolution of the crankshaft. This is achieved by carrying out the suction and compression processes in one stroke (or more precisely in inward stroke), expansion and exhaust prrocess in the second stroke (or more precisely in outward stroke).
2. The Transmission :
The engine converts the explosive energy to mechanical energy, through the reciprocating motion to rotary motion. The power developed from rotary motion is controlled by various systems in a bike. This system is known as the Transmission.The Transmission consists of the clutch, gear-box & final-drive chain all the way upto the to driving wheel.
The clutch is a very important “Link” in the transmission of the bike. Its primary use is to allow the rider to engage and disengage the engine from the wheels. It also takes up most of the load and vibrations from the engine and does not allow it to pass onto the rest of the transmission.
After the clutch comes the gear-box. As the name suggests, a box having set of gears. It allows the rider to use the optimum amount of power from the engine as and how required. The main function of the gear-box is to reduce strain on the engine by supplying efficient power at required time. For Instance, the first gear is lowest and most sensitive gear, which helps in moving of a stationary bike without putting excessive load on the engine. On the other hand use of second gear requires relatively more acceleration and gives more strain on the engine and clutch. A lower gear serves two purposes. They serve as brake and also improve acceleration when required. For instance, while going downhill on a lower gear provides “Braking Power” and during uphill provides extra power.
3. The Electricals :
The main components of an electrical system in the bike are the Battery, Alternator/Dynamo/ Generator/Magneto and Ignition/High-Tension Coil(s). The main function of the system is to provide ignition in the form of a spark to the compressed air+fuel mixture in the cylinder. A battery provides either 6 volts or 12 volts current. But a voltage thousands times higher is needed to create a spark from the spark plug, which can ignite the air+fuel mixture. It’s the high tension coil (Ignition coil) which boosts low voltage current of the battery and provides upto 30,000 volts to the spark plug. A small spark is generated at the distributor, which is converted to a high voltage current, which flows to the spark plug and finally ignites the air+fuel mixture. A contact breaker and rotor, inside the distributor, ensure correct sequence of current to the plug while a condenser attached to the contact breaker serves as a capacitor that minimizes the damage to the contact breaker.Another part, which is at the heart of the electrical system is the Alternator/Dynamo/Generator/ Magneto. This provides a charge to the battery by generating a current.
4. Brakes :
There are two different types of brakes used in bikes, namely: Drum Brakes & Disk Brakes.The Drum Brake has an aluminum/steel/iron drum to which the wheel is attached. The drum and wheel rotate together. The brake shoe plate is bolted on to the chassis and inside the drum lie the brake shoes, which have brake liners on them. The brake liners are either riveted or moulded onto the brake shoes.
When the brake pedal is depressed, a cam (placed between the brake shoes) rotates such that the brake shoes move towards the drum. When the brake shoes grip the rotating drum, the rotating wheel locks/stops.
The Disk Brake has a metal disk instead of a drum fitted to the wheel and the calipers are bolted on to the chassis/shock-absorber pipe. The calipers have pistons and brake pads. The disk brake has to be operated hydraulically. The brake fluid and the actuating cylinder (brake-oil sump) are fitted on the handle bar of the bike. When the brake lever is pressed a non return brake valve operates and sends the brake fluids to the caliper and the piston, the caliper operates thereby forcing the brake pads to move towards the disk and produce the friction which allows you to slow down or stop.
The usual arrangement on a good bike is front disk brake and rear drum brake.
5. Suspension System :
The Front suspension consists of a telescopic fork with hydraulic dampers. It is the straight slider type with two cylindrical coil springs. Steel cover tubes protect the suspension elements.The rear suspension operates on a circular path. The pivoted rear swing arm is sprung by two cylindrical coil springs and fitted with hydraulic dampers. The suspension dampers are protected by chromium plated steel covers.
As per you say, please mark as brainliest..!!!

Answer 2

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