Automobile Engineering in ME
The main function of a master cylinder is to

Convert brake pedal force into hydraulic pressure
Adjust the extent of brake pedal free play
Boost the force applied to brake pedal
Ensure that all the wheel brakes are supplied with the same amount of fluid pressure

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Automobile Engineering in ME
When the front wheels of a vehicle are locked during braking, then

Rear tyres skid across the road surface, and the vehicle spins around
Stopping distance becomes extremely long
Driver loses control over the steering, and the vehicle continues moving in its current direction
Front tyres skid across the road surface, and the vehicle spins around

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Automobile Engineering in ME
The path taken by intake air is

Air cleaner carburettor (or throttle body) intake manifold intake ports cylinders
Air cleaner intake manifold carburettor (or throttle body) intake ports cylinders
Air cleaner carburettor (or throttle body) intake ports intake manifold cylinders
Carburettor (or throttle body) air cleaner intake manifold intake ports cylinders

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