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

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

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Automobile Engineering in ME
The main feature of Macpherson strut suspension is that

The assembly is slightly more complicated in design
The vertical size of the suspension can be made more compact
Non vertical external forces are supported by the suspension arms
The unsprung mass in lighter

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