Answer :

Final answer:

Using regular foot brakes after the emergency brakes can lead to brakes locking and increased stopping distance, and it can also cause overheating resulting in brake fade. Additionally, it may introduce air into the brake lines, reducing efficiency.

Explanation:

When an emergency brake system (often a brake bottle filled with compressed air) has been used in a vehicle, it indicates that the regular braking system may have failed or that it is being used in a situation that requires sudden deceleration, which could lead to the brakes locking if the regular brakes are used without caution. Using the normal foot brakes after the emergency brakes could result in further loss of vehicle control, especially in adverse conditions such as wet or slippery roads.

Locked brakes can lead to an increased stopping distance, which is especially risky in an already hazardous situation. Moreover, repeated heavy braking can cause overheating, leading to a loss of braking efficiency due to brake fade. This is because the brake system operates by converting kinetic energy into heat, and if the temperature increases too fast without sufficient heat dissipation, it can lead to brake failure. Regular foot brakes, when used after the activation of emergency brakes, may also introduce air into the lines, which needs to be bled out for the brakes to function properly, since air is compressible and reduces brake efficiency.

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Rewritten by : Barada