# The Functions Of Brakes

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Learning Objective
At the end of this topic, you will be able to understand about:

• Brakes
Introduction:
Brakes are classified into six types based on the nature of power employed. Brakes are employed to stop the vehicle in the least possible distance.
The following media (Brakes) explains about the functions and types of brakes.
Original OST
In this media, you will learn about ‘Brakes’.
Brake:
Brake is one of the vital control parts of a vehicle. Brakes are needed to stop the vehicle in the least possible distance and this can be done by transforming the wheels kinetic energy into the heat energy.
The heat energy is scattered into the atmosphere.
Functions of Brakes
There are two functions of the brakes.
They are:
1. Brakes are used
• Brakes are used for controlling the speed of the vehicle while moving on hills and plain roads.
• Brakes, when applied must not disrupt steering geometry.
• The brakes must work uniformly well in all weathers.
• According to the method of braking contact, brakes are divided into two types.
• Brakes are divided into six types based on the nature of power employed.

Summary:
Thus, from this topic you have learned about ‘Brakes’. The brakes must work evenly well on good or bad roads. Brakes are divided into two types based on their application. Brakes are one of the important parts of a vehicle. Quiz:
1. Example for external contracting brakes is disc brakes of automobile. (True / False)
2. The brakes must work uniformly well on good or bad roads. (True / False)
3. Brakes, when applied must disrupt steering geometry. (True / False)
4. Pedal effort exercised by the driver must be such that it will not put excess stress on the driver. (True / False)

Fill in the Blanks:

1. Brakes are divided into ________types based on the nature of power employed.
a. five
b. six
c. four
three
b. four
c. two

Assignment:
Functions of Brakes
There are two functions of the brakes. They are:
• Brakes are used to stop the vehicle or slow down the vehicle in the least possible distance in emergency situations.
• Brakes are used for controlling the speed of the vehicle while moving on hills and plain roads.
Requirements of a good braking system:
1. The brakes must stop the vehicle in the least possible distance and time.
2. The brakes must work uniformly well on good or bad roads.
3. Pedal effort exercised by the driver must be such that it will not put excess stress on the driver.
4. The brakes must work uniformly well in all weathers.
5. The brakes must have few wearing parts.
6. The brakes should need little maintenance.
7. Brakes, when applied must not disrupt steering geometry.
8. The sound that results from applying brakes should be at a bare minimum.
Fill in the Blanks:
1. ___________ are used to stop the vehicle or slow down the vehicle in the least possible distance in emergency situations.
a. Brakes
b. Tyres
c. Both a and b
2. The brakes must stop the vehicle in the least possible ________ and time.
a. distance
b. speed
c. velocity

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