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Chapter: Mechanical - Automobile Engineering - Steering, Brakesa and Suspension Systems

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Important Questions and Answers: Steering, Brakesa and Suspension Systems

Mechanical - Automobile Engineering - Steering, Brakesa and Suspension Systems


STEERING, BREAKS AND SUSPENSION


 

1.  How is power developed in automobiles?

 

The power is transferred to rear axle through clutch, gearbox, propeller shaft and differential unit.

 

2.     Classify wheels.

a.     Disc wheel

b.     Wire wheel

c.      Split wheel

d.     Light alloy wheel

3.     Write down the types of tread patterns in tyres.

a.     Rib pattern

b.     Lug pattern

c.      Rib-and-Lug pattern

d.     Block pattern

4.     What is meant by the term ‘tread’?

 

The tread is an external rubber layer preventing the carcass from wear and external damage which are produced by the road surface.

 

5.     State the important parameters in radial type.

1.     Performance of the tyre

2.     Shape of the tyre

 

6.     Name the various materials used in manufacturing of tyres.

i.       Nylon

ii.     Terylene

iii.  Rubber

iv.  Glass fiber

v.     Steel

7.     Write down the basic constituents of a tyre.

 

1.     Rubber natural or synthetic

 

2.     Nylon or Rayon cord fabric

3.     Steel

8.     What are the inspecting methods used in tyres?

1.     Visual inspection

2.     Thorough inspection.

9.     Describe 154 SR-14 in tyre designation.

 

The code 154 SR-14 refers to the tyre having speed rating upto 170kmph of radial tyre and the width of W=154mm with D=14inches.

 

10. Define tube vulcanization.

 

The process of repairing a punctured tube is known as tube vulcanization.

 

11. What is meant by camel block?

Fresh tread material is known as ‘Camel Block’ is placed around the tread and put in retreading machine and clamped.

 

12. What is wheel balancing?

 

Balancing the wheel assemblies correctly to avoid such vibration is known as wheel balancing.

 

13.                        Classify wheel balancing.

1.     Static balance

2.     Dynamic balance

14.                        Classify air suspension system.

a.     Bellow type air suspension

b.     Piston type air suspension

15.                        State Pascal’s law.

 

It states that the total pressure acting on the transmission system is equal to the sum of pressures acting in all directions without any losses.

 

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