1. Two basic types of friction are at work in the brake ...

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1. Two basic types of friction are at work in the brake system. These are:

A. Static and

dynamic

B. Disc and drum

C. Moving and

stopping

D. Kinetic and static

2. Technician A says it takes more force to move some materials over a surface than others, even

though the applied pressure and the amount of surface in contact are the same. Technician B says

different materials have the same frictional characteristics or coefficients of friction.

A. A only

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B. B only

C. Both A and B

D. Neither A nor B

3. Technician A says if pads and linings are soft and wear fast, the vehicle may have very good braking ability, but friction material life will be short. Technician B says if friction material is hard and wears slowly for long life, it will create a high coefficient of friction and good stopping ability.

A. A only

B. B only

C. Both A and B

D. Neither A nor B

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