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gtm84 brakes > Brakes > Flashcards

Brakes Flashcards

1
Q

What is the purpose of brakes

A

To slow and a stop a vehicle in a safe manner

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2
Q

Whay energy does heat energy get converted from when braking?

A

Kinetic energy

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3
Q

What are the two types of brakes

A

Brake shoe and drum - Brake pad and disc

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4
Q

Name 4 factors that can affect braking

A

Road surface, road conition, vehicle weight, load on wheel, manoevures and tyres

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5
Q

What links the cross shaft to the brake operating levers?

A

Adjustable rods

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6
Q

If the rods are adjusted so there is a bigger gap on the right than the left. What will happen when the brakes are operated?

A

Car will drift left

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7
Q

True or false?

All mechanical brake systems are shoe and drum

A

True

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8
Q

What component houses a majority of the other components

A

Back plate

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9
Q

What prevents shoes being dragged by moving drum

A

Shoe anchor

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10
Q

What type of steady post holds the shoe off of the back plate?

A

Adjustable type (hold off)

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11
Q

What is the main disadvantage of the shoe and drum?

A

Brake fade

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12
Q

What is brake fade?

A

When components get too hot and require for effort to brake

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13
Q

What is the handbrake attached to?

A

Cross shaft

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14
Q

What is the name given to the first shoe after the expander in direction of travel?

A

Leading shoe

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15
Q

How many expanders are in a twin leading shoe arrangement?

A

2

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16
Q

What is a shoe made up from?

A

Web and lining

17
Q

Hydraulic fluid must have high viscosity. True or false?

A

False

18
Q

What is the main disadvantage of brake fluid?

A

It is Hygroscopic

19
Q

What are the two ports called in a hydraulic brake cylinder?

A

Compensating and supply ports

20
Q

What operates the piston?

A

Brake pedal

21
Q

What indicates to you a difference in pressure within the lines?

A

Pressure differential warning indicator

22
Q

What cylinders are used on a twin leading arrangement?

A

Single acting

23
Q

What are the 2 types of discs?

A

Solid and vented

24
Q

What does a pad consist of?

A

Friction material bonded to metal plate

25
Q

Where are the pads housed?

A

Calipers

26
Q

What is the fluid chamber?

A

The area behind the piston

27
Q

What releases the brake pad from the disc?

A

The seal inbetween the piston and cylinder

28
Q

True or false? All disc and pad systems are self-adjusting?

A

True

29
Q

What are the characteristics of a multi-piston?

A

Space saver and L system split

30
Q

How many pistons does a floating caliper have?

A

1

gtm84 brakes (2 decks)

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