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C1 Driving License Theory Questions > Breaking System > Flashcards

Breaking System Flashcards

1
Q

Youre Driving a vehicle fitted with anti-lock brakes. What should you do when braking in an emergency

A

Apply firm, continuous pressure to the brake pedal

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2
Q

Your vehicle has anti-lock brakes. How does this affect you when youre braking normally

A

Theres no need to alter the way you brake

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3
Q

The emergency line is common to both two line and three line brake systems. what colour is it

A

Red

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4
Q

What causes Brake fade

A

continuous use of the brakes

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5
Q

Which component will last longer when you use a retarder

A

The brake lining

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6
Q

When are exhaust brakes most efficient

A

At high engine speed while in low gears

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7
Q

You have to drive onto a muddy building site. Why should you switch off your driff-lock

A

To make the wheels less likely to spin

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8
Q

What should you do if the brake air- pressure warning light comes on while youre driving

A

stop and get help without delay

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9
Q

Your vehicle is fitted with hydraulic brake . Why might the brake pedal go down too far when its pressed.

A

There isnt enough fluid in the braking system

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10
Q

Whats brake fade?

A

Reduction of braking effectiveness

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11
Q

Whats the principal braking system on a lorry called

A

The service brake

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12
Q

what should you do when driving a large vehicle down a steep hill

A

use the endurance brake

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13
Q

What can coasting downhill seriously affect

A

The air brakes

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14
Q

Your vehicle if fully loaded where should you be braking when dealing with bends

A

When driving in a straight line

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15
Q

Your lorry is equipped with anti-lock brake. Whats the correct procedure for stopping in an emergecny

A

Apply the footbrake firmly and continuously until the vehicle has stopped

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16
Q

Where would you see a escape lane

A

down a steep hill

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17
Q

Youre about to drive an unfamiliar vehicle. What should you do if you think there may be moisture in the air-brake reservoir

A

Find out whether you need to drain the system manually

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18
Q

When would you use an escape lane

A

when the brakes have failed

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19
Q

Youve just started the engine. What must you do if the brake air pressure warning light is showing

A

Keep the parking brake on

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20
Q

Youre driving down a long hill what should you use to prevent the brakes from overheating

A

The endurance brake (Retarder)

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21
Q

When is trailer swing most likely to occur on a lorry and drawbar combination

A

While youre braking on a bend

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22
Q

Your vehicle is fitted with an antilock braking system. When should you check that its working properly

A

Before every journey

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23
Q

Your vehicle is fitted with an anti lock braking system. Whats it designed to allow you to do

A

Stop safely in an emergency

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24
Q

A Lorry is overtaking you on a two lane motorway. what should you do if it doesnt have the speed to get past

A

Be prepared to reduce your speed

25
Q

your vehicle is fitted with an air assisted hydraulic braking system. What would warn you that the vacuum pump isnt working

A

The brake pedal feels hard when pressed

26
Q

What system is used to control a vehicle speed without using the footbrake

A

An endurance brake (retarder)

27
Q

How will antilock brakes improve your vehicles safety

A

They help you keep steering control while braking heavily

28
Q

What could prevent air pressure from building up in an air brake system in frosty weather

A

Moisture drawn in with the air may freeze and cause a blockage

29
Q

In frosty weather what. precaution could a lorry driver take to prevent moisture from freezing in the air brake system

A

Drain the air tanks daily

30
Q

Youre stationary the brake air pressure warning light comes on. Why should you keep the parking brake on

A

Because the service brake may not stop you

31
Q

What colour is the auxiliary line on a three line braking system

A

blue

32
Q

What should anti lock brakes let you do when you have to stop an emergency

A

Maintain steering control

33
Q

How can you help to prevent brake fade

A

use the endurance brake

34
Q

when should an endurance brake (retarder) be used

A

On a long downhill slopes

35
Q

What should you avoid when using an independent endurance brake (retarder) on slippery roads

A

The drive wheels locking

36
Q

your vehicle is fitted with air-assisted hydraulic brakes. What would warn you that there isnt enough air in the system

A

A buzzer or light

37
Q

Where must extra care be taken when using an endurance brake (retarder)

A

On slippery roads

38
Q

How can a lorry driver avoid a break fade

A

select an appropriate gear before going downhill gradients

39
Q

What does changing to a lower gear on a long downhill gradient help to avoid

A

Brake fade

40
Q

Your vehicle is fitted with air brake . What does it mean if a break warning light shows when youve just started the engine

A

Low air pressure

41
Q

Youre driving an articulated lorry that has three air lines connected to the trailer. Whats the purpose of the red line

A

Its the emergency line

42
Q

Youre driving an articulated lorry. What could happen if you change to a lower gear while youre going too fast

A

The vehicle could jack-knife

43
Q

When can an endurance brake (retarder) be especially useful

A

While driving down long hills

44
Q

When is an articulated vehicle most at risk of jack-knifing

A

While its under heavy braking

45
Q

What should you do when an air-pressure warning device activates

A

Stop and have the fault put right

46
Q

Your lorry is stuck in snow. You use the difflock to move off. When should you switch the diff lock off?

A

As soon as the vehicle is moving

47
Q

Youre about to drive a vehicle fitted with air-assisted hydraulic brakes. Why might the brake pedal feel hard when you press it

A

The vacuum pump isnt working

48
Q

your vehicle is fitted with a diff-lcok. When would you normally use it

A

while driving on a muddy construction sites

49
Q

Your tractor unit has three air lines youre connecting to a trailer that has two air-line couplings. What colour is the line you shouldnt connect to the trailer

A

BLUE

50
Q

Your vehicle is fitted with air assisted hydraulic brakes. What would you suspect if the brake pedal become shard to press

A

The brake system has a loss of vacuum

51
Q

Youre about to drive a vehicle fitted with hydraulic brakes . What should you check before driving the vehicle

A

The hydraulic-brake fluid level

52
Q

What will ‘pumping’ the brake pedal in a vehicle fitted with anti-lock brakes cause

A

reduced effectiveness

53
Q

Air-brake systems usually have two lines. Which additional line is fitted on a three-line system

A

Auxiliary

54
Q

Youre driving a tractor unit fitted with two airlines. you want to couple to a trailer that has three air-line couplings. How should the air lines be connected

A

The trailer auxiliary line should be left unconnected

55
Q

What should you do after driving through a flood.

A

Drive in a low gear with the footbrake lightly applied

56
Q

Which coloured band on the rev counter makes the best use of engine braking

A

Blue

57
Q

Youre driving down a snow covered hill. Why should you take care when using an independent endurance brake (retarder)

A

The drive wheels could lock

58
Q

When does ‘Brake Fade’ occur

A

When the brakes get too hot

59
Q

‘Brake Fade’ is a loss of effectiveness of the brakes when they overheat. When would ‘brake fade’ be most likely to happen

A

on a long downhill gradient

C1 Driving License Theory Questions (6 decks)

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