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Police Driving > Day 2 > Flashcards

Day 2 Flashcards

1
Q

How much grip does the average tyre have on the road?

A

About the size of a hand

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2
Q

Moderate braking and accelerating leaves grip for … ?

A

Steering

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3
Q

Excessive braking and accelerating leaves less grip for … ?

A

Steering

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4
Q

As you brake on a straight, the weight of the car moves towards?

A

The front of the car

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5
Q

As you corner, the weight of the car shifts to … ?

A

The outside of the car towards the curve

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6
Q

If you corner and break, the weight of the car shifts to … ?

A

The outside of the car and the front of the car towards the kerb

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7
Q

As you corner and accelerate, the weight of the car shifts towards … ?

A

The outside (towards the Kerb) and back of the car

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8
Q

Braking or Accelerating round a corner leaves less room for … ?

A

Tyre grip, in turn reducing control of the car.

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9
Q

What does ESP stand for ?

A

Electronic Stability Programme

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10
Q

What does TCS stand for?

A

Traction Control System

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11
Q

What does ABS stand for?

A

Anti lock braking system

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12
Q

What happens to tyres’ grip when a car decelerates?

A

The front tyres gain grip and the rear tyres lose grip

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13
Q

What happens to the cars tyres when it accelerates?

A

Rear tyres gain grip and the front tyres lose grip.

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14
Q

What is Acceleration sense?

A

The ability to vary vehicle speed in response to changing road or traffic conditions by accurate use of the accelerator so that you brake less

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15
Q

When is a vehicle most stable?

A

When the vehicle is straight and the engine is pulling

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16
Q

What should you do when driving through water?

A

Left foot brake and maintain engine revs to ensure water does not go through the exhaust

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17
Q

When should you use brakes?

A

When you need to make more than a gradual adjustment to speed

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18
Q

Braking moves the weight of a vehicle … ?

A

Forward, to the front.

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19
Q

Does braking make steering heavier?

A

Yes

20
Q

What is overall stopping distance?

A

Thinking distance + stopping distance

21
Q

What is emergency braking ?

A

Pressing the brake as hard as you can for the ABS to kick in

22
Q

What does the ABS allow you to do more effectively?

A

Steer

23
Q

On slippery roads, how should you steer?

A

As delicately as possible

24
Q

When manoeuvring, what should you do if you can’t get a full view of hazards

A

Exit the vehicle and or ask someone to check.

25
Q

What should you be careful of when exiting a space ?

A

Overhangs (hitting other cars when steering to soon)

26
Q

What should you do when parking on a hill?

A

Put the handbrake on, into gear with the wheels facing towards the kerb

27
Q

What does the ABS do?

A

Applies brakes to individual wheels

28
Q

ABS allows you to steer the vehicle when?

A

Under full braking power

29
Q

Once you activate the ABS, what should you do?

A

Maintain maximum pressure on the brake pedal

30
Q

How do you know when the ABS is activated ?

A

It should appear on the dash and you should feel the brake pedal vibrate or judder

31
Q

What does traction control do?

A

Controls wheel spin

32
Q

How does wheel spin occur ?

A

When the power given to the wheels exceeds the grip available by the wheels

33
Q

What does ESP do?

A

Detect when a vehicle is off path and applies braking to individual wheels to correct steering

34
Q

When do skids happen?

A

When one or more tyre loses grip causing involuntary movement of the vehicle

35
Q

What things when driving causes skidding?

A

Braking, accelerating and cornering

36
Q

How do you minimise skidding?

A

Checking tyre pressure and tread

37
Q

When is skidding more likely to occur ? (Weather conditions)

A

In snow, ice, heavy rain and oil on the road .

38
Q

What should you use in slippery conditions?

A

Low revs

39
Q

What are the common causes of skidding?

A

Driving too fast for the circumstances, harsh acceleration, excessive or sudden braking and steering too sharply (coarse steering)

40
Q

What is oversteer?

A

When the vehicle steers more then necessary

41
Q

What is oversteer?

A

When the vehicle steers more then necessary

42
Q

What is understeer?

A

When the vehicle steers less than anticipated

43
Q

How do you reduce understeer?

A

By reducing power

44
Q

What is aquaplaning ?

A

Occurs when a wedge of water gets between the front tyres and road surface

45
Q

What should you do when aquaplaning?

A

Get off the accelerator.

Police Driving (7 decks)

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