Question: 2.7.05-108

3 Points

Licenses: B

What is the legally prescribed minimum tread depth across the main profile of all the tyres on your car?

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1,6

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The legally regulated minimum profile depth for tyres is 1.6 mm. The main tread features are the grooves in the centre tread areas.

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Use and maintenance of tyres

Chapter 2.7.05

2.7.05-001 What is the meaning of the date of manufacture "1217" specified on the tyre?

2.7.05-002 When should you check the tyre pressure?

2.7.05-003 What is the minimum tread depth permissible for the tyres of your moped?

2.7.05-004 What can be the consequences of having too much or too little air pressure in the tyres of the motorcycle?

2.7.05-005 Your tyre inflation pressure is clearly too low while you driving on public roads. What is the consequence of this?

2.7.05-006 What must you check when regularly inspecting your vehicle’s tyres?

2.7.05-007 A tyre’s adhesion to the road surface depends on what?

2.7.05-008 What can cause a gradual loss in tyre inflation pressure?

2.7.05-009 You are riding a motorbike with an engine size larger than 125 cm³. What is the legally prescribed minimum tread depth for all the tyres on your motorbike?

2.7.05-101 What should be noted when changing a tyre using a car jack?

2.7.05-102 You have to remove a defective tyre. In what sequence should you proceed?

2.7.05-103 What does the red symbol on the tyre indicate?

2.7.05-104 To what must you pay particular attention when driving with winter tyres?

2.7.05-105 Your car is equipped with winter tyres. What is the meaning of the speed label "max. 190 km/h" on your dashboard?

2.7.05-106 What should you remember when putting winter tyres on your car?

2.7.05-107 This indicator lamp lights up. What could be the cause of this?

2.7.05-108 What is the legally prescribed minimum tread depth across the main profile of all the tyres on your car?

2.7.05-203 What effect does incorrect tyre pressure have?

2.7.05-205 What is the effect when tyre pressure is too low?

2.7.05-210 When should you have the tyre pressure checked?

2.7.05-211 What does the designation “TWI” (Tread Wear Indicator) mean?

2.7.05-212 How do you recognise that tyres have been retreaded?

2.7.05-213 What must you observe when checking the spare wheel fixing?

2.7.05-214 When should you check that the designation on the tyre corresponds to the type of tyre allowed?

2.7.05-215 Before beginning the journey, what do I have to check in connection with the tyres?

2.7.05-216 Where can you find information about the tyre pressure for your vehicle?

2.7.05-217 What are the possible consequences if the wheel nuts are not re-tightened following a tyre change?

2.7.05-218 You have to change the front-right wheel of your biaxial motor vehicle. You apply a wheel chock to prevent the vehicle from accidentally rolling off. What must you be aware of when doing so?

2.7.05-219 You have to change the front-right wheel of your triaxial motor vehicle on flat ground. What should you be aware of when doing so?

2.7.05-220 What does "L" refer to in the following tyre designation: 315/80 R 22.5 156/150 L?

2.7.05-221 What does "156/150" refer to in the following tyre designation: 315/80 R 22.5 156/150 L?

2.7.05-222 The tyre pressure monitoring system (TPMS) indicates to you that there is a pressure loss in one of the twin tyres. What should you do?

2.7.05-223 What does the red symbol on the tyre indicate?

2.7.05-224 What should you check with the spare tyre stored in your vehicle?

2.7.05-225 Based on the tyre designation, when should you check the road-worthiness of your tyres?

2.7.05-226 Before beginning your journey, what do you have to check in connection with the tyres?

2.7.05-227 You are driving a coach or bus. What must you note during wintry conditions?

2.7.05-228 You are driving a motor vehicle with a maximum authorised mass of more than 3.5 t for transporting freight. What must you note during wintry conditions?

2.7.05-229 What should you check regularly if your car has a spare wheel carried outside the body of the car?

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