Question: 2.7.05-221

3 Points

Licenses: C C1 D D1 C1E D1E DE

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

Choose one or multiple correct answers

It provides information about

A. - the load index for single and twin tyres
B. - the height-to-breadth ratio
C. - the rolling circumference according to air pressure

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Correct answer

A. - the load index for single and twin tyres

Comment

The marking 156/150 represents the load index of the single and twin wheels. It has to do with either the air pressure or with the ratio of height to width.

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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Question: 2.7.05-221

3 Points

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

Correct answer

Comment

Use and maintenance of tyres

Chapter 2.7.05

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