Question: 2.7.04-201

2 Points

Licenses: C D C1E DE

Why does the coolant have to be checked for sufficient frost protection before winter begins?

Choose one or multiple correct answers

A. So the coolant does not freeze
B. So the cooling system is not damaged by frost
C. So the vehicle's operating permit does not lapse

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Correct answer

A. So the coolant does not freeze
B. So the cooling system is not damaged by frost

Comment

A freezing of the coolant (extends) to avoid you should adequately check the antifreeze. So you avoid even damage to the cooling system in case of frost. The operating license of the vehicle does not go out by it.

Lubricants and antifreeze

Chapter 2.7.04

2.7.04-001 What should I ensure when refilling with engine oil?

2.7.04-002 What is the function of engine oil in a combustion engine?

2.7.04-003 How can you check the engine oil level?

2.7.04-101 How can you check the engine oil level?

2.7.04-201 Why does the coolant have to be checked for sufficient frost protection before winter begins?

2.7.04-203 What are the functions of anti-freeze in the coolant system?

2.7.04-205 Why do diesel and petrol engines need engine oil?

2.7.04-206 What are the requirements of lubricating oils for diesel engines?

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Question: 2.7.04-201

2 Points

Why does the coolant have to be checked for sufficient frost protection before winter begins?

Correct answer

Comment

Lubricants and antifreeze

Chapter 2.7.04

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