Question: 2.7.04-203

2 Points

Licenses: C D C1E DE

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

Choose one or multiple correct answers

A. Anti-freeze protects against corrosion
B. Anti-freeze protects the cooling system against freezing
C. Anti-freeze causes corrosion in the summer months

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Correct answer

A. Anti-freeze protects against corrosion
B. Anti-freeze protects the cooling system against freezing

Comment

Antifreeze protect against corrosion (rust) and protect the cooling system from freezing. In the summer months, this is not the case.

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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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