Step 3 » GENERAL learning environment Category C (C, C1)

GENERAL Learning Environment Category C (C, C1)
Question 305 of 533

What is the role of the accumulator battery?

A it transforms low-voltage current into high-voltage current;
B it supplies the consumers with electrical energy according to their needs;
C it transforms chemical energy into mechanical energy.

Explanation

Explanation text category C / driving tests drpciv:
The battery of a car has the role of storing the electrical energy needed to start the thermal engine and to supply the electrical consumers when the thermal engine is stopped.
A car battery must meet the following requirements:
- to supply the starter (the electric starter motor) in the starting phase of the thermal engine;
- to supply the electrical consumers when the alternator is not operating;
- to filter the voltage oscillations in the electrical system;
- to supply with electrical energy the electronic systems that are permanently active (the memories of the electronic control modules, alarms).
Correct answer: B
 
Driving tests drpciv category C explained.

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