Correct answer
The starting circuit.
The starting circuit. The battery supplies the starter motor, which cranks the engine to initiate its operation. This does not mean the starter propels the vehicle along the road. Required cranking speed depends on the engine; there is no universal value of 50 revolutions per minute.
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The headlight lighting circuit.
The cabin lighting circuit.
The starting circuit.
The real exam in English is a translation of the Spanish original; compare both here.
Show the Spanish original
En un motor de combustión con motor de arranque eléctrico convencional, ¿qué circuito alimenta el motor de arranque para hacer girar el motor al ponerlo en marcha?
- El circuito de puesta en marcha.(Correct answer)
- El circuito de alumbrado interior.
- El circuito de iluminación de los faros.
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