Electrical (A6)Pregunta 71 de 120
A parasitic (key-off) battery drain is measured by connecting an ammeter:
a.In parallel across the battery terminals
b.Across a spark plug
c.In series between a battery terminal and the cable
d.Between two ground points
Explicación
Parasitic draw is measured by placing an ammeter in series in the battery circuit after modules go to sleep. Excessive draw discharges the battery overnight. Pulling fuses one at a time while watching the meter isolates the offending circuit.
Practica las 120 preguntas gratis — sin registro.
Preguntas relacionadas de este tema
- An open in a series circuit will cause:
- A starter that cranks slowly, with the battery known good and fully charged, most likely has:
- Power (watts) in an electrical circuit is calculated by:
- In a wiring diagram, a component shown connected to ground provides:
- Technician A says a fuse that blows again immediately after replacement indicates a short to ground or an overload. Technician B says repeatedly replacing the fuse will fix the circuit. Who is correct?
- Technician A says a diode allows current to flow in only one direction. Technician B says alternators use diodes to rectify AC into DC. Who is correct?
Última revisión: · proceso editorial
Equipo Editorial de PrepPass · Verificado con ASE Automobile Certification Series (A1–A8) · Cómo revisamos