Electrical (A6)Câu 69 / 120
A starter that cranks slowly, with the battery known good and fully charged, most likely has:
a.Too little engine oil
b.A blown headlight fuse
c.A weak alternator
d.High resistance in the starter circuit or a failing starter
Giải thích
Slow cranking with a good battery points to high resistance in the cables/connections or a worn starter, both of which limit current to the motor. A starter-circuit voltage drop test isolates the problem. Clean, tight connections are essential for full cranking current.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Technician A says the charging system voltage at the battery with the engine running should typically be around 13.5 to 14.5 volts. Technician B says it should read exactly 12.6 volts while running. Who is correct?
- Two 6-ohm resistors connected in parallel produce a total resistance of:
- An open in a series circuit will cause:
- Power (watts) in an electrical circuit is calculated by:
- A parasitic (key-off) battery drain is measured by connecting an ammeter:
- In a wiring diagram, a component shown connected to ground provides:
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