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At the start of the engine, the charging voltage is _______

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At the start of the engine, the charging voltage is _______

(a) Lower

(b) Higher

(c) Same

(d) Zero

I got this question in an internship interview.

I'm obligated to ask this question of Charging System topic in chapter Nonconventional Engines, Conventional Energy Sources & Cooling System of Automobile Engineering

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Correct option is (b) Higher

Explanation: The charging voltage is high at the start of the engine. The charging voltage should be less than the alternator voltage to charge the battery. The standard battery automotive battery should indicate 12.6 V at 35℃. When the engine is running, it should show 13.7 V to 14.7 V.

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