Question

What should a fully-charged 6 cell automotive battery indicate?

(a) 12 V

(b) 12.6 V

(c) The specific gravity of 1.29 at 32℃

(d) 12.6 V and the specific gravity of 1.29 at 32℃

The question was posed to me by my college professor while I was bunking the class.

The doubt is from Storage Batteries topic in division Nonconventional Engines, Conventional Energy Sources & Cooling System of Automobile Engineering

Answer 1

The correct option is (d) 12.6 V and the specific gravity of 1.29 at 32℃

Explanation: A fully-charged 6 cell automotive battery indicates 12.6 V and a specific gravity of 1.29 at 32℃. There should be no leak. The battery can be checked using a digital multimeter.