Which of the following helps in the identification of the state of the battery?(a) Latent heat of vaporization(b) Entropy(c) Latent heat of the cooling(d) Specific gravityI had been asked this question in unit test.My doubt is from Battery Charging in division Storage Batteries of Automotive Engine Design

Which of the following helps in the identification of the state of the

1.	Which of the following helps in the identification of the state of the battery?(a) Latent heat of vaporization(b) Entropy(c) Latent heat of the cooling(d) Specific gravityI had been asked this question in unit test.My doubt is from Battery Charging in division Storage Batteries of Automotive Engine Design
Answer» CORRECT choice is (d) Specific gravity The explanation: The state of the battery charge is checked most COMMONLY by the specific gravity. The temperature is also recorded and the gravity reading is corrected accordingly. This is then compared with the chart supplied by the battery manufacturer to ascertain whether the battery NEEDS to be CHARGED or not.

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