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Which of the following is the result of long term storage of the battery?

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in Automotive Engine Design by (137k points)
Which of the following is the result of long term storage of the battery?

(a) Low load

(b) variation in pressure

(c) Variation in enthalpy

(d) Stratification

I had been asked this question in final exam.

The question is from Battery Troubles topic in section Storage Batteries of Automotive Engine Design

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The correct choice is (d) Stratification

The explanation is: Stratification is one of the battery troubles. Long term storage of the battery causes stratification of the electrolyte, for example, the bottom layer becomes heavier than the top layers. Such stratification sets up local equalising currents which increase the self-discharge rate.

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