Which of the following test does not use a voltmeter?(a) Open volt test(b) Cadmium test(c) High discharge test(d) Specific gravity testI got this question in final exam.Origin of the question is Battery Testing topic in section Storage Batteries of Automotive Engine Design

Which of the following test does not use a voltmeter?(a) Open volt tes

1.	Which of the following test does not use a voltmeter?(a) Open volt test(b) Cadmium test(c) High discharge test(d) Specific gravity testI got this question in final exam.Origin of the question is Battery Testing topic in section Storage Batteries of Automotive Engine Design
Answer» The correct choice is (d) Specific gravity test Explanation: Specific gravity test is the only test where a voltmeter is not used INSTEAD of a voltmeter a hydrometer is used to DETERMINE the specific gravity of the electrolyte. The float inside the hydrometer rises and then the read off the scale at the SURFACE level of the sample DRAWN in.

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