Electrolysis And Storage Of Batteries MCQ Questions & Answers | Electrical Engineering

A. Lead-acid

B. Mercury oxide

C. Carbon-zinc

D. Silver-oxide

A. its chemical constituents

B. on the strength of its electrolyte

C. its temperature

D. all above

A. In well ventilated location

B. In clean and dry place

C. As near as practical to the battery being charged

D. In location having all above features

A. increases

B. decreases

C. remains same

D. none of the above

A. 20 to 30%

B. 40 to 50%

C. 60 to 70%

D. 90 to 95%

A. solar cells

B. dry cells

C. nickel-cadmium cells

D. lead-acid batteries

A. Dilute H₂SO₄

B. Concentrated H₂SO₄

C. Water

D. Any of the above

A. resistance of electrolyte

B. electrode resistance

C. surface contact resistance between electrode and electrolyte

D. all above

A. Its voltage increases

B. It gives out energy

C. Its cathode becomes dark chocolate brown in colour

D. Specific gravity of H₂SO₄ decreases

A. no

B. very little

C. less

D. more