1000+ Electrolysis and Storage Batteries MCQS Questions with Answers - 2

Question: 6

In a lead acid battery, separators are provided to

(A) avoid internal short circuits

(B) reduce tendency for polarization

(C) facilitate flow of current

(D) reduce internal resistance

Ans: A

avoid internal short circuits

Question: 7

Which of the following is a dry storage cell?

(A) nickel cadmium cell

(B) nickel iron

(C) mercury cell

(D) carbon zinc cell

Ans: A

nickel cadmium cell

Question: 8

When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells

(A) mixed

(B) in parallel

(C) in series

(D) in either series or parallel

Ans: B

in parallel

Question: 9

Galvanising is coating of

(A) tin

(B) zinc

(C) lead

(D) chromium

Ans: B

zinc

Question: 10

Sulphation in a lead acid battery occurs due to

(A) incomplete charging

(B) trickle charging

(C) fast charging

(D) heavy charging

Ans: A

incomplete charging

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