1000+ Electrolysis and Storage Batteries MCQS Questions with Answers - 3

Question: 11

During the charging and discharging of a nickel iron cell

(A) nickel hydroxide remains unsplit

(B) its e.m.f. remains constant

(C) corrosive fumes are produced

(D) water is neither formed nor absorbed

Question: 12

Life of the Edison cell is atleast

(A) ten years

(B) eight years

(C) seven years

(D) five years

Question: 13

Batteries are charged by

(A) rectifiers

(B) engine generator sets

(C) motor generator sets

(D) any one of the above materials

Question: 14

Dry cell is modification of

(A) edison cell

(B) lead acid cell

(C) deniell cell

(D) leclanche cell

Question: 15

When two batteries are connected in parallel, it should be ensured that

(A) they have identical internal resistance

(B) they have same ampere hour capacity

(C) they have same make

(D) they have same e.m.f.