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Multiple Choice Question (MCQ) of battery page-1


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1. Container of a lead acid battery is made of

(A)ceramics
(B)celluloid
(C)moulded hard rubber
(D)any of the above.

Ans : (D)

2. Fillers in a lead acid battery are provided

(A) to facilitate flow of gases
(B) to recover acid loss through vapours
(C) to prevent flow of gases
(D) all of the above.

Ans : (A)

3. In case of a lead acid battery, during discharging

A) both anode and cathode become
B) voltage of the cells increases
C) specific gravity of acid increases
D) none of the above takes place.
Ans : (A)

4. In a lead acid battery, during charging

A) voltage drops
B) specific gravity of acid increases
C) anode becomes whitish in colour
D) the cell gives out energy.

Ans : (B)

5. The condition of a fully charged lead acid battery can be ascertained by

A)voltage
B)specific gravity of electrolyte
C)gassing
D)any of the above.

Ans : (D)

6. The value of specific gravity of acid when a lead acid battery is fully charged is

A) 1.285
B) 2.185
C) 2.585
D) 2.9585

Ans : (A)

7. In a lead acid battery, separators are provided

A) to avoid internal short circuits
B) to reduce internal resistance
C) to facilitate flow of current
D) to reduce tendency for polarization.

Ans : (A)

8. The plates of a lead acid battery are made of

A) pressed antimony bismuth alloy
B) perforated nickel cadmium alloy
C) cast animonial lead alloy
D) rolled zinc-copper alloy.

Ans : (C)

9.For all substances

A) 96500 coulombs
B) 9650 coulombs
C) 965 coulombs
D) 96.5 coulombs.

Ans : (A)

10.“The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity which passes through the electrolyte”. The above statement is associated with

A) Gauss’s theorem
B) Faraday’s laws of Electrolysis
C) Laplace law
D) Webers and Ewings theory.

Ans : (B)


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