ELECTROLYSIS AND STORAGE BATTERIES QUIZ

It is noticed that during discharging the following does not happen

both anode and cathode become PbS04

voltage of the cell decreases

the cell absorbs energy

specific gravity of H2SO4 decreases

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has lower sp. gravity V

Water

Concentrated H₂SO₄

Dilute H₂SO₄

All of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

The current flow through electrolyte is due to the movement of

holes

electrons

None of these

ions

TRUE ANSWER : ?
YOUR ANSWER : ?

Charging a sulphated battery at high rate results in

All of the listed here

boiling of electrolyte due to gassing

warping of plates

damage to separators, cell caps covers and battery case due to excessive temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell.

4

5

2

3

TRUE ANSWER : ?
YOUR ANSWER : ?

In a lead-acid battery the energy is stored in the form of

chemical energy

charged ions

electrostatic energy

electromagnetic energy

TRUE ANSWER : ?
YOUR ANSWER : ?

Self charge of a Ni-Fe cell is _____ Edison cell.

Equal to

Much more than

More than

Less than

TRUE ANSWER : ?
YOUR ANSWER : ?

The specific gravity of electrolyte is measured by

hydrometer

a mechanical gauge

manometer

psychrometer

TRUE ANSWER : ?
YOUR ANSWER : ?

Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as______materials.

redundant

all

active

passive

TRUE ANSWER : ?
YOUR ANSWER : ?

Level of electrolyte in a cell should be _____ the level of plates

above

below

equal to

none of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

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