ELECTROLYSIS AND STORAGE BATTERIES QUIZ

Hydrogen evolved during charging produces explosive mixture when it is more than

6 %

10 %

8 %

5 %

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following factors adversely affects the capacity of the leadacid battery ?

All of these

Temperature of surroundings

Specific gravity of electrolyte

Rate of discharge

TRUE ANSWER : ?
YOUR ANSWER : ?

_______ of electrolyte indicates the state of charge of the battery

viscosity

colour

specific gravity

mass

TRUE ANSWER : ?
YOUR ANSWER : ?

Battery container should be acid resistance, therefore it is made up of

Glass

Plastic

All of the listed here

Wood

TRUE ANSWER : ?
YOUR ANSWER : ?

The e.m.f. of an Edison cell, when fully charged, is nearly

1.4 V

2.0 V

1.8 V

2.5 V

TRUE ANSWER : ?
YOUR ANSWER : ?

The average charging voltage for alkali cell is about

1 V

1.7 V

2.1 V

1.2 V

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.

active

redundant

all

passive

TRUE ANSWER : ?
YOUR ANSWER : ?

In order that a hydrometer may float vertically in electrolyte its C.G. should be

raised

lowered

displaced sideways

undisturbed

TRUE ANSWER : ?
YOUR ANSWER : ?

A constant-voltage generator has

minimum efficiency

minimum current capacity

low internal resistance

high internal resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

The specific gravity of electrolyte is measured by

hydrometer

psychrometer

a mechanical gauge

manometer

TRUE ANSWER : ?
YOUR ANSWER : ?

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