ELECTROLYSIS AND STORAGE BATTERIES QUIZ

The capacity of a battery is expressed in terms of

none of the listed here

ampere-hour rating

voltage rating

current rating

TRUE ANSWER : ?
YOUR ANSWER : ?

Extent of corrosion in the underground metal work depends upon

all of these

amount of moisture

type of metals

type of soil chemicals

TRUE ANSWER : ?
YOUR ANSWER : ?

Petroleum jelly is applied to the electrical connections to the lead-acid battery

prevent corrosion

reduce path resistance

prevent local heating

prevent short-circuiting

TRUE ANSWER : ?
YOUR ANSWER : ?

Local action in a battery is indicated by

both of the listed here

excessive gassing under load conditions

none of the listed here

excessive drop in the specific gravity of electrolyte even when the cell is on open circuit

TRUE ANSWER : ?
YOUR ANSWER : ?

A battery of 6 cells will show a drop of _____ volts from fully charged state to fully discharged state.

2.5

2.8

2.0

2.4

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.

all

redundant

passive

active

TRUE ANSWER : ?
YOUR ANSWER : ?

Under normal charging rate, the charging current should be

10% of capacity

20% of capacity

40% of capacity

30% of capacity

TRUE ANSWER : ?
YOUR ANSWER : ?

During the charging and discharging of a nickel-iron cell

corrosive fumes are produced

nickel hydroxide remains unsplit

its e.m.f. remains constant

water is neither formed nor absorbed

TRUE ANSWER : ?
YOUR ANSWER : ?

A typical output of a solar cell is

1.5 V

1.1 V

0.5 V

0.26 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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

they have identical internal resistance

they have same e.m.f.

they have same make

they have same ampere-hour capacity

TRUE ANSWER : ?
YOUR ANSWER : ?

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