ELECTROLYSIS AND STORAGE BATTERIES QUIZ

Over charging

loosens the active material

produces excessive gassing

all of the listed here

increases the temperature resulting in buckling of plates

TRUE ANSWER : ?
YOUR ANSWER : ?

In alkaline cell the electrolyte is

kOH

concentrated sulphuric acid

dilute sulphuric acid

NaOH

TRUE ANSWER : ?
YOUR ANSWER : ?

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

5

2

4

3

TRUE ANSWER : ?
YOUR ANSWER : ?

Life of the batteries is in the following ascending order.

Edison cell, Nickel-cadmium cell, lead-acid cell

Lead-acid cell, Nickel-cadmium cell, Edison cell

Nickel-cadmium cell, Edison cell, lead-acid cell

Lead-acid cell, Edison cell, Nickel cadmium cell

TRUE ANSWER : ?
YOUR ANSWER : ?

The active materials of a nickel-iron battery are

21% solution of kOH

nickel hydroxide

all of these

powdered iron and its oxide

TRUE ANSWER : ?
YOUR ANSWER : ?

Following will happen if battery charging rate is too high

bulging and buckling of plates will occur

excessive gassing will occur

temperature rise will occur

all of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Internal short circuits are caused by

excess accumulation of sediment at the bottom of the cell

breakdown of one or more separators

none of the listed here

both of the options given here

TRUE ANSWER : ?
YOUR ANSWER : ?

The common impurity in the electrolyte of lead-acid battery is

lead crystals

chlorine

iron

dust particles

TRUE ANSWER : ?
YOUR ANSWER : ?

Cell short circuit results in

low sp. gravity electrolyte

reduced gassing on charge

abnormal high temperature

all of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following primary cells has the highest voltage ?

Lithium

Mercury

Carbon-zinc

Manganese-alkaline

TRUE ANSWER : ?
YOUR ANSWER : ?

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