ELECTROLYSIS AND STORAGE BATTERIES QUIZ

Which of the following primary cells has the lowest voltage ?

Mercury

Lithium

Carbon-zinc

Zinc-chloride

TRUE ANSWER : ?
YOUR ANSWER : ?

During the charging and discharging of a nickel-iron cell

its e.m.f. remains constant

water is neither formed nor absorbed

corrosive fumes are produced

nickel hydroxide remains unsplit

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 : ?

The lead-acid cell should never be discharged beyond

2.1 V

1.8 V

2 V

1.9 V

TRUE ANSWER : ?
YOUR ANSWER : ?

Life of the batteries is in the following ascending order.

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

Lead-acid cell, Edison cell, Nickel cadmium cell

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

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

TRUE ANSWER : ?
YOUR ANSWER : ?

The effect of sulphation is that the internal resistance

decreases

none of the listed here

increases

remains same

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following cell has a reversible chemical reaction ?

Silver-oxide

Mercury oxide

Lead-acid

Carbon-zinc

TRUE ANSWER : ?
YOUR ANSWER : ?

When the load resistance equals the generator resistance which of the following will be maximum ?

Current

Power in the load resistance

Efficiency of the circuit

Voltage across the load resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

A constant-voltage generator has

high internal resistance

minimum current capacity

minimum efficiency

low internal resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

Following will happen if battery charging rate is too high

temperature rise will occur

bulging and buckling of plates will occur

excessive gassing will occur

all of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

↑