ELECTROLYSIS AND STORAGE BATTERIES QUIZ

The internal resistance of a lead-acid cell is that of Edison cell

Less than

None of the listed here

Equal to

More than

TRUE ANSWER : ?
YOUR ANSWER : ?

Following will happen if the specific gravity of electrolyte becomes more than 1.23.

Loss of life

Corrosion of the grids of the plate

All of the listed here

Loss of capacity

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Voltage across the load resistance

Efficiency of the circuit

Power in the load resistance

Current

TRUE ANSWER : ?
YOUR ANSWER : ?

The open circuit voltage of any storage cell depends wholly upon

its temperature

all of the listed here

on the strength of its electrolyte

its chemical constituents

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has lower sp. gravity V

All of the listed here

Dilute H₂SO₄

Concentrated H₂SO₄

Water

TRUE ANSWER : ?
YOUR ANSWER : ?

The best indication about the state of charge on a lead-acid battery is given by

temperature of electrolyte

specific gravity of electrolyte

output voltage

none of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

The current flow through electrolyte is due to the movement of

None of these

electrons

ions

holes

TRUE ANSWER : ?
YOUR ANSWER : ?

Cells are connected in parallel to

Increase the current capacity

Increase the voltage output

Increase the efficiency

Increase the internal resistance

TRUE ANSWER : ?
YOUR ANSWER : ?

The average charging voltage for alkali cell is about

1 V

1.2 V

2.1 V

1.7 V

TRUE ANSWER : ?
YOUR ANSWER : ?

48 ampere-hour capacity would deliver a current of

48 amperes for 1 hour

8 amperes for 6 hours

6 amperes for 8 hours

24 amperes for 2 hours

TRUE ANSWER : ?
YOUR ANSWER : ?

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