Quiz on Spider Robot

This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?

120

Which of the following battery is used for aircraft?

Lead acid battery

Dry cell battery

Nickel-iron battery

Both A and B

Correct! Wrong!

Capacity of dry cells is

More when it is supplying current for intermittent periods

More when it is supplying current for continuous period

Unaffected by the type of discharge

none

Correct! Wrong!

Cells are connected in series in order to

Increase the current rating

Increase the voltage rating

Increase the life of the cells

none

Correct! Wrong!

To prevent local action in battery, only ............is used in electrolytes

Distilled water

Pump water

Both A and C

none

Correct! Wrong!

The current in a chemical cell is a movement of

Negative ions only

Positive and negative ions

Positive hole charges

none

Correct! Wrong!

Internal resistance of a cell is reduced to by

Using vent plug to permit gas formed during discharge

Increasing the plate area

Putting plates very close together

All of the above

Correct! Wrong!

Cell short circuit results in

Low specific gravity electrolyte

Abnormal high-temperature

Reduced gassing on charge

All of the above

Correct! Wrong!

Self Life of a small dry cell is

An insulator

Equal to that of larger dry cell

Less than that of large dry cell

More than that of large dry cell

Correct! Wrong!

Quiz on Spider Robot

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