Electrolysis and storage of batteries Archives

title="Internal short circuits are caused by" class="read-more button" href="https://exam.pscnotes.com/mcq/internal-short-circuits-are-caused-by/#more-59719">Detailed Solution

4. Excessive charging a battery tends to

produce gassing

increase the internal resistance of the battery

to corrode the positive plates into lead peroxide thereby weakening them physically

bring about all above changes

viewBox="0 0 576 512"> Subscribe on YouTube class="read-more-container">Detailed Solution

5. Internal resistance of a cell is reduced by

using vent plug to permit gas formed during discharge

increasing the plate area

putting plates very close together

all above methods

Join Our Telegram Channel

target="_blank" class="youtube-subscribe-button"> Subscribe on YouTube is reduced by" class="read-more button" href="https://exam.pscnotes.com/mcq/internal-resistance-of-a-cell-is-reduced-by/#more-59350">Detailed Solution

6. The following indicate that battery on charge has attained full charge

colour of electrode

gassing

specific gravity

all above

Join Our Telegram Channel

64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube charge" class="read-more button" href="https://exam.pscnotes.com/mcq/the-following-indicate-that-battery-on-charge-has-attained-full-charge/#more-59152">Detailed Solution

7. During discharge, the active material of both the positive and negative plates is changed to

PbO2

PbO

PbSO4

Detailed SolutionDuring discharge, the

active material of both the positive and negative plates is changed to

8. In ______ system the charging current is intermittently controlled at either a maximum or minimum value

two rate charge control

trickle charge

floating charge

an equalizing charge

Join Our Telegram Channel

11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube at either a maximum or minimum value" class="read-more button" href="https://exam.pscnotes.com/mcq/in-______-system-the-charging-current-is-intermittently-controlled-at-either-a-maximum-or-minimum-value/#more-58611">Detailed Solution