Electrolysis and storage of batteries

41. The capacity of a battery is expressed in terms of

current rating
voltage rating
ampere-hour rating
none of the above

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class="read-more button" href="https://exam.pscnotes.com/mcq/the-capacity-of-a-battery-is-expressed-in-terms-of/#more-53830">Detailed SolutionThe capacity of a battery is expressed in terms of
href="https://exam.pscnotes.com/mcq/which-of-the-following-has-lower-specific-gravity/#more-53675">Detailed SolutionWhich of the following has lower specific gravity

43. 48 ampere-hour capacity would deliver a current of

48 amperes for 1 hour
24 amperes for 2 hours
8 amperes for 6 hours
6 amperes for 8 hours

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title="48 ampere-hour capacity would deliver a current of" class="read-more button" href="https://exam.pscnotes.com/mcq/48-ampere-hour-capacity-would-deliver-a-current-of/#more-53489">Detailed Solution48 ampere-hour capacity would deliver a current of

44. In a lead-acid cell, lead is called as

positive active material
negative active material
passive material
none of the above

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class="read-more button" href="https://exam.pscnotes.com/mcq/in-a-lead-acid-cell-lead-is-called-as/#more-52828">Detailed SolutionIn a lead-acid cell, lead is called as

45. All the electrical connections between the battery and vehicle should be by

thin aluminium wires
thin copper wires
rigid cables
flexible cables

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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 button" href="https://exam.pscnotes.com/mcq/all-the-electrical-connections-between-the-battery-and-vehicle-should-be-by/#more-52749">Detailed SolutionAll the electrical connections between the battery and vehicle should be by

46. Which among the following constitutes the major load for an automobile battery ?

Brake light
Self starter
Parking lights
Spark plugs

Detailed SolutionWhich among

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the following constitutes the major load for an automobile battery ?

47. Extent of corrosion in the underground metal work depends upon

amount of moisture
type of metals
type of soil chemicals
all above factors

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the underground metal work depends upon" class="read-more button" href="https://exam.pscnotes.com/mcq/extent-of-corrosion-in-the-underground-metal-work-depends-upon/#more-52514">Detailed SolutionExtent of corrosion in the underground metal work depends upon

48. The active material of the positive plates of silver-zinc batteries is

silver oxide
lead oxide
lead
zinc powder

Detailed Solution

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class="screen-reader-text">The active material of the positive plates of silver-zinc batteries is

49. The average charging voltage for alkali cell is about

1 V
1.2 V
1.7 V
2.1 V

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href="https://exam.pscnotes.com/mcq/the-average-charging-voltage-for-alkali-cell-is-about/#more-52190">Detailed SolutionThe average charging voltage for alkali cell is about

50. Cells are connected in parallel to

Increase the efficiency
Increase the current capacity
Increase the voltage output
Increase the internal resistance

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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 to" class="read-more button" href="https://exam.pscnotes.com/mcq/cells-are-connected-in-parallel-to/#more-52178">Detailed SolutionCells are connected in parallel to
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