[amp_mcq option1=”excessive gassing will occur” option2=”temperature rise will occur” option3=”bulging and buckling of plates will occur” option4=”all above will occur” correct=”option4″]
Detailed SolutionFollowing will happen if battery charging rate is too high
[amp_mcq option1=”Capacity of cell will reduce” option2=”Sulphation of plates will occur” option3=”Internal resistance will increase” option4=”All above will occur” correct=”option4″]
Detailed SolutionIf a lead-acid cell is discharged below 1.8 V the following will happen.
[amp_mcq option1=”Lead-acid” option2=”Mercury oxide” option3=”Carbon-zinc” option4=”Silver-oxide” correct=”option1″]
Detailed SolutionWhich of the following cell has a reversible chemical reaction ?
[amp_mcq option1=”passive” option2=”active” option3=”redundant” option4=”inert” correct=”option1″]
[amp_mcq option1=”capacity of the cell is reduced” option2=”life of the cell is reduced” option3=”open plates are converted to lead sulphate” option4=”all above” correct=”option4″]
Detailed SolutionFollowing will occur if level of electrolyte falls below plates
[amp_mcq option1=”There is a rise in voltage” option2=”Energy is absorbed by the cell” option3=”Specific gravity of H2SO4 is increased” option4=”The anode becomes chocolate brown in colour (PbCfe) and cathode becomes grey metallic lead (Pb) E. All of the above” correct=”option3″]
[amp_mcq option1=”PbO2″ option2=”PbSC4″ option3=”PbO” option4=”Pb” correct=”option1″]
[amp_mcq option1=”Temperature of surroundings” option2=”Specific gravity of electrolyte” option3=”Rate of discharge” option4=”All of the above” correct=”option4″]
[amp_mcq option1=”1 V” option2=”1.5 V” option3=”1.75 V” option4=”2 V” correct=”option4″]
Detailed SolutionFive 2 V cells are connected in parallel. The output voltage is
[amp_mcq option1=”active” option2=”passive” option3=”inert” option4=”dielectric” correct=”option4″]