Electrolysis and storage of batteries

[amp_mcq option1=”chlorine” option2=”dust particles” option3=”lead crystals” option4=”iron” correct=”option2″]

Detailed SolutionThe common impurity in the electrolyte of lead-acid battery is

[amp_mcq option1=”Lead-acid battery” option2=”Nickel-iron battery” option3=”Dry cell battery” option4=”Silver oxide battery” correct=”option1″]

Detailed SolutionWhich of the following battery is used for aircraft ?

[amp_mcq option1=”prevent local heating” option2=”prevent short-circuiting” option3=”reduce path resistance” option4=”prevent corrosion” correct=”option4″]

Detailed SolutionPetroleum jelly is applied to the electrical connections to the lead-acid battery

[amp_mcq option1=”Adding distilled water” option2=”Adding so-called battery restorer” option3=”A dose of H2SO4″ option4=”None of the above” correct=”option4″]

Detailed SolutionA dead storage battery can be revived by

[amp_mcq option1=”500″ option2=”700″ option3=”1000″ option4=”1250″ correct=”option3″]

Detailed SolutionLead-acid cell has a life of nearly charges and discharges

[amp_mcq option1=”It will bring about chemical change in active materials” option2=”It will increase the capacity of the battery” option3=”It will raise the specific gravity of the electrolyte” option4=”None of the above will occur” correct=”option1″]

Detailed SolutionOn overcharging a battery

[amp_mcq option1=”Both anode and cathode become PbSO4″ option2=”Specific gravity of H2SO4 decreases” option3=”Voltage of the cell decreases” option4=”The cell absorbs energy” correct=”option4″]

Detailed SolutionIt is noticed that during discharging the following does not happen

[amp_mcq option1=”more when it is supplying current for intermittent periods” option2=”more when it is supplying current for continuous periods” option3=”unaffected by the type of discharge” option4=”none of the above” correct=”option3″]

Detailed SolutionCapacity of dry cells is

[amp_mcq option1=”maintain proper electrolyte level” option2=”increase its reserve capacity” option3=”prevent sulphation” option4=”keep it fresh and fully charged” correct=”option3″]

Detailed SolutionTrickle charging of a storage battery helps to

[amp_mcq option1=”increase the voltage rating” option2=”increase the current rating” option3=”increase the life of the cells” option4=”none of the above” correct=”option1″]

Detailed SolutionCells are connected in series in order to