In order that a hydrometer may float vertically in electrolyte its C.G. should be displaced sideways lowered undisturbed raised TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following primary cells has the highest voltage ? Lithium Mercury Manganese-alkaline Carbon-zinc TRUE ANSWER : ? YOUR ANSWER : ?
Five 2 V cells are connected in parallel. The output voltage is 2 V 10 V 1.5 V 15 V TRUE ANSWER : ? YOUR ANSWER : ?
The charge required to liberate one gram equivalent of any substance is known as ______ constant None of the listed here Faraday’s Time Boltzman TRUE ANSWER : ? YOUR ANSWER : ?
Electrolyte used in a lead-acid cell is dilute H₂SO₄ only H₂SO₄ only water NaOH TRUE ANSWER : ? YOUR ANSWER : ?
Self charge of a Ni-Fe cell is _____ Edison cell. Equal to Less than More than Much more than TRUE ANSWER : ? YOUR ANSWER : ?
Cell short circuit results in reduced gassing on charge all of the listed here low sp. gravity electrolyte abnormal high temperature TRUE ANSWER : ? YOUR ANSWER : ?
The output voltage of a charger is less than the battery voltage higher than the battery voltage none of the listed here the same as the battery voltage TRUE ANSWER : ? YOUR ANSWER : ?
The active materials on the positive and negative plates of a fully charged lead-acid battery are lead and lead peroxide None of these lead sulphate and lead lead peroxide and lead TRUE ANSWER : ? YOUR ANSWER : ?
The common impurity in the electrolyte of lead-acid battery is dust particles iron chlorine lead crystals TRUE ANSWER : ? YOUR ANSWER : ?