As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its compactness lower e.m.f. higher internal resistance small quantity of electrolyte used TRUE ANSWER : ? YOUR ANSWER : ?
Sulphated cells are indicated by all of the listed here the low voltage of the cell on discharge the loss of capacity of the cell the decrease of the specific gravity TRUE ANSWER : ? YOUR ANSWER : ?
On overcharging a battery None of these It will raise the specific gravity of the electrolyte It will increase the capacity of the battery It will bring about chemical change in active materials TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following factors adversely affects the capacity of the leadacid battery ? Temperature of surroundings All of these Specific gravity of electrolyte Rate of discharge TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following battery is used for aircraft ? Nickel-iron battery Lead-acid battery Silver oxide battery Dry cell battery TRUE ANSWER : ? YOUR ANSWER : ?
Five 2 V cells are connected in parallel. The output voltage is 1.5 V 15 V 10 V 2 V TRUE ANSWER : ? YOUR ANSWER : ?
The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity”. The above statement is associated with Faraday’s law of electromagnetic Gauss’s law Faraday’s law of electrolysis Newton’s law TRUE ANSWER : ? YOUR ANSWER : ?
Batteries are charged by engine generator sets rectifiers motor generator sets any one of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
When a lead-acid battery is in fully charged condition, the color of its positive plate is dark brown brown none of the listed here dark grey TRUE ANSWER : ? YOUR ANSWER : ?
Lead-acid cell has a life of nearly charges and discharges 1000 700 500 1250 TRUE ANSWER : ? YOUR ANSWER : ?