Hydrogen evolved during charging produces explosive mixture when it is more than 6 % 10 % 8 % 5 % TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following factors adversely affects the capacity of the leadacid battery ? All of these Temperature of surroundings Specific gravity of electrolyte Rate of discharge TRUE ANSWER : ? YOUR ANSWER : ?
_______ of electrolyte indicates the state of charge of the battery viscosity colour specific gravity mass TRUE ANSWER : ? YOUR ANSWER : ?
Battery container should be acid resistance, therefore it is made up of Glass Plastic All of the listed here Wood TRUE ANSWER : ? YOUR ANSWER : ?
The e.m.f. of an Edison cell, when fully charged, is nearly 1.4 V 2.0 V 1.8 V 2.5 V TRUE ANSWER : ? YOUR ANSWER : ?
The average charging voltage for alkali cell is about 1 V 1.7 V 2.1 V 1.2 V TRUE ANSWER : ? YOUR ANSWER : ?
Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as______materials. active redundant all passive TRUE ANSWER : ? YOUR ANSWER : ?
In order that a hydrometer may float vertically in electrolyte its C.G. should be raised lowered displaced sideways undisturbed TRUE ANSWER : ? YOUR ANSWER : ?
A constant-voltage generator has minimum efficiency minimum current capacity low internal resistance high internal resistance TRUE ANSWER : ? YOUR ANSWER : ?
The specific gravity of electrolyte is measured by hydrometer psychrometer a mechanical gauge manometer TRUE ANSWER : ? YOUR ANSWER : ?