A. to reduce evaporation of water from electrolyte
B. to exclude dirt and foreign matter from the electrolyte
C. to discharge both of the above functions
D. to discharge none of the above functions
Related Mcqs:
- Battery container should be acid resistance, therefore it is made up of___________?
A. glass
B. plastic
C. wood
D. all above - The active materials of a nickel-iron battery are___________?
A. nickel hydroxide
B. powdered iron and its oxide
C. 21% solution of KOH
D. all of the above - During charging the specific gravity of the electrolyte of a lead-acid battery
A. increases
B. decreases
C. remains the same
D. becomes zero - The storage battery generally used in electric power station is__________?
A. nickel-cadmium battery
B. zinc-carbon battery
C. lead-acid battery
D. none of the above - A dead storage battery can be revived by___________?
A. adding distilled water
B. adding so-called battery restorer
C. a dose of H2SO4
D. none of the above - Trickle charging of a storage battery helps to___________?
A. maintain proper electrolyte level
B. increase its reserve capacity
C. prevent sulphation
D. keep it fresh and fully charged - Following will happen if battery charging rate is too high______________?
A. excessive gassing will occur
B. temperature rise will occur
C. bulging and buckling of plates will occur
D. all above will occur - A battery of 6 cells will show a drop of _______ volts from fully charged state to fully discharged state
A. 1.0
B. 1.5
C. 2.4
D. 2.9 - The common impurity in the electrolyte of lead-acid battery is_____________?
A. chlorine
B. dust particles
C. lead crystals
D. iron - Which among the following constitutes the major load for an automobile battery _________?
A. Brake light
B. Self starter
C. Parking lights
D. Spark plugs
