A. reduces specific gravity of the electrolyte
B. increases specific gravity of the electrolyte
C. produces excessive gassing
D. increases the temperature
Related Mcqs:
- The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is____________?
A. just one
B. always greater than one
C. always less than one
D. none of the above - During the charging and discharging of a nickel-iron cell____________?
A. corrosive fumes are produced
B. water is neither formed nor absorbed
C. nickel hydroxide remains unsplit
D. its e.m.f. remains constant - Those substances of the cell which take active part in chemical combination and hence produce electricity during charging or discharging are known as________materials
A. passive
B. active
C. redundant
D. inert - Electrolyte used in a lead-acid cell is__________?
A. NaOH
B. onlyH2S04
C. only water
D. dilute H2SO4 - On overcharging a battery____________?
A. it will bring about chemical change in active materials
B. it will increase the capacity of the battery
C. it will raise the specific gravity of the electrolyte
D. none of the above will occur - Battery container should be acid resistance, therefore it is made up of___________?
A. glass
B. plastic
C. wood
D. all above - Local action in a battery is indicated by____________?
A. excessive gassing under load conditions
B. excessive drop in the specific gravity of electrolyte even when the cell is on open circuit
C. both A. and (b)
D. none of the above - The body of Edison cell is made of___________?
A. bakelite
B. rubber
C. nickel plated steel
D. aluminium - Which of the following has lower specific gravity V__________?
A. Dilute H2S04
B. Concentrated H2SO4
C. Water
D. Any of the above - While preparing electrolyte for a lead-acid battery___________?
A. water is poured into acid
B. acid is poured into water
C. anyone of the two can be added to other chemical