It is noticed that during discharging the following does not happen___________?

Byadmin December 14, 2018August 11, 2021

It is noticed that during discharging the following does not happen___________?

A. both anode and cathode become PbS04
B. specific gravity of H2SO4 decreases
C. voltage of the cell decreases
D. the cell absorbs energy

Electrolysis and Storage of Batteries

Short circuiting of a cell may be caused____________?

Short circuiting of a cell may be caused____________?

A. buckling of plates
B. faulty separators
C. lead particles forming circuit between positive and negative plates
D. excessive accumulation of sediment
E. any one of above

Read More Short circuiting of a cell may be caused____________?
Electrolysis and Storage of Batteries

Mercury cell has which of the following characteristics ____________?

Mercury cell has which of the following characteristics ____________?

A. Flat discharge current-voltage curve
B. High power to weight ratio
C. Comparatively longer shelf life under adverse conditions of high temperature and humidity
D. All of the above

Read More Mercury cell has which of the following characteristics ____________?
Electrolysis and Storage of Batteries

Petroleum jelly is applied to the electrical connections to the lead-acid battery___________?

Petroleum jelly is applied to the electrical connections to the lead-acid battery___________?

A. prevent local heating
B. prevent short-circuiting
C. reduce path resistance
D. prevent corrosion

Read More Petroleum jelly is applied to the electrical connections to the lead-acid battery___________?
Electrolysis and Storage of Batteries

Specific gravity of electrolyte in Edison cell is_____________?

Specific gravity of electrolyte in Edison cell is_____________?

A. 0.8
B. 0.95
C. 1.1
D. 1.21

Read More Specific gravity of electrolyte in Edison cell is_____________?
Electrolysis and Storage of Batteries

Electrolyte used in a lead-acid cell is__________?

Electrolyte used in a lead-acid cell is__________?

A. NaOH
B. onlyH2S04
C. only water
D. dilute H2SO4

Read More Electrolyte used in a lead-acid cell is__________?
Electrolysis and Storage of Batteries

The charge required to liberate one gram equivalent of any substance is known as _________ constant

The charge required to liberate one gram equivalent of any substance is known as _________ constant

A. time
B. Faraday’s
C. Boltzman

Read More The charge required to liberate one gram equivalent of any substance is known as _________ constant

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