A. low sp. gravity electrolyte
B. abnormal high temperature
C. reduced gassing on charge
D. all above
Related Mcqs:
- The open circuit voltage of any storage cell depends wholly upon___________?
A. its chemical constituents
B. on the strength of its electrolyte
C. its temperature
D. all above - 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 - As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its__________?
A. compactness
B. lower e.m.f.
C. small quantity of electrolyte used
D. higher internal resistance - The internal resistance of an alkali cell is nearly _________ times that of the lead-acid cell
A. two
B. three
C. four
D. five - When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in___________?
A. charged state
B. discharged state
C. both (A) and (B)
D. active state - Self charge of a Ni-Fe cell is _______ Edison cell
A. equal to
B. less than
C. more than
D. much more than - Internal short circuits are caused by___________?
A. breakdown of one or more separators
B. excess accumulation of sediment at the bottom of the cell
C. both (A) and (B)
D. none of the above - In a lead-acid cell dilute sulfuric acid (electrolyte) approximately comprises the following__________?
A. one part H2O, three parts H2SO4
B. two parts H2O, two parts H2SO4
C. three parts H2O, one part H2SO4
D. all H2S04 - Electrolyte used in an Edison cell is___________?
A. NaOH
B. KOH
C. HC1
D. HN03 - Shelf life of a small dry cell is___________?
A. equal to that of large dry cell
B. less than that of large dry cell
C. more than that of large dry cell
D. none of the above
