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.Management Sciences
Category: Electrolysis and Storage of Batteries
______ of electrolyte indicates the state of charge of the battery
0
A. colour
B. mass
C. viscosity
D. specific gravity
The e.m.f. of an Edison cell, when fully charged, is nearly______________?
A. 1.4 V
B. 1 V
C. 0.9 V
D. 0.8 V
Which of the following primary cells has the highest voltage___________ ?
A. Manganese-alkaline
B. Carbon-zinc
C. Lithium
D. Mercury
Electrolyte used in a lead-acid cell is__________?
A. NaOH
B. onlyH2S04
C. only water
D. dilute H2SO4
Level of electrolyte in a cell should be ________ the level of plates
A. below
B. equal to
C. above
D. none of the above
If a battery is wrongly connected on charge following will happen__________?
A. current delivered by the battery will be high
B. current drawing will be nil
C. current drawing will be very small
D. current drawing will be very high
Excessive formation of lead sulphate on the surface of the plates happens because of___________?
A. allowing a battery to stand in discharged condition for a long time
B. topping up with electrolyte
C. persistent undercharging
D. low level of electrolyte
E. all above
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