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.Management Sciences
Category: Electrolysis and Storage of Batteries
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
The capacity of a lead-acid cell does not depend on its___________?
A. temperature
B. rate of charge
C. rate of discharge
D. quantity of active material
Life of the Edison cell is at least_____________?
A. five years
B. seven years
C. eight years
D. ten years
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
Which among the following constitutes the major load for an automobile battery _________?
A. Brake light
B. Self starter
C. Parking lights
D. Spark plugs
The internal resistance of a lead-acid cell is that of Edison cell____________?
A. less than
B. more than
C. equal to
D. none of the above
Over charging______________?
A. produces excessive gassing
B. loosens the active material
C. increases the temperature resulting in buckling of plates
D. all above
Capacity of dry cells is_________?
A. more when it is supplying current for intermittent periods
B. more when it is supplying current for continuous periods
C. unaffected by the type of discharge
D. none of the above
A constant-voltage generator has___________?
A. minimum efficiency
B. minimum current capacity
C. low internal resistance
D. high internal resistance
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