Computer Programming MCQs

5739 MCQs  (Page 150 of 574)

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
Over charging______________?
A. Produces excessive gassing
B. Loosens the active material
C. Increases the temperature resulting in buckling of plates
D. All above
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 ________ system the charging current is intermittently controlled at either a maximum or minimum value
A. Two rate charge control
B. Trickle charge
C. Floating charge
D. An equalizing charge
Undercharging___________?
A. Reduces specific gravity of the electrolyte
B. Increases specific gravity of the electrolyte
C. Produces excessive gassing
D. Increases the temperature
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