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 following indicate that battery on charge has attained full charge
A). colour of electrode
B). gassing
C). specific gravity
D). all above
Lead-acid cell has a life of nearly charges and discharges
A). 500
B). 700
C). 1000
D). 1250
The average charging voltage for alkali cell is about
A). 1 V
B). 1.2 V
C). 1.7 V
D). 2.1 V
Extent of corrosion in the underground metal work depends upon
A). amount of moisture
B). type of metals
C). type of soil chemicals
D). all above factors