Q.1
Which of the following has lower sp. gravity V
Q.2
Which of the following cell has a reversible chemical reaction ?
Q.3
The open circuit voltage of any storage cell depends wholly upon
Q.4
Shelf life of a small dry cell is
Q.5
When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in
Q.6
During charging the specific gravity of the electrolyte of a lead-acid battery
Q.7
Negative plate of an Edison cell is made of
Q.8
Lead-acid cell has a life of nearly charges and discharges
Q.9
The following indicate that battery on charge has attained full charge
Q.10
Internal resistance of a cell is reduced by
Q.11
Short circuiting of a cell may be caused
Q.12
The capacity of a lead-acid cell depends on
Q.13
The internal resistance of an alkali cell is nearly _____ times that of the lead-acid cell.
Q.14
Level of electrolyte in a cell should be _____ the level of plates
Q.15
Internal resistance of a cell is due to
Q.16
During the charging of a lead-acid cell
Q.17
Battery charging equipment is generally installed
Q.18
The effect of sulphation is that the internal resistance
Q.19
The best indication about the state of charge on a lead-acid battery is given by
Q.20
Each cell has a vent cap
Q.21
While preparing electrolyte for a lead-acid battery
Q.22
The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is
Q.23
Which among the following constitutes the major load for an automobile battery ?
Q.24
Trickle charging of a storage battery helps to
Q.25
Which of the following battery is used for aircraft ?
Q.26
Chargmg of sulphated battery produces ____ heat.
Q.27
The ampere-hour efficiency of a leadacid cell is normally between
Q.28
The capacity of a lead-acid cell is measured in
Q.29
The watt-hour efficiency of a lead-acid cell varies between
Q.30
Electrolyte used in a lead-acid cell is
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