10% of capacity
20% of capacity
30% of capacity
40% of capacity
Answer is Right!
Answer is Wrong!
Detailed SolutionUnder normal charging rate, the charging current should be
Electrolysis and storage of batteries
92. Level of electrolyte in a cell should be _____ the level of plates
below
equal to
above
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionLevel of electrolyte in a cell should be _____ the level of plates
93. A battery of 6 cells will show a drop of _____ volts from fully charged state to fully discharged state.
1
1.5
2.4
2.9
Answer is Right!
Answer is Wrong!
94. The ampere-hour efficiency of a leadacid cell is normally between
20 to 30%
40 to 50%
60 to 70%
90 to 95%
Answer is Right!
Answer is Wrong!
Detailed SolutionThe ampere-hour efficiency of a leadacid cell is normally between
95. Battery charging equipment is generally installed
In well ventilated location
In clean and dry place
As near as practical to the battery being charged
In location having all above features
Answer is Right!
Answer is Wrong!
Detailed SolutionBattery charging equipment is generally installed
96. Which of the following is incorrect?
A storage cell has a reversible chemical reaction
A lead-acid cell can be recharged
A carbon-zinc cell has unlimited shelf life
A primary cell has an irreversible chemical reaction
Answer is Right!
Answer is Wrong!
97. The specific gravity of electrolyte is measured by
manometer
a mechanical gauge
hydrometer
psychrometer
Answer is Right!
Answer is Wrong!
Detailed SolutionThe specific gravity of electrolyte is measured by
98. In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3
6 parts of acid to 4 parts of water
4 parts of acid to 4 parts of water
4 parts of acid to 6 parts of water
4 parts of acid to 8 parts of water
Answer is Right!
Answer is Wrong!