Which of the following factors adversely affects the capacity of the leadacid battery ?
A. Temperature of surroundings
B. Specific gravity of electrolyte
C. Rate of discharge
D. All of the above
In a lead-acid battery the energy is stored in the form of___________?
A. Charged ions
B. Chemical energy
C. Electrostatic energy
D. Electromagnetic energy
Satellite power requirement is provided through________?
A. Solar cells
B. Dry cells
C. Nickel-cadmium cells
D. Lead-acid batteries
Cells are connected in parallel to__________?
A. Increase the efficiency
B. Increase the current capacity
C. Increase the voltage output
D. Increase the internal resistance
When the load resistance equals the generator resistance which of the following will be maximum __________?
A. Current
B. Efficiency of the circuit
C. Power in the load resistance
D. Voltage across the load resistance
Under normal charging rate, the charging current should be__________?
A. 10% of capacity
B. 20% of capacity
C. 30% of capacity
D. 40% of capacity
Which of the following is incorrect ?
A. A storage cell has a reversible chemical reaction
B. A lead-acid cell can be recharged
C. A carbon-zinc cell has unlimited shelf life
D. A primary cell has an irreversible chemical reaction
While preparing electrolyte for a lead-acid battery___________?
A. Water is poured into acid
B. Acid is poured into water
C. Anyone of the two can be added to other chemical