MCQ on Electrolysis and Storage of Batteries - Set 01 - ObjectiveBooks

MCQ on Electrolysis and Storage of Batteries - Set 01

Practice Test: Question Set - 01

1. Battery charging equipment is generally installed
    (A) In well ventilated location
    (B) In clean and dry place
    (C) As near as practical to the battery being charged
    (D) In location having all above features

2. If a lead-acid cell is discharged below 1.8 V the following will happen.
    (A) Capacity of cell will reduce
    (B) Sulphation of plates will occur
    (C) Internal resistance will increase
    (D) All above will occur

3. Self charge of a Ni-Fe cell is _____ Edison cell.
    (A) Equal to
    (B) Less than
    (C) More than
    (D) Much more than

4. Mercury cell has which of the following characteristics?
    (A) Flat discharge current-voltage curve
    (B) High power to weight ratio
    (C) Comparatively longer shelf life under adverse conditions of high temperature and humidity
    (D) All of the above

5. 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

6. 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

7. The capacity of a lead-acid cell depends on
    (A) Rate of discharge
    (B) Temperature
    (C) Density of electrolyte
    (D) All above

8. The internal resistance of a lead-acid cell is that of Edison cell
    (A) Less than
    (B) More than
    (C) Equal to
    (D) None of the above

9. Undercharging
    (A) Reduces specific gravity of the electrolyte
    (B) Increases specific gravity of the electrolyte
    (C) Produces excessive gassing
    (D) Increases the temperature

10. On overcharging a battery
    (A) It will bring about chemical change in active materials
    (B) It will increase the capacity of the battery
    (C) It will raise the specific gravity of the electrolyte
    (D) None of the above will occur

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