In order that a hydrometer may float vertically in electrolyte its C.G. should be___________?

Related Mcqs:

1. During charging the specific gravity of the electrolyte of a lead-acid battery

   A. increases
   B. decreases
   C. remains the same
   D. becomes zero

2. The specific gravity of electrolyte is measured by____________?

   A. manometer
   B. a mechanical gauge
   C. hydrometer
   D. psychrometer

3. When the specific gravity of the electrolyte of a lead-acid cell is reduced to 1.1 to 1.15 the cell is in___________?

   A. charged state
   B. discharged state
   C. both (A) and (B)
   D. active state

4. Following will occur if level of electrolyte falls below plates____________?

   A. capacity of the cell is reduced
   B. life of the cell is reduced
   C. open plates are converted to lead sulphate
   D. all above

5. Following will happen if the specific gravity of electrolyte becomes more than 1.23

   A. Loss of capacity
   B. Loss of life
   C. Corrosion of the grids of the plate
   D. All above

6. Level of electrolyte in a cell should be ________ the level of plates

   A. below
   B. equal to
   C. above
   D. none of the above

7. The current flow through electrolyte is due to the movement of____________?

   A. ions
   B. holes
   C. electrons
   D. none of the above

8. Persons preparing electrolyte should wear___________?

   A. goggles or other face shield
   B. rubber
   C. rubber boots and gloves
   D. all above safety devices

9. The common impurity in the electrolyte of lead-acid battery is_____________?

   A. chlorine
   B. dust particles
   C. lead crystals
   D. iron

10. In alkaline cell the electrolyte is_____________?

    A. dilute sulphuric acid
    B. concentrated sulphuric acid
    C. NaOH
    D. KOH