A. goggles or other face shield
B. rubber
C. rubber boots and gloves
D. all above safety devices
Related Mcqs:
- 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 - During charging the specific gravity of the electrolyte of a lead-acid battery
A. increases
B. decreases
C. remains the same
D. becomes zero - The specific gravity of electrolyte is measured by____________?
A. manometer
B. a mechanical gauge
C. hydrometer
D. psychrometer - 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 - 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 - 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 - The current flow through electrolyte is due to the movement of____________?
A. ions
B. holes
C. electrons
D. none of the above - Specific gravity of electrolyte in Edison cell is_____________?
A. 0.8
B. 0.95
C. 1.1
D. 1.21 - The common impurity in the electrolyte of lead-acid battery is_____________?
A. chlorine
B. dust particles
C. lead crystals
D. iron - In alkaline cell the electrolyte is_____________?
A. dilute sulphuric acid
B. concentrated sulphuric acid
C. NaOH
D. KOH