A. manometer
B. a mechanical gauge
C. hydrometer
D. psychrometer
Related Mcqs:
- 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
A. 6 parts of acid to 4 parts of water
B. 4 parts of acid to 4 parts of water
C. 4 parts of acid to 6 parts of water
D. 4 parts of acid to 8 parts of water - During charging the specific gravity of the electrolyte of a lead-acid battery
A. increases
B. decreases
C. remains the same
D. becomes zero - 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 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 - Specific gravity of electrolyte in Edison cell is_____________?
A. 0.8
B. 0.95
C. 1.1
D. 1.21 - Which of the following has lower specific gravity V__________?
A. Dilute H2S04
B. Concentrated H2SO4
C. Water
D. Any of the above - Level of electrolyte in a cell should be ________ the level of plates
A. below
B. equal to
C. above
D. none of the above - Persons preparing electrolyte should wear___________?
A. goggles or other face shield
B. rubber
C. rubber boots and gloves
D. all above safety devices - 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