If a battery is wrongly connected on charge following will happen__________?

A. Current delivered by the battery will be high
B. Current drawing will be nil
C. Current drawing will be very small
D. Current drawing will be very high

Life of the batteries is in the following ascending order____________?

A. Lead-acid cell, edison cell, nickel cadmium cell
B. Lead-acid cell, nickel-cadmium cell, edison cell
C. Edison cell, nickel-cadmium cell, lead-acid cell
D. Nickel-cadmium cell, edison cell, lead-acid cell

Shelf life of a small dry cell is___________?

A. Equal to that of large dry cell
B. Less than that of large dry cell
C. More than that of large dry cell
D. None 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

______ of electrolyte indicates the state of charge of the battery

A. Colour
B. Mass
C. Viscosity
D. Specific gravity

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

48 ampere-hour capacity would deliver a current of___________?

A. 48 amperes for 1 hour
B. 24 amperes for 2 hours
C. 8 amperes for 6 hours
D. 6 amperes for 8 hours

Batteries are charged by_____________?

A. Rectifiers
B. Engine generator sets
C. Motor generator sets
D. Any one of the above methods

In constant-current charging method, the supply voltage from discharged to fully charged condition____________?

A. Decreases
B. Increases
C. Remains constant
D. None of the 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