Which among the following constitutes the major load for an automobile battery ? Self starter Spark plugs Brake light Parking lights TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is incorrect? A storage cell has a reversible chemical reaction A carbon-zinc cell has unlimited shelf life A primary cell has an irreversible chemical reaction A lead-acid cell can be recharged TRUE ANSWER : ? YOUR ANSWER : ?
Extent of corrosion in the underground metal work depends upon type of metals type of soil chemicals all of these amount of moisture TRUE ANSWER : ? YOUR ANSWER : ?
The open circuit voltage of any storage cell depends wholly upon its temperature on the strength of its electrolyte its chemical constituents all of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Internal resistance of a cell is due to electrode resistance surface contact resistance between electrode and electrolyte all of the listed here resistance of electrolyte TRUE ANSWER : ? YOUR ANSWER : ?
It is noticed that during discharging the following does not happen specific gravity of H2SO4 decreases voltage of the cell decreases both anode and cathode become PbS04 the cell absorbs energy TRUE ANSWER : ? YOUR ANSWER : ?
Batteries are charged by engine generator sets motor generator sets rectifiers any one of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
Mercury cell has which of the following characteristics? All of these Flat discharge current-voltage curve Comparatively longer shelf life under adverse conditions of high temperature and humidity High power to weight ratio TRUE ANSWER : ? YOUR ANSWER : ?
In ______ system the charging current is intermittently controlled at either a maximum or minimum value floating charge trickle charge an equalizing charge two rate charge control TRUE ANSWER : ? YOUR ANSWER : ?
Petroleum jelly is applied to the electrical connections to the lead-acid battery reduce path resistance prevent short-circuiting prevent corrosion prevent local heating TRUE ANSWER : ? YOUR ANSWER : ?