Related MCQ Question

• Sulphation in a lead-acid battery occurs due to
• The capacity of lead-acid cell does not depend on its
• During charging the specific gravity of the electrolyte of a lead-acid battery 
• When a lead-acid battery is in fully charged condition, the colour of its positive plate is
• The active materials of nickel-iron battery are
• The value of specific  Gravity of acid when a lead-acid battery is fully charged is
• The ratio of ampere-hour efficiency to watt-hour efficiency of a lead-acid cell is
• The best indication about the state of charge on a lead-acid battery is given by
• The storage battery generally used in electric power station is
• The output voltage of a charger is
• Cells are connected in series in order to 
• During the charging and discharging of a nickel-iron cell
• The efficiency of a nickel-iron cell is less as compared to a lead-acid cell due to its
• Trickle charging of a storage battery helps to
• The ampere-hour efficiency of a lead-acid cell is normally between
• The watt-hour efficiency of a lead-acid cell varies between 
• The EMF of an Edison cell, when fully charged is nearly
• The average charging voltage for alkali cell is about
• On the average, the ampere-hour efficiency of an Edison cell is about
• The active material of the positive plates of silver-zinc batteries is
• The internal resistance of a lead-acid cell is  ___________  that of Edison cell
• Negative plate of an Edison cell is made of
• The open circuit voltage of any storage cell depends on
• The specific gravity of electrolyte is measured by
• The effect of sulphation is that the internal resistance 
• The substances which combine together to store electrical energy during the charge are called __________ materials
• The lead-acid cell should never be discharged beyond
• Battery charging equipment is generally installed
• Internal resistance of a cell is reduced by
• Local action in a battery is indicated by
• Internal resistance of a cell is due to
• The current flow through electrolyte is due to the movement of 
• Dry cell is modification of
• to prevent local action in battery, only ............is used in electrolytes
• The body of Edison cell is made of
• Specific gravity of electrolyte in Edison is
• All the electrical connections between the battery and vehicle should be by
• Charging a sulphated battery at high rate results in
• Which of the following primary cells has the highest voltage?
• While preparing electrolyte for lead-acid battery
• Under normal charging rate, the charging current should be 
• Silver coating is provided for
• Highest purity copper is obtained by
• Current efficiency in electroplating is usually
• The plates of lead-acid storage battery are most likely to be short-circuited if
• The electrode for a battery must be
• A cell which is used as a voltage reference source for instrument calibration is
• Higher current density is usually recommended for
• A fuel cell convert ___________ energy into electrical energy
• The output voltage of a silver oxide cell is
• The EMF of a storage battery depends upon
• One ampere-hour charge is equivalent to
• The energy in a lead-acid battery is stored in the form of